Nikon SB-102 User's Manual
Contents
1. Bracket 2 As indicated in the diagram there are two positions for the bracket screw 8 one for Nikonos V and Nikonos IV A and another for the Nikonos III To reposition the bracket screw unscrew it then screw it back into the hole or the threaded end of the bracket slot 47 Once screwed into the bracket slot the bracket screw can be moved to any position The larger hole in the center allows the sync cord to be connected through the bracket to the Nikonos III The small hole that goes completely through the bracket is the sensor holder socket 5 When a plastic frame finder or optical underwater viewfinder is mounted on the camera s accessory shoe the optional sensor holder is used to attach the Sensor Unit SU 101 to the speedlight bracket To attach align the sensor holder positioning pin 4 on the top of the bracket with the hole Arm To attach the arm to the joint 42 insert the arm position ing screw 40 into the slot in the joint from either side Align the arm positioning screw with the arm positioning index 88 on the joint by turning the arm 90 After align ing the arm positioning screw with the arm positioning index turn the joint lever 89 clockwise as far as it will go to lock the arm into position When the arm is attached in this manner the speedlight s axis will always inter sect with the lens s optical axis even if the flash head is moved up or down on the arm Normally the joint is locked at the top of2. 3 When the ASA ISO film speed setting dial of the Nikonos V is set to beyond ASA ISO 400 Camera ready light Meter ON Meter OFF SB 102 ready light A 1 1000 to 1 30 Lights Lights or blinks Does not light A 1 1000 to 1 30 MFULL M1 4 M1 16 AUTO Lights Lights Does not light M90 1 90 B Ws BW 7 Meo 1790 amp MFULL M14 M1716 AUTO EMRE STRONG SUELO MMR Bins Does not igm A MFULL M1A M1 16 AUTO Lights Lights Does not light Nikonos IV A COL AO Ae AA ER VA ia M 780 5 MFULL MY M1716 AUTO TEN mS Nikonos III 1 500 to 1 30 1 When the speedlight has recycled 2 When the ASA ISO film speed dial is set to beyond ASA ISO 400 3 In the auto mode the optional Sensor Unit SU 101 is required MFULL M1 4 M1 16 AUTO Lights Lo 4 Speeds of 1 500 second 1 250 second and 1 125 second cannot be used because the sync shutter speed is 1 90 second or slower EXT Proper flash synchronization is not possible because the shutter speed shooting mode is improperly set When the camera is set at M90 or M the camera s exposure meter will not operate even if the shutter release button is depressed Test Firing To determine whether or not the flash illumination is sufficient for a correct exposure especially when using the non TTL automatic mode with distant subjects or when using bounce flash photography test fire the flash unit To test fire the SB 102 turn its power
3. A in the case of the Nikonos Ill set the shutter speed dial to 1 60sec When using either the Nikonos V or Nikonos IV A the proper synchroni zation speed 1 90sec will be auto matically set when the SB 102 s power switch is turned on A 2 Select an f stop with the exposure calculation dial Select an aperture from the range of apertures that can be used at the existing flash to subject distance tance For example when the shooting situation mark est underwater photography is set at ASA ISO 100 and the flash to subject distance is 1m 3 3ft the useable aperture range is from f 2 8 to f 16 13 BASIC OPERATIONS continued NIFC sS v A 3 Set the f stop on the lens When you have determined which f stop to use set this f stop on the lens In the photograph f 8 is set B 2 Remove the sensor socket cover 0 Turn the sensor socket cover counterclockwise then pull it up 14 Non TTL faic 28B Operation B 1 Attach the Sensor Unit SU 101 to the camera s acces sory shoe Turn the sensor unit s locking wheel counterclockwise as far as it will go slip the unit s mounting foot into the camera s accessory shoe and turn the locking wheel clockwise to tighten it B 3 Connect the sensor cord to the SB 102 Remove the dust proof plastic cap from the sensor cord s speedlight plug black Insert the speedlight plug into the sensor socket after aligning the sensor socket index w
4. 33 Extension AM ica ra ble notae Te NO ROV IQ 33 Double Flash Bracket e 33 DOUDS SV CONO ase casis tort Sooners 34 aoc fe tour PET ce e 34 Speedlight Case SS 101 Provided 34 ONIS OIC cete Cue ver Jo ws ominis 34 SPECIFICATIONS S c ose uo Hare ton i e Tre rare 35 Speedlight Case SS 101 FOREWORD The Nikonos Speedlight SB 102 an amphibious high performance electronic flash unit with a silicon con trolled rectifier and series circuitry is designed for use with the Nikonos V Nikonos IV A and Nikonos Ill The SB 102 can be submerged to a depth of 50 meters 160 feet and withstand pressure of up to 6kg cm 85 Ib in enabling it to be used in environments where regular speedlights could not be taken In combination with the Nikonos V the SB 102 features automatic through the lens TTL flash exposure con trol This means the silicon photodiode SPD in the Nikonos V s shutter box reads the light passing through the lens and then automatically signals the speedlight to turn itself off when the exposure is correct Because TTL flash offers a wide range of useable apertures and shooting distances depth of field is easy to control and shooting as close as 0 3m 1 ft is possible With the optional Sensor Unit SU 101 the SB 102 can be used for non TTL automatic flash photography in combination with the Nikonos V Nikonos IV A and Nikonos III In this mode flash output is automatically controlled by
5. CONTENTS NOMENCLATURE Iin ALn dame i Wek VEO UI 2 FOREWORD T Go eode quasalonwdue es us vun t 4 PREPARATIONG eat do aia e us ien 4 6 Examining and lubricating the O rings 5 The O rings and their sealing method 6 TIPS ON SPEEDLIGHT CARE 7 BASIC OPERATIONS 8 16 CONTROLS IN DETAIL 17 30 Bieta keine e NOE Jui wor vos 17 USER DESIRES eat rus iz an 9L 17 SITO E AM Leve ow 18 Close Up Shooting in the Non TTL AuIomaic MOS 148 ARAtA 0 9 18 SynehroiSocketusi ivive lvi cedem ut 19 SOMSOROCOCKE aD P ON MONS 19 Sensor Unit SU 104 Optional 20 Synchronization Speed 20 Shooting Mode Selector 21 Exposure Caloulation Dil iaa 22 TTL Automatic Flash Control 22 23 Non TTL Automatic Flash Control 24 Manual Flash Control 25 26 Exposure Compensation 26 27 Realia sd dirt Shops d ines 27 28 HS STRIS EI GI Ce tats eos s fe dd ette o e ee a s d 28 Gord Fastening Hanger eee 29 Wide Flash Adapter SW 102 29 deberia aua sre ite ne teh t 29 30 Multiple Flash Photography 30 Daylight Fill In Flash Photography 30 TIPS ON SPEEDLIGHT PHOTOGRAPHY 31 OPTIMUM BATTERY PERFORMANCE 32 ASESORES oran aa QUAM qus t qo 33 34 sensori SUOT AAA A 33 Sensor Holder for SB 102
6. In flash photography which apertures can be used is closely related to the flash to subject distance To deter mine the useable apertures align the shooting situation mark on the exposure calculation dial with the ASA ISO film speed in use find the flash to subject distance on the distance scale then follow the corresponding dis tance line up to the aperture scale The dots on the ASA ISO film speed scale indicate the following intermediate settings ASAIISO film speed scale 100 200 400 800 1600 9 amp 4 60 0o 0o g s 32 40 6480 1254 250 500 100 160 320 640 1250 The exposure calculation dial can be removed to clean sand or other foreign matter from behind it CONTROLS IN DETAIL continued Removing the Exposure Calculation Dial Remove the exposure calculation dial screw 23 by turn ing it counterclockwise with a coin then pull up on the dial To re attach the dial correctly align its center notches with the mounting notches on the back of the flash head and push down on the dial Insert the exposure calculation dial screw and turn it clockwise as far as it will go TTL Automatic Flash Control In TTL automatic flash photography the useable aper tures are from f 2 8 to f 22 when using ASA ISO 100 film although the actual range for a specific shooting situation depends upon the flash to subject distance The actual ranges for specific situations can be easily determined with the
7. almost exhausted increasing the recycling time When this occurs stop using them immediately and recharge them or they may be damaged When using alkaline manganese batteries if recycling takes 30 seconds or longer replace the batteries with a fresh set e The ready light goes out when the flash unit is turned off e When the exposure meters of the Nikonos V and Nikonos IV A are not activated the cameras viewfinder ready lights will not light even if the speedlight is turned on except when the shutter speed mode selector dial or shutter speed dial is set at M90 or M Always confirm that the viewfinder ready light is lighted before shooting When the shutter speed mode selector dial or shutter speed dial of the Nikonos V or Nikonos IV A is set at M90 or M the viewfinder ready light lights when the flash unit s ready light lights Ready Light 5 After its power switch is turned on the ready light on the SB 102 will light to indicate that the SB 102 has re cycled and is ready to fire If you are using either a Nikonos V or Nikonos IV A camera its viewfinder ready light will also light at the same time to let you know the flash unit is ready for the next shot In addition the viewfinder ready lights of the Nikonos V and Nikonos IV A blink to warn of improper settings If this happens check that the camera and flash unit are securely connected and the shutter speed shooting mode and ASA ISO film speed on the camera are cor
8. and M1 16 modes TTL ASA ISO film speed coupling range ASA ISO 25 to 400 useable aperture range f 2 8 to f 22 at ASA ISO 100 coupling distance range 0 3m 1ft to 11m 36 1ft at ASA ISO 100 on land 0 3m 1ft to 5 6m 18 4ft at ASA ISO 100 underwater Non TTL Useable apertures f 4 and f 8 at ASA ISO 100 coupling distance range 0 6m 2ft to 8m 26 2ft at ASA ISO 100 and f 4 on land 0 6m 2ft to 4m 13 1 ft at ASA ISO 100 and f 4 under water 0 6m 2ft to 4m 13 1ft at ASA ISO 100 and f 8 on land 0 6m 2ft to 2m 6 6ft at ASA ISO 100 and f 8 underwater 6kg cm 85 Ib in2 maximum useable to depths of 50m 160ft Indicates direction of flash head when T S switch is at T LIGHT or T amp S Wireless triggered by light from another flash unit when T S switch is at SLAVE or T amp S Flash head Approx 139mm W x 152 5mm H x212mm D Flash head without batteries Approx 1670g Note All performance data are for normal temperature operation 25 C 77 F l Subject to change without notice Supplied with ten items Main flash head including battery cartridge joint bracket with separate bracket screw cord fastening hanger Wide Flash Adapter SW 102 O ring set target light sync cord arm and speedlight case SS 101 35 No reproduction in any form of this manual in whole or in part except for brief quotation in critical articles or revi
9. D with the red index on the speed light plug When the speedlight plug is inserted turn its locking ring clockwise as far as it will go to Secure the plug 12 W A Check the O ring Before connect ing the speedlight plug to the Speedlight examine the plug s O ring for dust and scratches and be sure it is properly seated and lubricated To keep the sync cord out of the way while shooting attach it to the hook of the cord fastehing hanger 25 Confirm the position of the flash head Confirm that the arm positioning Screw is aligned with the arm posi tioning index the flash head posi tioning index is aligned with the normal position mark on the flash head positioning scale and the flash head is facing in the same direction as the camera s lens If the arm positioning screw is not properly aligned loosen the joint lever to reposition it If the flash head positioning index is not pro perly aligned loosen the joint knob to reposition it See page 18 for information about position ing the flash head for close up shooting within approximately 1 m 3 3ft 26 Set the ASA ISO film speed Turn the exposure calculation dial 24 until the correct shooting situa tion mark 80 is opposite the ASA ISO speed of the film in the camera Choose which mark to use accord ing to the shooting situation On land photography On land photography with the wide flash adapter Underwater photography Und
10. battery chamber cap 49 the sync cord s 3 camera and speedlight plugs and the synchro socket and sensor socket covers 9 0 They must be in perfect undamaged condition and properly lubricated prior to each use Read the follow ing instructions thoroughly to familiarize yourself with the maintenance of the O rings Because the outer surface of your Nikonos Speedlight SB 102 has been specially treated to make it water proof it must be protected from impact If it becomes damaged send it to a qualified technician for service before the next use Your Nikonos Speedlight SB 102 is watertight only when in perfectly serviced condition when all O ring seals are in perfect condition and when all components are properly assembled and closed Pay special attention to the instructions for installing the O rings because they are what make the Nikonos Speedlight SB 102 watertight For the O rings to per form properly they must be in perfect condition with no cuts tears or other imperfections and properly lubricated If they are not they will not perform properly and may allow water to enter your flash unit To prevent 4 the accidental use of a defective O ring always discard old rings The channels into which the O rings fit must be free of any foreign matter and in their original smoothly finished condition If they are not the O rings will not seat pro perly and may allow water to enter your flash unit If any channel in you
11. exposure calculation dial 22 Example 1 When the shooting situation mark 4 amp is opposite the 100 on the ASA ISO film speed scale and you want to shoot at f 5 6 you can take pictures of subjects located between 1m 3 3 ft and 5 6m 18 4 ft When the shooting situation mark Sx is opposite the 400 on the ASA ISO film speed scale and you want to use f 5 6 you can shoot subjects located between 0 7 m 2 3ft and 4m 13 1 ft Before you select an aperture to use always take the flash to subject distance into consideration To increase the flash to subject coupling distance as much as pos sible select a larger f stop a numerically smaller f number In the opposite case close up shooting select a smaller f stop a numerically larger f number Example 2 When shooting a subject underwater at 4m 13ft with the wide flash adapter while using ASA ISO 100 film you must use f 2 8 When several f stops are useable at a specific flash to subject distance make your selection by taking the desired depth of field and speedlight recycling time into consideration Example 3 When shooting a subject on land at 2m 6 6ft without the wide flash adapter while using ASA ISO 100 film and you want the largest depth of field possible select f 16 If you want to minimize recycling time as much as possible select f 2 8 In the TTL automatic mode the SB 102 s useable ASA ISO film speed range is from ASA ISO 25 to 400 its useable a
12. just under the water s surface each O ring seals its groove by its own elastic force see Chart A When the pres sure increases at greater depths the O ring s shape is altered and its sealing ability is increased to withstand the greater pressure The pressure changes the ring from its original O shape when looking at a cross sectional view to a D shape see Chart B O ring lubricant H PONOS O ring Sresss 3i A 30 Q Pressure Chart A Chart B O Slight compression O rings TIPS ON SPEEDLIGHT CARE w 2 3 4 After using the speedlight and camera under water rinse them both as soon as possible in fresh running water with the sync and sensor cords attached When the speedlight camera assembly gets dirty rinse it thoroughly in fresh water Immediately after using it in salt water rinse it thoroughly in fresh water to remove any residue Otherwise corrosion may occur in minute places like small holes or the junctions of parts To prevent this soak the speedlight camera assembly overnight in a basin of fresh water then rinse it vigorously in running water while paying special attention to the joint 42 arm 43 bracket screw 48 buckles 6 and similar parts where it is very difficult to remove mud or salt Finally dry the speedlight camera assembly with asoft cloth never by heating before removing the sync and sensor cords Be sure to wipe away any drops of water t
13. shoe the sensor holder enables the Sensor Unit SU 101 to be mounted on the bracket 33 ACCESSORIES continued Double Sync Cord When using the Nikonos V this cord enables two SB 102 Speedlights to be used in the TTL automatic flash mode e When using two SB 102 Speedlights in the TTL automatic flash mode the correct shooting situation mark on the exposure calcula tion dial must be realigned with a 1 higher speed on the ASA ISO film speed scale Forexample when using ASA ISO 100 film align the correct shooting situation mark with ASA ISO 200 When you have finished using the two speedlights realign the scale and mark e f you decide to use only one speedlight in the TTL automatic flash mode realign the ASA ISO film speed scale at its original setting and turn off the speedlight which is attached to the gray sync cord Should you turn off the speedlight which is attached to the black cord TTL automatic flash control is automatically canceled and the unit will fire at its maximum output regardless of the setting eNon TTL automatic flash exposure is not possible when using two speedlights connected by the optional Double Sync Cord y LI SML loo Conc HHA Protectors Special protectors are available to prevent damage to the SB 102 from inadvertent bumps 34 Speedlight Case SS 101 Provided Three cushioned compartments inside this stylish tote bag house the camera and all parts of the Nikonos Spee
14. the SU 101 This speedlight has the same area of coverage as a 28mm lens When the Wide Flash Adapter SW 102 provided is used the area of coverage increases to that of a 15mm lens The SB 102 also features manual control with three power settings FULL M1 4 and M1 16 slave PREPARATION firing capability for wireless multiple flash photography and a target light for close up shooting The target light positioned in the center of the flash head shoots a beam of light at the subject to help you aim the flash head at the subject In addition to the equipment men tioned a variety of optional accessories is available to increase the versatility of the SB 102 Even though this speedlight is extremely easy to oper ate you should still familiarize yourself with the pre paratory steps and basic operations explained in the first two sections of this manual For more detailed information refer to CONTROLS IN DETAIL and TIPS ON FLASH PHOTOGRAPHY A few minutes wisely invested now will pay off later in years of reward ing photographic experiences STOP READ THIS NOTICE BEFORE USING YOUR SB 102 THE O RING SEALS MUST BE EXAMINED AND LUBRICATED BEFORE USE TO AVOID DAMAGING THE SPEEDLIGHT This Nikonos Speedlight SB 102 uses O rings to seal and waterproof the junctions between parts Your Nikonos Speedlight SB 102 should not be considered waterproof until you have examined the user service able O rings one each for the
15. when not in use Any of these may damage the flash unit Also do not leave batteries installed when the flash unit is not being used it may cause the batteries to explode Do not drop or damage the battery cartridge e Use only one brand or type of battery at any given time When replacing batteries re place all six at the same time Warning Batteries may be hot when you remove them handle carefully Use of manganese batteries is not recom mended eCheck proper battery installation before shooting Turn flash unit on and make sure the SB 102 s ready light lights up within 30 seconds ePlease see OPTIMUM BATTERY PER FORMANCE page 32 gt 5 Replace the C type battery cartridge in the battery chamber Be sure the speedlight power switch 65 is in the OFF position then align the groove on the battery car tridge with the notch on the inside of the compartment and slide the battery cartridge into the chamber Ilo 6 Replace the battery chamber cap While holding the buckles away from the battery chamber cap align the battery chamber cap index with the index on the speed light case and replace the battery chamber cap Check the O ring Before replacing the battery chamber cap examine its O ring for dust and scratches and be sure it is properly seated and lubricated OMM 7 Lock the buckles Push the battery chamber cap against the speedlight case so it is fully se
16. Mounting the SU 101 on the bracket Insert the light is firing and tells the speedlight to turn itself off Sensor holder positioning pin 46 on the bracket into the when the light output is sufficient for correct exposure Sensor holder then screw the sensor holder s screw The selector dial on the back of the SU 101 allows one into the sensor holder socket 5 on the bracket To of two aperture settings to be selected attach the SU 101 to the sensor holder follow the same Normally the SU 101 is attached to the camera s Procedures as when attaching the SU 101 to the accessory shoe However when a plastic frame finder camera s accessory shoe y or optical underwater viewfinder is mounted on the Operating the SU 101 The two position selector dial camera s accessory shoe the optional sensor holder is On the back of the sensor unit must be set according to used to attach the Sensor Unit SU 101 to the speedlight the instructions in Step B 6 page 15 To obtain the bracket correct exposure position the sensor as close to the lens as possible e For more information about non T TL automatic operation see page 24 Synchronization Speed Theshutter speedat which the SB 102 synchronizes with a camera depends upon the camera being used The table shows the flash sync speeds of various cameras Both the Nikonos V and Nikonos IV A cameras auto matically switch to the proper synchronization speed when the SB 102 s power switch is turned on when the sw
17. Nikon NIKONOS Speediight INSTRUCTION MANUAL NOMENCLATURE Synchro socket index Joint collar 2 2 Sensor socket index Flash head positioning index 3 8 Target light lamp Joint plate 64 Slave sensor 0 3m position mark Firing tube 0 6m position mark 66 Wide Flash Adapter 6 sw 102 Normal position mark 82 D Sensor socket Arm positioning index 8 Synchro socket Joint lever 9 8 Synchro socket cover Arm positioning screw Sensor socket cover 9 eee Joint knob 1 Spare target light lamp Joint 2 Speedlight plug and locking ring Arm 3 Sync cord Camera plug and locking ring Grip Jj D 5 Sensor holder socket O rings and lubricant Sensor holder positioning pin Bracket slot Bracket screw Tripod socket 3 20 Cord fastening hanger Bracket Arm knob Q2 Buckle lock release latch Battery chamber cap index Target light holder Q3 Exposure calculation dial screw Battery chamber cap 49 24 Exposure calculation dial C type battery cartridge 60 Buckle 6 Exposure calculation dial 8 Distance scale 26 Aperture scale Shooting mode selector 62 Distance lines T S switch 69 28 Non TTL auto shooting aperture scale Ready light 64 Q9 Non TTL auto shooting aperture index Power switch 6 Shooting situation marks Wi 8 ASA ISO film speed scale
18. SA ISO 100 film reset the ASA ISO film speed scale to ASA ISO 25 then read the modified shooting distance from the dial Positive exposure compensation cannot be made at some film speeds and negative exposure compensation cannot be made at other film speeds In these cases make the necessaty compensation in the non TTL automatic mode see page 24 or use one of the manual flash modes When you finish making the exposure compensation be sure to reset the ASA ISO film speed dial on the Nikonos V and the ASA ISO film speed scale on the speedlight Non TTL Automatic Flash Exposure Compensation When shooting in the non TTL automatic flash exposure mode exposure compensation can be made by stop ping down or opening up the lens To compensate for a dark subject use a 1 2 to 2 step smaller aperture a numerically larger f number To compensate for a light subject use a 1 2 to 2 step larger aperture a numerically smaller f number e The ready light will light up when the SB 102 has recycled to 80 of its full capacity Therefore if you want to shoot a subject at either the minimum or maximum camera to subject coupling distance in the non TTL automatic mode or one of the manual modes it is best to wait until a few seconds after the ready light has lighted As the voltage of the batteries decreases with use the GN of the flash unit decreases slightly eThe voltage of NiCd batteries decreases rapidly when their power is
19. ated hook the silver buckle catches onto the pins on the speed light case and pull the buckles in ward and upward until they lock into position When locking the buckles be sure the silver buckle catches are hooked onto the pins on the speedlight case 8 Lock the buckle lock release latches Push the buckle lock release latches over the edges of the buckles to lock them 9 Loosen the joint knob 4i To loosen the joint knob turn it counterclockwise while holding the joint plate 40 Properly position the joint plate Turn the joint knob so the flat sides of the joint plate are parallel with the flat edges of the joint Insert the joint plate into the joint collar 6 41 While holding the base of the joint knob against the joint slide the joint plate into the joint collar until it is fully seated e When inserting the joint plate into the joint collar be sure the flat edges of the joint plate remain parallel to the flat edges of the joint 44 Insert the arm 4 into the joint Insert the arm positioning screw 40 into the slot in the joint The arm can be inserted from either side of the joint The normal position is shown in the photo 10 Lock the joint 12 ing index 83 with the normal posi tion mark on the flash head posi tioning scale then turn the joint knob clockwise until the joint is locked in position See page 18 for information a
20. bout removing the joint 45 Position the arm Align the arm positioning screw with the arm positioning index 6 amp 9 on the joint by turning the arm 90 Align the flash head position Loosen the joint lever 39 43 Turn the joint lever counterclock wise as far as it will go to loosen it 16 Lock the arm After aligning the arm posi tioning screw with the arm position ing index turn the joint lever clock wise as far as it will go to lock the arm into position Normally the joint is locked at the top of the arm e Before diving be sure the joint knob and joint lever are locked tightly 47 Loosen the arm knob 6 Turn the arm knob counterclock wise as far as it will go to loosen it the two bracket positioning pins on the bottom of the grip amp will be visible 49 Attach the cord fastening hanger to the bracket As shown in the photo slide the cord fastening hanger onto the bracket 48 Attach the bracket 2 to the arm Slide the open end of the bracket between the arm knob and the grip seat the two bracket positioning pins in the two indentations on the bracket and turn the arm knob clockwise as far as it will go to lock the bracket into position 20 Remove the camera s flash sync socket cover Turn the camera s sync socket cover counterclockwise with a coin to remove it The correct arm bracket position is with the three washers on the u
21. d index on the speedlight plug When the speedlight plug is inserted turn its locking ring clockwise as far as it will go to secure the plug Never submerge the speedlight in water with the synchro socket cover removed or get the sync cord plugs wet Always make sure either the synchro socket cover or the sync cord plugs are securely attached before entering the water After shooting underwater wipe off any water droplets with a soft cloth before removing the plug to prevent water from entering the socket Whenever the sync Sensor Socket To connect the sensor cord to the speedlight for non TTL automatic flash control remove the sensor socket cover 0 by turning it counterclockwise and pulling it up Remove the dust proof plastic cap from the sensor cord s speedlight plug black Insert the speedlight plug into the sensor socket after aligning the sensor socket index with the red index on the speedlight plug When the speedlight plug is inserted turn its lock ing ring clockwise as far as it will go to secure the plug Never submerge the speedlight in water with the sensor socket cover removed or get the sensor cord plugs wet Always make sure either the sensor socket cover or the sensor cord plugs are securely attached before entering the water After shooting underwater wipe off any water droplets with a soft cloth before removing the plug to prevent water from entering the socket Whenever the sensor cord is not bei
22. dlight Unit SB 102 O rings and lubricant Additional O rings and lubricant are available to allow you to maintain the flash unit in perfect condition O ring Grease SPECIFICATIONS Flash Type Useable Exposure Modes Guide Numbers Angle of Coverage Batteries Number of Flashes Recycling Time Useable Ranges Resistant Pressure Target Light Slave Flash Function Dimensions Weight High performance silicon controlled rectifier and series circuitry TTL auto exposure with Nikonos V camera Non TTL auto exposure with optional Sensor Unit SU 101 and Manual MFULL M1 4 and M1 16 settings With ASA ISO 100 film on land underwater full output 32 16 1 4 output 16 8 1 16 output 8 4 79 on land covers picture angle of 28mm lens on land and under water with Wide Flash Adapter SW 102 picture angle increases to that of a 15mm lens Six C type NiCd batteries or six C type alkaline manganese batteries high performance manganese batteries not recommended NiCd 70 flashes minimum approx 5sec depending upon battery brand and amount of recharging Alkaline manganese 120 flashes minimum approx 14sec Data for C type NiCd batteries are applicable only when bat teries with a 1200mAh capacity have been recharged by a 120mA current for 15 hours at room temperature More flashes and shorter recycling times in the TTL non TTL M1 4
23. e farther the subject the more light emitted by the flash unit the closer the subject the less light given off In addition the TTL mode makes daylight fill in flash and close up photography easier than ever e The useable film speed range for TTL operation is from ASA ISO 25 to 400 For information about the apertures that can be used at various film speeds see page 23 e TTL operation is not possible with the Nikonos IV A or III or when the Nikonos V s shutter speed mode selector dial is set at M90 1 90sec or B Bulb Even if the Nikonos V s shutter speed mode selector dial is set from 1 30 to 1 1000sec TTL operation is not possible when the sync cord is not securely connected the ASA ISO film speed is set beyond ASA ISO 400 or the batteries are completely exhausted MFULL M1 4 and M1 16 Manual Flash Modes Manual control is very convenient when the correct exposure cannot be obtained through non TTL auto matic operation The SB 102 has three manual control modes for selection according to the flash to subject distance and the shooting situation The guide numbers are GN 32 16 at the MFULL position GN 16 8 at M1 4 and GN 8 4 at M1 16 when using ASA ISO 100 film The guide numbers in parentheses are for underwater photography To determine the correct aperture use the exposure calculation dial or perform the calculations yourself see pages 25 to 26 21 Exposure Calculation Dial
24. erwater photography with the wide flash adapter ASAIISO film speed scale 25 50 s a t9 In the photograph the shooting situation mark 8 underwater photography index is aligned with ASA ISO 100 eFor TTL operation with the Nikonos V camera the useable film speed range is from ASA ISO 25 to 400 e The ASA ISO film speed settings are only for determining shooting distances and useable apertures the exposure calculation dial is not electrically connected to the flash unit Intermediate ASA ISO film speed settings are indicated with dots 3240 6480 1254 250 160 320 eStep 28 is divided into two sections ac cording to the camera and the shooting mode in use The A steps are for TTL automatic opera tion with the Nikonos V camera the B steps are for non TTL automatic operation with the Nikonos V Nikonos IV A or III the optional Sensor Unit SU 101 is required for non TTL automatic operation For information about manual flash operation see pages 25 to 26 500 1000 y 640 1250 Y AU m1 16 ui 4e mFULLe TaS e Siave TN Tucure A OFF 28A Tl Automatic Operation A 1 Set the shooting mode selector switch 62 to TTL 7 Setthe shutter speed on the camera When using the Nikonos V set the shutter speed mode selector dial to A or any shutter speed setting from 1 1000 to 1 30sec when using the Nikonos IV A set the shutter speed dial to
25. ews may be made without written authoriza tion from the publishers NIPPON KOGAKU K K ay Printed in Japan 8 amp 067 A06
26. f 8 If larger depth of field is desired use f 8 if shorter recycling time is preferable select f 4 Remember to set the sensor unit s selector dial to the same color coded position as the aperture on the exposure calculation dial you have selected When the shooting situation mark index is aligned with an intermediate setting on the ASA ISO film speed scale for example ASA ISO 64 the non TTL auto shooting aperture index indicates two useable inter mediate apertures on the non TTL auto shooting aperture scale In this situation set one of the two intermediate apertures on the lens in non TTL automatic operation the minimum flash to subject coupling distance is always 0 6m 2ft The maximum flash to subject coupling distance is determined by your choice of shooting situation marks regardless of the ASA ISO speed of the film in use The coupling ranges that correspond to the four shooting situation marks are shown in the chart 24 Non TTL Auto Shooting Range SU 101 s Selector Dial Setting O pink circle O green square pink circle green square pink circle Unit m ft Shooting Situation Mark Coupling Distance 0 6 to 8 2 to 26 0 6 to 4 2 to 13 0 6 to 5 6 2 to 18 0 6 to 2 8 2 to 8 9 0 6 to 4 2 to 13 0 6 to 2 2 to 6 6 0 6 to 2 8 2 to 8 9 0 6 to 1 4 2 to 4 3 O O green square pink circle green s
27. hanger attach it to the speed light bracket as shown in the photo then attach the sync cord to the hook kh Attaching the SW 102 To attach the adapter align the adapter s mounting notches with the adapter mounting catches on the flash head push the adapter onto the flash head as shown in the photo then turn the adapter clockwise as far as it will go To remove Turn the adapter counterclockwise and pull it off Wide Flash Adapter SW 102 6 Designed specifically for use with this flash unit the Wide Flash Adapter SW 102 increases the SB 102 s angle of coverage from that of a 28mm lens on land and underwater to that of a 15mm lens underwater When the adapter is attached the SB 102 s GN is re duced to 22 on land and 11 underwater when using ASAIISO 100 film at MFULL e When the SW 102 js attached be sure to use the correct shooting situation marks P underwater or A for on land shooting when setting the exposure calculation dial To prevent overexposure during close up shooting within approximately 0 6m 2ft attach the adapter even if using a lens other than the UW Nikkor 15mm f 2 8N To prevent the loss of the SW 102 and to enable it to be attached quickly tie one end of a piece of string to its hole and tie the other end to the speedlight Target Light Function The SB 102 s target light enables the flash head to be accurately positioned for close up shooting regardless of whether or not
28. hat may have speeded in past the O ring When the unit is completely dry check the O rings If any of them is scratched or damaged immediately replace it with a new one by follow ing the procedures in PREPARATION All moving parts should be lubricated to prevent corrosion and facilitate attachment Apply lubri cant sparingly and be sure to wipe off any excess When the speedlight will not be used for some time store it in a cool dry clean place with the batteries and battery chamber cap removed Never submerge the speedlight in water with the sync or sensor socket cover removed or get the sync or sensor cord plugs wet Always make sure the sync cord and sensor cord plugs are securely attached before entering the water Never pick up or suspend the speedlight by the Sync or sensor cords If an O ring with dust scratches or damage is used water may enter the flash unit and damage the electrical circuitry Before and after diving check the O rings by following the procedures in PREPARATION Do not allow the speedlight to be exposed to direct sunlight for long periods And never place the speedlight in an area where the temperature is or may rise to 60 C 140 F such as in a closed car or car trunk during warm weather High voltage circuitry may cause electrical shock if water enters the flash unit Should water get inside the flash unit take it with the bat teries and battery chamber cap removed to an author
29. hen the optional Sensor Unit SU 101 is used this mode provides non TTL automatic flash operation In this mode the sensor unit reads the light reflected back from the subject while the speedlight is firing and tells the speedlight to turn itself off when the light output is sufficient for correct exposure The selector dial on the back of the SU 101 allows one of two aperture settings to be selected according to the flash to subject distance and the shooting situation eIn both the TTL and non TTL automatic flash modes the SB 102 emits amounts of light sufficient for subjects having average reflectivity Therefore correct exposure may not be obtainable if the subject s reflectivity is extremely low or high Shooting Mode Selector 62 The shooting mode selector 62 has five click stop set tings The shooting modes that can be used with specific cameras are listed on page 28 TTL position TTL through the lens Automatic Flash Mode This mode which can be used only in conjunction with the Nikonos V camera automatically controls the flash exposure Through The Lens TTL In this mode the Nikonos V s SPD silicon photodiode reads the light passing through the lens and automatically signals the SB 102 to turn itself off when the exposure is correct Because the range of useable apertures is larger from f 2 8 to f 22 when using ASA ISO 100 film than with non TTL flash you can shoot at a variety of flash to subject distances Th
30. hooting distance changes to 5m 16 4ft but you Still want to use MFULL you should use an inter mediate aperture setting between f 2 8 and f 4 To determine the correct f stop without using the expo sure calculation dial divide the GN from the chart on page 26 by the flash to subject distance in meters Example 2 When shooting a subject underwater at 4m 13 1ft without using the wide flash adapter while using ASA ISO 100 film and MFULL divide the GN 16 by the shooting distance 4m 13ft to get the correct aperture f 4 25 CONTROLS IN DETAIL continued Example 3 Shooting a subject on land at 8m 26 2 ft without using the wide flash adapter while using ASA ISO 100 film and MFULL The GN for MFULL at ASA ISO 100 on land is 32 from the chart below Divide the GN of 32 by the flash to subject distance of 8m to get the correct aperture f 4 Because water absorbs a great deal of light however you cannot use the same GN underwater as on land or your shot will be underexposed Instead multiply the on land GN by 1 2 to 1 3 for under water photography The underwater GNs shown in the following chart are 1 2 of the corresponding on land GNs Guide Numbers in the Manual Mode Underwater a MFULL M1 4 FuLL ia emn 64 a EICHETI 16 11 a5 82 16 32 22 The values in parentheses are when the Wide Flash Adaptor SW 102 is being used e The full amount of light is emitted
31. hted release the shutter to fire the master flash unit At the same time the slave unit will be triggered by the light fired from the master flash unit There is no limit to the number of SB 102 Speedlights that can be used as slave flash units at one time For multiple flash operation all flash units must be in the manual mode In the TTL and non TTL automatic shooting modes the correct exposure cannot be obtained because the light from each speedlight alters the exposure measurement Daylight Fill In Flash Photography When shooting in daylight a backlit subject may come out almost as a silhouette if the background is correctly exposed If on the other hand exposure compensation is made to correctly expose the subject the back ground may be washed out To fill in the shadows and balance the illumination levels of the subject and the background in daylight shooting use daylight fill in flash photography When using the Nikonos V its viewfinder LED indicator will blink to indicate the correct shutter speed under natural lighting To obtain the correct exposure with daylight fill in flash shooting turn on the flash unit and select progressively smaller f stops numerically larger f numbers until the camera s 1 125 second and 1 60 second LEDs begin blinking or until either the 1 60 second or the 1 30 second LED indicator blinks Make sure the subject is within the coupling distance range and if the viewfinder ready light is ligh
32. itch is turned off the automatic switchover function is canceled For convenience the SB 102 provides infor mation and warnings through these cameras viewfinder ready lights Aperture priority automatic exposure mode A operation on the Nikonos V and Nikonos IV A is canceled when the SB 102 is turned on To determine the correct aperture use the SB 102 s exposure calcula tion dial see page 22 Camera Syne Speed Camera Setting Operable Shutter Speed Viewfinder Information Remarks A 1 90 sec 1 1000 to 1 125 sec 1 90 sec h links TTLo bl Nikonos V RRE RS Correct shutter speed blinks perable 1 60 to 1 30 sec as set XCAM TI E Nikonos IV A 1 90 sec or slower TTL inoperable M 1 90 sec or B as set P Nikonos III 1 60 sec or slower as set When batteries in the Nikonos V or Nikonos IV A are exhausted reset the Nikonos V s shutter speed mode selector dial to M90 1 90 sec or B Bulb or the Nikonos IV A s shutter speed dial to M 1 90 sec or B Bulb TTL automatic flash control is not possible when the Nikonos V is in the M90 or B modes This indicates the correct shutter speed as determined by the subject s brightness and the aperture setting Although this is not a speedlight function it is helpful when using daylight fill in flash shooting 20 AUTO 1 16 e m1 4 0 uFULLe vi TTL po TaS Siave T ucnre 7 OFF AUTO Non TTL Automatic Flash Mode W
33. ith the red index on the speedlight plug When the speedlight plug is inserted turn its locking ring clock wise as far as it will go to secure the plug Check the O ring Before con necting the speedlight plug to the Speedlight examine the plug s O ring for dust and scratches and be sure it is properly seated and lubricated When a plastic frame finder or optical view finder is mounted on the camera s accessory shoe use the optional sensor holder to attach the SU 101 to the speedlight bracket T AUTO 1 16 e f SLave B 4 Set the orsa p fund selector switch to AUTO B 5 Select an f stop with the exposure calculation dial Select an aperture by using the non TTL auto shooting aperture scale 28 and non TTL auto shooting aperture index 99 For example when the shooting situation mark est underwater photography is set to ASA ISO 100 the non TTL auto shooting aperture index is opposite the f 8 on the green scale and the f 4 on the pink one These then are the useable f stops At f 8 the useable flash to subject distance range is from 0 6m 2ft to 2m 6 6 ft At f 4 the useable flash to subject distance B 7 Set the f stop on the lens In the photograph f 8 is set range is from 0 6m 2 ft to 4m 13 ft eThe closest shooting distance for non TTL automatic operation is 0 6m 2ft regardless of the film speed and whether or not the wide flash adapter is being used de 29 Tu
34. ized Nikon dealer or service center immediately If you experience difficulty of an electrical nature with the unit never attempt to disassemble or service it yourself Instead take the unit to an authorized Nikon dealer or service center As much as possible avoid removing the battery chamber cap near salty wind or splashing water because either may damage the unit s electrical circuitry If the battery chamber cap must be 10 lke 12 removed in one of these situations for instance to exchange batteries use a vinyl bag to prevent water or salt from entering the unit When not using the speedlight remove batteries to prevent damage from battery leakage Leaking batteries may also cause dangerous combustible gases to be trapped inside the battery chamber If the battery chamber becomes corroded by leakage take the unit to an authorized Nikon dealer or service center To remove dirt or fingerprints wipe with a soft dry or silicon treated cloth Never use thinner benzine or alcohol because they may damage plastic parts To clean the Wide Flash Adapter SW 102 wash it with soap and water Never use a brush If this speedlight is frequently used underwater especially in salt water or dirty water take it to an authorized Nikon dealer or service center for inspection on a regular basis If the speedlight is dropped or bumped against a hard surface take it to an authorized Nikon dealer or service center for in
35. lar to those of the actual situation similar water quality sur roundings subjects and so on If the conditions change the amount of the exposure compensation will need to be changed correspondingly Naturally data calculated on land will not be applicable to underwater photography 18 To detach tioning scale The normal position is used for shooting between 1m 3 3ft and infinity For close up shooting within approximately 1m 3 3ft loosen the joint knob point the flash head toward the subject then tighten the joint knob In addition to the normal position mark on the flash head positioning scale 0 6m 2ft and 0 3m 1ft position marks 66 35 are provided for use when shooting subjects at these distances However when the flash head is not in the normal position the joint must be attached to the top of the arm For information about using the target light to position the flash head see page 29 To detach the joint from the speedlight turn the joint knob counterclockwise and slide the joint plate out of the joint collar while pulling the joint knob Synchro Socket To connect the sync cord 49 to the speedlight remove the synchro socket cover 9 by turning it counterclock wise and pulling it up Remove the dust proof plastic cap from the sync cord s speedlight plug 42 black Insert the speedlight plug into the synchro socket after aligning the synchro socket index with the re
36. n is shown in the photo When using two SB 102 Speedlights and the optional Double Flash Bracket insert the arm that is next to the camera s film advance lever into the joint from the direction opposite that shown in the photo Flash head positioning scales are provided on both sides of the joint The joint lever allows the flash head to be turned on the arm s axis and moved up or down the arm as required The joint knob is used to adjust the angle of the flash head the angle of intersection between the speedlight s axis and the lens s optical axis The normal angle of the flash head is with the flash head positioning index 69 at the normal positioning mark 82 on the flash head posi Close Up Shooting in the Non TTL Automatic Mode When using the SB 102 in the non TTL automatic mode for close up shooting within approximately 1m 3 3ft to 0 3m 1ft the flash head should be pointed directly at the subject Exposure compensation will be necessary though to prevent the subject from being overexposed As a rule of thumb choose an aperture 1 2 to 1 step smaller numerically larger f numbers than indicated by the exposure calculation dial Of course the exact amount of exposure compensation depends upon the shooting situation so additional compensation may be required To determine the exact amount of exposure compensa tion required before going to the actual shooting loca tion test shoot in a location with conditions simi
37. nderside of the bracket the rubber side of the bracket facing up and flat side of the grip perpendicular to the bracket 24 Attach the camera body to the bracket With the camera against the rubber side of the bracket and the camera s tripod socket over the bracket screw screw the bracket screw into the camera s tripod socket until the camera and bracket are securely attached Nikonos V or Nikonos IV A Nikonos III 11 Connect the sync 22 cord to the camera Remove the dust proof plastic cap from the sync cord s camera plug silver Insert the camera plug in the camera s flash socket after aligning the white index on the flash sync socket with the red index on the camera plug When the camera plug is inserted turn its locking ring clockwise as far as it will go to secure the plug V Check the O ring Before con necting the camera plug to the camera examine the plug s O ring for dust and scratches and be sure it is properly seated and lubricated Do not apply excessive force to the sync cord s camera plug and avoid twisting the cord as much as possible 23 Remove the synchro socket cover Turn the synchro socket cover counterclockwise then pull it up 24 Connect the sync cord to the SB 102 Remove the dust proof plastic cap from the sync cord s speedlight plug black Insert the speedlight plug into the synchro socket after aligning the synchro socket index
38. ng used or the speedlight is being washed with the sync cord removed from the synchro socket attach the synchro socket cover to protect the socket To attach the socket cover press it against the socket to seat the O ring then turn the locking ring clockwise as far as it will go e To simplify identification both the tip of the sync cord s speedlight plug and the inside of the synchro socket are color coded yellow cord is not being used or the speedlight is being washed with the sensor cord removed from the sensor socket attach the sensor socket cover to protect the socket To attach the socket cover press it against the socket to seat the O ring then turn the locking ring clockwise as far as it will go To simplifty identification both the tip of the sensor cord s speedlight plug and the inside of the sensor socket are color coded black 19 Tj CONTROLS IN DETAIL continued QUERI q A Sensor Unit SU 404 Optional Mounting the SU 101 on the camera Turn the sensor In combination with the optional Sensor Unit SU 101 unit s locking wheel counterclockwise as far as it will the SB 102 provides non TTL automatic flash exposure 90 slip the unit s mounting foot into the camera s control With the SB 102 s shooting mode selector accessory shoe and turn the locking wheel clockwise switch at AUTO the Sensor Unit SU 101 reads the fo tighten it light reflected back from the subject while the speed
39. on For best results test fire the flash before actually shooting 23 Non TTL Automatic Flash Control When using the optional Sensor Unit SU 101 you can select one of two useable apertures The useable apertures vary according to the ASA ISO Speed of the film in use but they can be easily deter mined with the exposure calculation dial When the correct shooting situation mark is aligned with the correct speed on the ASA ISO film speed scale the non TTL auto shooting aperture index 2 above the shooting situation mark indicates the useable apertures color coded green and pink on the non TTL auto shooting aperture scale To obtain the correct exposure choose one of the two useable f stops and set the index on the sensor unit s selector dial to either the pink circle or the green square to correspond to the color of the aperture selected Before doing this remember to take the flash to subject distance into consideration Example When shooting underwater iitwhile using ASA ISO 100 film the useable f stops indicated on the non TTL auto shooting aperture scale are f 4 and f 8 Using the aper ture scale distance lines and distance scale the flash to subject coupling distance ranges are deter mined to be from 0 6m 2ft to 4m 13 1ft for f 4 and from 0 6m 2ft to 2m 6 6ft for f 8 Therefore when the subject is beyond 2m 6 6ft you must select f 4 When the subject is within 2m 6 6ft you can choose either f 4 and
40. period of disuse store the batteries in a cool dry place below 20 C 68 F Battery brands Do not mix brands of batteries or use batteries with different model numbers Also avoid mixing new and old batteries since proper performance will not be obtained and battery leakage may occur Disposal Do not dispose of batteries by burning Also for safety s sake never disassemble batteries 7 Polarity When installing batteries observe the voltage polarities carefully Reversal of the positive and negative terminals will result in leakage If leakage should occur clean the SB 102 carefully or take it to an authorized Nikon dealer or service center The SB 102 requires an excessive current so the life span of the batteries may be shorter than other speedlights NiCd batteries In comparison with regular batteries NiCd bat teries provide faster recycling and higher effi ciency at low temperatures However the re cycling time and the number of flashes per bat tery set depend upon the age of the batteries their charges and their capacities Do not continue to use NiCd batteries after they are exhausted Continued use may reduce their life span or cause leakage Before charging thoroughly read the battery and battery charger instructions eCharging should only be done for the designated number of hours on a battery charger recommended by the battery manu facturer Excessive charging may cause ba
41. perture range is from f 2 8 to f 22 and its flash to subject coupling distance range is from 0 3m 1ft to 22m 72 2ft However the relationship between the useable aperture range and the flash to subject coupling distance range varies according to the ASA ISO speed of the film in use the type of photo graphy on land or underwater and whether or not the wide flash adapter is being used TTL Auto Shooting Range ASAI ISO Film Speed On land Without adaptor 3 to 16 9 8 to 52 Unit m ft Underwater Underwater Without adaptor With adaptor 2 to 11 6 6 to 36 1 4 to 8 4 6 to 26 On land With adaptor 3 to 16 9 8 to 52 2 to 11 6 6 to 36 4 to 22 13 to 72 1 4 to 8 4 6 to 26 1 to 5 6 3 3 to 18 2 to 11 6 6 to 36 1 4 to 8 4 6 to 26 1 to 5 6 3 3 to 18 0 7 to 4 2 3 to 13 1 4 to 8 4 6 to 26 1 to 5 6 3 3 to 18 0 7 to 4 2 3 to 13 0 5 to 2 8 1 6 to 9 2 1 to 5 6 3 3 to 18 0 7 to 4 2 3 to 13 0 5 to 2 8 1 6 to 9 2 0 3 to 2 1 to 6 6 0 7 to 4 2 3 to 13 0 5 to 2 8 1 6 to 9 2 0 3 to 2 1 to 6 6 0 3 to 1 4 1 to 4 6 0 3 to 2 1 to 6 6 0 3 to 1 4 1 to 4 6 0 3 to 1 1 to 3 3 0 3 to 1 1 to 3 3 0 3 to 0 7 1 to 2 3 0 3 to 0 7 1 to 2 3 0 3 to 0 5 1 to 1 6 These figures should only be used as a guide because flash to subject coupling distance ranges are affected by the existing conditions water quality surroundings subjects and so
42. quare uFULLe TTL pe TaS e Stave e LE e OFF Manual Flash Control Manual flash operation allows you to control the light output of the SB 102 by setting the shooting mode selector to one of three positions MFULL M1 4 or M1 16 To determine which setting to use begin by aligning the correct shooting situation mark with the correct speed on the ASA ISO film speed scale Next locate the flash to subject distance on the distance scale and follow the corresponding distance line up as it crosses the aperture scale At each intersection between the distance line and an f stop line on the aperture scale one of four conditions will be present 1 the distance line will intersect the extreme right hand edge of the f stop line the MFULL mark 2 the distance line will intersect a semicircle the M1 4 mark 3 the dis tance line will intersect a triangle the M1 16 mark or 4 the distance line will intersect an unmarked portion of the f stop line The first three conditions indicate the manual flash mode that can be used at those particular f stops Before shooting set the shooting mode selector to correct position and set the correct aperture on the lens Example 1 When shooting a subject underwater at 1m 3 3ft with out using the wide flash adapter while using ASA ISO 100 film you can select one of three aperture mode settings f 16 at MFULL f 8 at M1 4 or f 4 at M1 16 If the s
43. r Nikonos Speedlight SB 102 becomes damaged send the unit to a qualified technician for service before the next use Your Nikonos Speedlight SB 102 contains a series of O rings Some are factory installed and cannot be serviced by you Once each year send your flash unit to a qualified technician so that these O rings can be serviced Do not attempt to disassemble the unit and service these O rings yourself All of the O rings in your Nikonos Speedlight SB 102 that can be serviced by you must be examined at the end of each dive day and if possible after each dive PREPARATION continued Examining and lubricating the O rings 1 To remove the O rings except those in the synchro Socket and sensor socket covers grasp the ring be tween your thumb and forefinger Pinch your fingers together as you slide them in the direction of the arrow to create slack in the O ring Then grasp the Slack portion with your other hand and pull the ring off see Fig 1 To remove the O rings in the synchro socket and sensor socket covers use the edge of a credit card or dive card or some thin blunt instrument Never use a knife or other sharp edged object Push up on the center of the cover with a fingertip or pointed object insert the card under the ring and pull it up to lift the O ring out see Fig 2 Do not scratch the O ring in the process Visually examine each O ring for imperfections If any O ring is damaged by tears cut
44. re flash units are the same distance from the subject and face approximately the same direction the combined GN of the units can be deter mined with the following equation Combined GN VGN1 GN2 x GN3 4 Where GN 1 2 3 are the guide numbers of the flash units e Because the slave flash unit is triggered when the light from the master flash unit reaches it directly or is reflected to it by the subject if the light from the master flash unit does not reach the slave flash unit or if there are strong light sources nearby the slave flash unit will not fire For best results test fire the entire multiple flash system by test firing the master flash unit before shooting During slave flash photography avoid other persons using speedlights or the bursts from their flash units will trigger your slave unit e The slave flash unit may be triggered by the light from a fluorescent lamp 30 m1 4 mFULLO TTL TaS e Slave 9a Tucure OFF Multiple Flash Photography The SB 102 has wireless slave flash capability enabling it to be triggered by the light fired from another flash unit For multiple flash operation as shown in the diagram use either an SB 102 or SB 101 as the master flash unit the speedlight connected to the camera Set the T S switch of the slave flash unit the speedlight not con nected to the camera to SLAVE or T amp S After confirming that the flash units ready lights are lig
45. rectly set cT ht cara al Warning Function Beyond Auto Shooting Range In the TTL and non TTL automatic modes the ready lights on the flash unit and in the camera s viewfinder blink for approximately 2 seconds if the flash unit has fired at its maximum output to indicate that the light output may not have been sufficient for correct expo sure If this happens recheck the flash to subject dis tance If it is beyond the coupling distance range use a larger aperture a numerically smaller f number if possible or move closer to the subject Because the voltage of batteries especially alkaline manganese batteries decrease rapidly with use the GN of the flash unit will decrease slightly The flash output of the SB 102 also varies according to the amount of ambient light and the subject s reflectivity 27 CONTROLS IN DETAIL continued Because of these three factors the ready light may blink to indicate that the light output was insufficient for correct exposure even if the subject was within the coupling distance range Camera and Speedlight Ready Lights Camera Shutter Speed Setting sec Nikonos V Shooting mode Other Warning Functions 1 When the shutter speed mode selector dial of the Nikonos V is set to M90 1 90sec or B Bulb or when the shooting mode selector switch of the flash unit is set to TTL when using the Nikonos IV A 2 When the sync cord is not securely connected to the Nikonos V
46. rn on the flash unit Turn power switch to ON eAs soon as you turn on the SB 102 when using the Nikonos V the shutter speed LED indicator inside the viewfinder will blink if the shutter speed mode selector dial is set at A or at any shutter speed from 1 1000 to 1 30sec As soon as you turn on the SB 102 when using the Nikonos IV A the viewfinder LED turns off e For normal shooting the T S switch should be in the OFF position For information about the T S switch see pages 29 to 30 B 6 Set the selector dial on the Sensor Unit SU 101 Set the index on the selector dial to either the pink circle O or the green square to correspond to the color of the aperture selected in Step B 5 For example if you selected f 4 in Step B 5 set the index to the pink circle If you chose f 8 set the index to the green square 30 Wait for the ready light to light As soon as the flash ready light lights the SB 102 is ready to fire Except for the Nikonos Ill if the camera you are using has a view finder ready light it will light when the SB 102 is completely recycled Note that with the Nikonos V and Nikonos IV A the exposure meter must be turned on to activate the viewfinder ready light 15 BASIC OPERATIONS continued With a set of fully recharged NiCd batteries the ready light will light in approximately 5 seconds with a fresh set of alkaline manganese batteries it will light in appro
47. s or other im perfections discard it immediately If any O ring has dirt sand hair or foreign matter on it rinse the O ring in fresh water to remove it When lubricating the various parts of your flash unit use only the special non water soluble silicone lubricant supplied with the speedlight Never use other lubricants such as Vaseline which are water soluble To lubricate the O rings smear a small amount of the special silicone lubricant on your fingertips and then gently run each O ring between your fingertips Never use a brush or similar object to apply the lubri cant small hairs may fall into the channel and allow water to enter the flash unit While lubricating each O ring examine it with your fingertips for imperfec tions If an O ring is properly lubricated it will glisten and will not have gobs of lubricant on it To ensure the longest possible flash unit life apply lubricant whenever necessary Lubrication protects the O rings from excessive wear it also makes it easier to attach or remove other parts Visually examine the channels into which the O rings fit to determine that each is clean and smooth If any channel is dirty clean it with a non lint bearing mate rial Coat each channel with a thin film of lubricant while being careful not to apply too much Reseat all of the O rings with your fingertips by insert ing one side of the ring into the channel and holding it in position
48. spection even if there is no surface damage After using the speedlight attach the dust proof plastic caps to the sync and sensor cord plugs to protect them from damage A A BASIC OPERATIONS 4 Unlock the buckle lock release latches and unlock the buckles 6 Pull up the buckle lock release latch and push the buckles outward and downward Note The small numbers in circles identify parts of the speedlight as listed in the NOMENCLATURE section b 3 Remove the C type battery cartridge 60 from the battery chamber 2 Remove the battery chamber cap 4 Push down on the buckles until the battery chamber cap is separated from the speedlight case 4 Install the batteries Install six 1 5 V C type alkaline manganese batteries or six 1 2V NiCd batteries Make sure the positive and negative and terminals are aligned as shown in the diagram on the car tridge Make sure you always push the first battery in each slot against the mobile contact To remove Remove the batteries installed in the side slots first Unlock the silver buckle catches from the pins on the speedlight case and pull up on the battery chamber cap e After using the speedlight underwater rinse it thoroughly in running water and wipe off any droplets with a soft cloth before re moving the battery chamber cap Do not Insert batteries improperly leave flash unit turned on
49. switch to TEST after the ready light on the flash unit lights If the ready light on the flash unit begins blinking after test firing switch to a larger aperture a numerically smaller f number if possible or move closer to the subject before shooting This setting also enables you to repeatedly fire the flash manually with the camera set at B open flash firing to create multiple exposure stroboscopic effects or paint the scene with light When doing this discon nect the speedlight from the camera or the flash unit will not fire even if its power switch is set at TEST Remove the sync cord and replace the camera s flash 28 Socket and the flash unit s sync socket cover before entering the water After test firing or open flash firing reset the speedlight s power switch to ON or OFF In the TTL mode the shutter must be released to test fire the flash unit but if there is no film in the camera the ready light will blink even if the light output was sufficient for correct exposure To avoid this place a strip of cut film provided it is not too old or a piece of gray paper under the camera s film pressure plate then release the shutter e Even if two speedlights are connected by the optional Double Sync Cora only the speedlight that is being test fired will fire Cord Fastening Hanger 9 This hanger secures the sync cord to the bracket to keep it out of the way while shooting To use the cord fastening
50. ted release the shutter Operable shutter speed 1 90sec Adjust the aperture until one or two of these LED indicators begins blinking 1 The flash to subject coupling distances and use able apertures indicated by the exposure calcula tion dial are for clear water shooting Therefore the correct exposure will be different if the water is muddy or has floating particles and some expo sure compensation must be made In shallower depths with natural lighting overex posure may occur when shooting in the automatic mode To prevent this use the smallest aperture the numerically largest f number possible or turn off the speedlight and use only natural lighting When shooting with the Nikonos V the correct shutter speed for the lighting conditions is dis played in the viewfinder For more information refer to the camera s instruction manual TIPS ON SPEEDLIGHT PHOTOGRAPHY 3 When the bracket and arm are attached to the Nikonos IV A certain optical finder models for older UW Nikkor 15mm f 2 8 lenses cannot be attached If this presents a problem for you authorized Nikon dealers and service centers can perform the necessary modifications 4 One of the benefits of using a speedlight under water is that it restores natural colors to subjects by removing the water s bluish cast Occasionally though you may want to include that bluishness in your photos Normally this is rather difficult to do because
51. the arm Before diving be sure the joint knob and joint lever are locked tightly To attach the arm to the bracket turn the arm knob 46 counterclockwise as far as it will go to loosen it the two bracket positioning pins on the bottom of the grip will be visible Slide the open end of the bracket between the arm knob and the grip seat the two bracket posi f Sensor Unit SU 101 attached to the bracket with the sensor holder in the sensor holder then screw the knob clockwise until it is tight The small hole on the underside of the bracket is the tripod socket 19 e When the bracket and arm are attached to the Nikonos IV A certain optical finder models for older UW Nikkor 15mm f 2 8 lenses cannot be attached If this presents a problem for you authorized Nikon dealers and service centers can perform the necessary modification tioning pins in the two indentations on the bracket and turn the arm knob clockwise as far as it will go to lock the bracket into position The correct arm bracket posi tion is with the two washers on the underside of the bracket the rubber side of the bracket facing up and the flat side of the grip perpendicular to the bracket 17 CONTROLS IN DETAIL continued Joint The joint connects the arm to the speedlight and allows the flash head to be positioned as required for various shooting situations The arm can be inserted from either side of the joint the normal positio
52. the flash unit renders the background either too light or too dark To capture the bluish ness you must eliminate the difference in light levels between the subject illuminated by the speedlight and the background illuminated by natural light a difficult task in the manual flash mode The easiest way to balance the light levels is to use the Nikonos V and the SB 102 in the TTL automatic mode and follow the procedures explained in Daylight Fill In Flash Photogra phy page 30 31 OPTIMUM BATTERY PERFORMANCE 32 1 New batteries Between manufacture and first use all batteries exhibit some drain Therefore care should be taken to purchase the newest and freshest ones possible To help you do this some manufacturers stamp the date of manufacture on the bottom of each battery Ask your camera dealer for assist ance in interpreting the codes Temperature Battery life ratings are based on operation at around 25 C 77 F At other temperatures bat tery life is shortened Spare batteries should there fore be kept available if operation in low temper atures is anticipated Continuous use Batteries are drained much more quickly by con tinuous use than by intermittent use Storage When not in use the batteries should be removed to prevent leakage which may damage the unit or even cause combustible gases to be trapped inside the battery chamber To minimize drain during the
53. the speedlight is mounted on the joint arm When the speedlight s power switch is turned on and the T S switch 6 is turned to T LIGHT or T amp S the target light will emit a beam of light to indicate the direction of the flash head To accurately position the flash head reset it by using the joint and arm until the beam of light falls on the center of the subject e Although you can shoot while the target light is on it is better to turn the T S switch to OFF or SLAVE before shooting to conserve battery power e f the target light is on when the flash is fired the target light will flicker for a few moments This does not indicate a malfunction e Recycling takes slightly longer when the target light is being used 29 IN DETAIL continued Replacing the Target Light If the target light burns out replace it with a new one provided by performing the following procedures 1 Remove the battery chamber cap see page 8 2 Remove the C type battery cartridge 3 Turn the target light holder 48 counterclockwise ap proximately 45 Pull up on the holder Remove the old lamp and replace it with a new one Replace the holder and turn it clockwise 45 Replace the C type battery cartridge Replace the battery chamber cap e The target light can also be replaced by an authorized Nikon dealer or Service center if you desire co 00 SB 102 or SB 101 master unit When two or mo
54. ttery deterioration eCharging should only be done in temperatures between 5 C 41 F and 35 C 95 F Never charge batteries while they are still hot from use e Never attempt to charge NiCd batteries that are incorrectly installed in the battery charger eThe charging capacity of NiCd batteries may be shortened after a long period of storage If this occurs discharge and recharge them several times elf working time is markedly reduced even after they have been correctly charged replace them with a fresh set Do not mix new and old NiCd batteries Do not use NiCd batteries which have been charged for differ ent lengths of time ACCESSORIES Numerous accessories are available to increase the SB 102 s versatility Sensor Unit SU 101 Double Flash Bracket This unit is required when using the SB 102 in the This accessory allows two flash units to be mounted non TTL automatic flash mode with the Nikonos V on the camera at one time thereby doubling the Nikonos IV A or Nikonos III amount of flash illumination available This bracket is especially useful during close up shooting because it enables the subject to be evenly illuminated from the left and right hand sides a Sensor Holder for SB 102 Extension Arm When a plastic frame finder or an optical underwater This accessory increases the length of the arm when viewfinder is mounted on the camera s accessory a special lighting effect is desired or needed
55. when the shooting mode selector is at MFULL and even if not synchronized at AUTO Exposure Compensation When the Nikonos V is used with the SB 102 in the TTL or non TTL flash mode exposure compensation is re quired for over or underexposing the picture to match subject or shooting conditions Each procedure is dif ferent so read the following instructions carefully be fore shooting In addition if you photograph a subject with very high reflectivity such as a mirror or metallic surface under exposure is almost certain to occur To prevent this use manual flash control TTL Exposure Compensation When using TTL automatic flash control with the Nikonos V camera you can use its ASA ISO film speed dial to make an exposure compensation for the shooting situation or to create intentionally over or underexposed photos The relationship between the exposure compensation value and ASA ISO film speed dial setting is shown in the following chart Exposure Compensation Value New ASA ISO Setting ASAIISO Film Speed in use The useable aperture range for TTL automatic flash photography changes according to the exposure com pensation value being used Before using the exposure calculation dial to determine the useable aperture range align the correct shooting situation mark with new compensation setting on the ASA ISO film speed scale 26 For example to make a 2 exposure compensation when using A
56. while rolling the other side of the ring into place Fig 3 To insert the O rings into the channels of the synchro socket and sensor socket covers push up on the center of the cover with a fingertip or pointed object place the ring over the channel then press it down into place Check that the O ring is not twisted and that each of its edges is properly seated see Fig 4 Check the surfaces which are opposite the O rings to determine that each is clean smooth and free of foreign matter Clean and lubricate the surfaces in the same manner as the channels When reattaching the parts with O rings be sure that each O ring seats properly and securely All of the O rings must be properly aligned and not pinched PREPARATION continued The preceding instructions must be performed on each user serviceable O ring prior to each dive day and if possible prior to each dive By following these pro cedures and all other procedures in this instruction manual you will be able to enjoy using your Nikonos Speedlight SB 102 for many years Reminder An extra set of O rings and a tube of lubri cant are supplied with the flash unit Additional O rings and lubricant are available from authorized Nikon dealers and service centers The O rings and their sealing method The method used by the O rings to seal and waterproof the flash unit is shown in the following illustrations When a low level of pressure exists for instance
57. xi mately 14 seconds If either the SB 102 s or the camera s ready light does not light check that the batteries are properly installed the camera sensor unit and flash unit are securely connected and the shutter speed shooting mode and ASA ISO film speed setting on the camera are correctly set See pages 27 to 28 for information about ready light exposure warning information 32 Turn off the flash unit To conserve battery power between shooting sessions turn the power switch on the speedlight toi OFF e Turning the power switch off between ses sions will also help prevent battery leakage 16 Dis 31 Take the picture When the shutter is re leased the speedlight fires After you take the picture watch either the ready light inside the camera s viewfinder or the one on the SB 102 After a few seconas it will light again to indicate the flash unit is fully recycled and ready for the next shot e f the flash unit fires at its maximum output its ready light will blink for approximately 2 seconds after the shutter is released to warn that the shot may have been under exposed In this case recheck the shooting distance aperture combination selected and use the wide flash adapter or move closer to the subject if necessary This warning is also indicated by the viewfinder ready lights of the Nikonos V and Nikonos IV A CONTROLS IN DETAIL Nikonos III 4548 151 Nikonos V or Nikonos IV A
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