Pentax AF140C User's Manual
Contents
1. kx a ua NO a Se EIE Jen an 1 1 Wi m B Pe dk taR PEN e ta WA yon e E em ELECTRONIC MACRO FLASH SET A cem nm sd galata PM Zu qu ceo aom OPERATING MANUAL A 4 aua ati e NUES E KC ii lt KERDU atgaguo de NOME Prag 4r si ien D pedir rm aee PENTAX Congratulations on your purchase of Pentax AF140C Macro Flash The AF140C Macro Flash is a sophisticated electronic flash unit which is specifically designed to make close up work and macro photography easier to attain Its circular design provides a direct shadowless lighting source to maximize subject detail and selecting a piece of flashtube to be fired provides a shadow lighting source Be sure to read these instructions carefully to learn the benefits of Macro Flash TET an mine a AAA CONTENTS DESCRIPTION OF PARTS 2 INSERTING THE BATTERIES s 4 BATTERIES sativa aasal sid 5 INSTALLING THE MACRO FLASH 6 CLOSE UP ACCESSORIES 7 MOUNTING THE CONTROL PACK 8 FLASH MODE SWITCH 9 CAMERA S EXPOSURE MODES AND DEDICATED FUNCTIONS 10 READY LAMP AUTO CHECK LAMP 11 SELECTING THE DESIRED FLASHTUBE TO BE DISCHARGED 12 ILLUMINATION WHEN FOCUSING 12 TTL AUTO FLASH E 13 TTL AUTO FLASH RANGE ISO100 15 MANUAL EXPOSURE QUICK CALCULATION C2. 8 lens 17 MANUAL FLASH When a flash unit is used in the manual flash mode the lens s aperture is determined by the flash to subject distance and or the magnification Light intensity level remains constant when set to MANUAL full flash output guide number 14 with 150100 film In manual flash photography the flash is dis charged manually but the dedicated function is possible with the cameras listed on page 10 If the lens s aperture is set to the A position the dedicated function is not possible Operating the Manual Flash 1 2 Set the mode selector to MANUAL Determine the aperture value from the Manual Exposure Quick Calculation chart on pages 16 17 and set it on the lens Set the power switch to the I position and confirm that the Ready Lamp lights up before shooting Set the power switch to the O position after the shot When the flash unit is left unused for over 10 minutes its power automatically switches off to save on power in this case switch off the power once and then on to restart charging of the flash unit If you are using the Pentax Z series camera press the shutter button haif way down to restart charging of the flash unit e mm remate SPECIFICATIONS Typis ape Clip on type serial controlled TTL Auto Flash Guide numbers Ffull light output 14 lin meters at ISO100 Flash duration Approx 1 3000 sec at full light output Approx 1 5
3. Q The flash ready Indicator lights up in the camera s viewiinder Q The auto check confirmation signal appeers in the camera s viewfinder When the shutter speed is higher than X sync the exposure will be made by the ambient lighting and the flash wilt not fire 6 When the shutter speed is lower than X sync the flesh speed will be synchronized with the camere s shutter speed when the Metered Manuel mode is set on the camera 6 When the TTL auto mode is set on the flash and the lens s aperture is set to A auta the proper aperture value will be set automatically Dedicated function is posalble even when the switch on the Control Pack is set 10 M menuai The dedicated functions QD and are only possible when the TTL auto mode li set READY LAMP AUTO CHECK LAMP Ready Lamp When the power switch is set to the 1 position and the flash is charged the flash Ready Lamp will light up If you wait several seconds after the flash has charged the light intensity will stabilize In the TTL Auto flash mode the flash may fire at low intensity level and the Ready Lamp remains on allowing successive flashes Auto Check Lamp if the flash light has properly reached the subject in the TTL flash mode the auto check lamp at the rear of the Control Pack lights up If it does not it means that the flash to subject distance is too far or the flash illumination is not sufficient In this casa get in closer on the subject and or open up
4. 0000 sec at shortest TTL Auto discharge Flash illumination angle 60 at vertical and horizontal Compatible tens cu 907 Macro 50mm 100mm 200mm lens designed for close up photography Wide angle lens can be used only when reversed Color temperature Daylight color ideally suited to daylight type color film TTL Auto Flash effective range Refer ta the TTL Flash effective range chart on page 15 Film speed range ISO 25 800 ISO 6 800 for LX camera Power source css 707 Four AA size 1 5V alkaline batteries LR6 or 1 2V Ni Cd batteries a KR AA can be used Size and weight Macro Flash unit 100 9 x26 D 3 9 x 1l 0 105g 3 7 02 Control pack 101 W x71 H x74 D 4 0 x 72 8 x 2 9 180g 6 3 oz Adapter ring p49mm 452mm p58mm Case Accessories Testing conditions 7 7 Temperature 20 C Recycling times 30 sec Battery Alkaline battery within 3 months from date of production number of flashes varies depending on the type and brand of batteries SPECIFICATIONS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTIFICATION OR ANY OBLIGATION ON THE PART OF THE MANUFACTURER OPERATING CARE e The electronic circuitry inside the flash unit contains high voltage working parts Never attempt to disassemble it When mounting the Control Pack to the camera s hot shoe hold the portion near the hot shoe bracket to avoid damage to the hot shoe and do not
5. C Macro Flash Flash Unit Switch Tab Flashtube right Modeling EE Lamp right X d n Flashtube right Flashtube left Flash Unit Plug Modeling Lamp left Flashtube left hanme A n hn AC hides PACK KA a tp et Date 2 ho De Ach IN YO prado Mara ne To ut 5 e e 22 39 eee Tr vi t 1 D RN ee Sch E RU ox Macro Flash Cord Socket Cord Lock Release Button toS GR un vis SEET E Battery Y LEE ap i Compart 1 AU a 407 T ca edi ment en Cover nt Memo ei Holder ti Power Switch Mode Selector Auto Check Lamp Modeting Lamp Button Ready Lamp Test Button Hot Shoe Bracket ap adi INSERTING THE baTtehies 1 Pull the battery compartment cover in the direction of the arrow to open it Insert four AA size batteries making sure the plus minus sides match the diagrams inside the battery compartment Then reinstall the bat tery compartment cover A ki 3 When the power switch is set to the I posi Lo tlon the Ready Lamp will light up in several DAR i A seconds If the batteries are not Inserted proper a a ly or the batteries are low the Ready Lamp will not light up das DOE E sin Ht When you set the power Stot to the my position a beeping tone signals auto check Fully Insert the flash unit plug into the Macro flash cord socket on the contro pack other wise the Ready lamp wil
6. HART on 16 MANUAL FLASH 18 SPECIFICATIONS Ann 19 OPERATING CARE usere 20 Precautions on AF140C flash photography e t is recommended that the lens be stopped down as too wide an aperture may sometimes cause a flare in the picture e Firing a flash toward a shiny subject such as 8 mirror or glass may cause a glare reflection to appear in the picture in the shape of the flash tube e Wide angle lenses mounted in the reverse position are recommended for use in close up photo graphy Red Eye Phenomenon in Flash Shooting When shooting portraits with the AF140C and color film the subject s eyes may appear red white in the black and white films This phenom enon is caused by the reflection of the electronic flash in the retina It can be minimized by bright ening the surroundings or by having the subject look at a brighter spot before shooting which causes the irises of the eye to close down con tract HOW TO USE THE MEMO HOLDER Example Macro 50mm f 2 8 Magnification 0 1 0 2 A t 4 E 22 5 6 32 8 32 For Memo Holder C 7773 IM E kai Memo holder located on the back of the flash unit can be used for a data remind er Prepare a piece of paper to fit the size of the memo holder or copy the above and enter your data in the table See page 15 for information on the data in this table DESCRIPTION OF PARTS AF140
7. NCE Pentex Nedertend Spinveld 25 4815 HR Breda NETHERLANDS Pentex Schwelz AG induatriestraste 2 8305 Dietlikon SWITZERLAND Pentex Scandinavia AB Falhagrleden 57 75127 Uppsala SWEDEN Pentax Corporation 35 Inverness Drive Eet Englewood Colorado 80112 U S A Pentax Conede Inc 3131 Universe Drive Mississauge Ontario LAN 2E5 CANADA Asahi Optical Brasileira ind e Com Lida Rue Estados Unidos 1053 S o Psulo BRASIL Copyright Asahi Optical Co Ltd 1991 56812 ENG 03 9208 Printed in Japan
8. assemble break up or re charge the batteries Also do not dispose of the batteries in fire as the batteries may explode e Battery performance may temporarily deteriorate in low temperatures Batteries should be kept warm in extremely low temperature to prevent deterioration in performance by carrying them under your coat or jacket INSTALLING THE MACRO FLASH 1 Screw the adapter ring which matches the front 2 Press the tabs on the Macro Flash and install thread 49mm 52mm or 58mm onto the the Macro Flash on the adapter ring then front of the lens release both tabs CLOSE UP ACCESSORIES e Attach the Macro Flash to the front of the lens when combining it with the Auto Extension Tubes or Auto Bellows M or A e Macro Flash can be attached to the Auto Bellows A or M with a fens reversed Attach the Macro Flash onto the 49mm thread at the reverse of the Auto Bellows front panel with an adapter ring When using other close up accessories with the lens reversed use the optional reverse ring light holder K e When using the Macro Flash with filters or a close up lens first screw the close up accessories onto the tens then the Macro Flash e When using the Dental Close Up Lens Set with the Macro Flash attach the Macro Flash to the front of the lens first Then screw the magnet holder and attach the close up lens MOUNTING THE CONTROL PACK a A 2 With the power switch of the Control Pack set to the O pos
9. d earlier than the Z 10 PZ 10 if the aperture A is selected and ISO1 00 film is used e If film with an ISO rating of 200 is used the aperture set is one stop darker if film with an ISO rating of 50 is used the aperture set is one stop brighter e Memo holder located on the back of the flash unit can be used for a data reminder Prepare a piece of paper to fit the size of the memo holder and enter your data It is a very useful aid to remember TTL Auto Range See page 1 for information on data entry 15 ee cn mo na us non 22 MAN UAL EXPOSURE QUICK CALCULATION CHART 1 aiii it izi sa qus ATK t F With manual flash photography the flash light the lines corresponding to the lens in use to de intensity remains constant so the aperture value termine the aperture considering the film speed should be determined based on flash to subject used distance film speed and the lens used Refer to Lens aperture F ISO film speed Flash to subject distance cm rum Lens aperture F s 10 2 40 3 5 ISO film speed e Exposure with higher magnification in this chart were obtained using close up accessories Auto Beliows or Auto Extension Tube Flash to subject distance cm e For example when using the FA Macro 100mm f 2 8 lens and ISO25 film at a distance of 18cm the aperture is f 22 magnification is approx 0 5X e Black line is SMCP A645 75mm f 2
10. formation Switch on the Flash unit Name of Cameras TTL Auto TTL AUTO F22 TTL AUTO F56 Z 10 PZ 10 SFX SFI SFXN SFIN SF7 SF10 Older Cameras O Recommended use Q Can be used X Not usable CAMERA S EXPOSURE MODES AND DEDICATED FUNCTIONS Shoo n Dedicated functions semenn Sutter Priorty lelelejeje Z A PZ 1 SE men EA BEE gt eer x x zWwPzu o LT O 1 81e1 1618 SFX SFI SFX SFI O EE E E EE SF7 SF1I0 O eee olololxlolo a OO O OO sc LX up EEE x ei e O x PPS SEAT 5 e e s olo PAUP PIPL EN x STIR RE cem REISEN E ES RO S A3 A3000 x O ecc x Mises O O 1 9 eme colo o Program rogo Pus EL pr NM e e ano x x o 90 j ME Super MG MVI ee pec L eee ME 5 uev ad EE UD MESSI au c 0 ERE CERE others o5 ao TO EEE C t 2 3 4 5 Dedicated function i amp possible X sync indicates llash sync speed When the bulb mode is set the shutter speed will not change automatically 10 the X sync flash speed When the Metered Manus mode is set and the shutter speed used is lower than X sync the shutter speed will automatically switch to the X sync speed The aperture priority automatic exposure mode is only set on P30N P3N P3OT Dedicated function is not possible x Dedicated function ia not possible DEDICATED FUNCTION be da switches to X shutter speed refer to note 3 for LX camerae
11. ition plug the cord from the Flash Unit into the socket on the Control Pack to lock it in place To unplug the cord press in the cord lock button and puli out the plug Do not pult it out by the cord doing so could loosen the wire connections Remove the hot shoe cover if it is attached to the camera s hot shoe before attaching the hot shoe bracket on the Control Pack to the camera 1 Stide the Control Pack into the camera s hot shoe with the fastening knob loose then turn the fastening knob in the direction indicated by FIX to secure it in place To remove it loosen the fastening knob and slide it over A CHECK n Pan ai E Va LAMP FS 6 F P m Turn the power switch to the I position When the Ready Lamp lights up in several seconds press the test button for test flash After the test flash turn the power switch to the O position To prevent the cord from obstructing the path of the light coming from the flash unit be sure to keep the cord away from the Macro Flash when in use If the test button is pressed and the unit fails to flash check for a loose connection of the Flash Unit plug FLASH MODE SWITCH Set the switch on the flash unit as shown below depending on the type of camera and your needs Dedicated flash operation as shown in the table below is possible when used with the cameras listed on the next page See the operating manuals of your Pentax camera for more in
12. l not light up even if the main switch Is set to position 1 I wo gi EEO AM NEAR EU BATTERIES e EE AAA EE Macro Flash Unit operates on four 1 5V AA size alkaline batteries housed inside the controller unit This unit can also be powered by rechargeable Nickel cadmium batteries together with a Ni Cd battery charger for AA size batteries s Sch ik exte Ad te A ez Wax ap o n amr Recycling Times and Number of Flashes Manual Flash Times of Flashes Power Source 0 2 8 sec 140 1000 AIK LRO MY SS AN ve E cb n _ According to Pentax testing conditions 04 EA RE d E H kon SA SE SIS 7 228 i ou a Ni utt t d ZEE ae MES su BE a a BAEK 2 BA pos ONG EP AE I ek o El cud Wai in ub ALLEE S o Meo ATO RCS A as PENTA IIT o P BATTERY PRECAUTIONS e The misuse of batteries may cause hazards such as leakage heating explosions Batteries should be inserted with the plus minus marking facing correctly i i e Replace all batteries at the same time Do not mix battery brands and types or old batteries with new ones Otherwide overheating or fire might result SC n elf you do not expect to use the Macro Flash Unit for an extended period of time remove the batteries from it Old batteries are apt to leak and can cause damage to the unit e Never attempt to dis
13. mount dismount it by force If the unit has not been used for an extended period of time or is being readied for an important shoot it is recommended that you discharge the flash with the test flash button Test flash is also important to maintain optimum performance Shield the flash unit from salty air and water at the beach splashing liquid of any kind and rain When the flash unit is subjected to rain or mois ture wipe it off with a clean cloth 20 e Never use solvents such as paint thinner alcohol or benzine to clean the flash unit and supplied accessories If they become dirty wipe them with a clean soft cloth moistened with a mild detergent solution Avoid storing the flash unit in places where temperature and humidity are high such as in a car or near appliances which produce heat or mechanical vibration e When discharging a flash in close proximity to the subject try not to discharge the flash directly into the subject s eyes Do not fit the filter to the F FA Macro 50mm f 2 8 lens Otherwide vignetting in the picture corners may result Asshi Optical Co Ltd C P O 895 Tokyo 100 91 JAPAN Pentax Europe n v Weiveldisan 3 5 1930 Zaventem BELGIUM Pentax Hendelsgesellschaft mbH Julius Vosseler Strasse 104 2000 Hamburg 54 GERMANY Pentax U K Limited Pentex House South Hill Avenue South Herrow Middlesex HA2 OLT U K Pentax France Z Argenteull 12 rue Ambroise Croizet 95100 Argenteui FRA
14. n A When shooting at any selected aperture other than A the flash unit operates the same way regardless of the TTL AUTO F22 or TTL AUTO F5 6 setting Set the power switch to the I position and make sure the Ready Lamp lights up before shooting After the flash is charged f 22 or f 5 6 will automatically be set on the lens depending on the position of the flash mode switch F22 or F5 6 Note The aperture f 16 will automatically be selected for Pentax cameras produced earlier than the Z 10 PZ 10 if the aperture A is select ed and 150 100 film is used If the subject is exposed correctly the auto check lamp lights up to confirm that the sub ject was exposed correctly The auto check lamp will not light up when the flash is dis charged with the test button When the shooting session is over set the power switch to the O position If you set the power switch to the m position a beeping tone signals auto check When the flash unit is left unused for over 10 minutes its power automatically switches off to save on power In this case switch off the power once and then on to restart charging of the flash unit If you are using the Pentax Z series camera press the shutter button half way down to restart charging of the flash unit 13 Antenati Aparten Setting The aperture f 22 or f 5 6 marked on the control pack will be set automatically on the lens onty if the ISO100 film is used The aperture value a
15. tch to the right or left position left or right side 2 tube discharge mode a pair of right or left flashtubes discharges respectively Selecting the two pairs of flashtube provide a shadowless illumination source while selecting a pair of right or left flashtubes provides shadow illumination source making the subject appear three dimensional Set the flash unit switch depending on your needs 12 ILLUMINATION WHEN FOCUSING 13 TIN d am Him rr cow G 7 12012 q Pressing the modeling lamp button used also for the auto check lamp illuminates the subject when focusing Either right left or two pairs of model ing lamp light up depending on the position of the flash unit switch If the modeling lamp button is pressed once the light lights up If depressed again the light turns off The light automatically turns off when the unit is left unused for about 20 seconds or when the flash is discharged wy a TTL AUTO FLASH Slide the flash unit switch to the desired position Set the mode selector to TTL AUTO F22 or TTL AUTO F5 6 Turn the mode selector to either position de pending on the film to subject distance and or the magnification See the TTL Flash Range Chart on page 15 Set the lens s aperture to the A position TTL Auto Flash range differs depending on the aperture set magnification and or the flash to subject distance though you can shoot at any selected aperture other tha
16. the tens aperture For example if the lens s aperture is set to the position A change the switch from TTL AUTO F22 to TTL AUTO F5 6 The flash will not discharge even if the shutter is released while the auto check lamp is being lit Viewfinder Auto Check The camera viewfinder having the auto check function provides an auto flash confirmation signal isee page 10 However the flash will not fire while the auto check indication blinks even if the shutter is released The shutter speed will not automatically change either ein TTL auto operation when the subject bright ness is more than sufficient for the flash effective range at the selected aperture setting a Correct exposure will not be obtained even if the auto check indication is displayed See the TTL Auto Flash Range Chart on page 15 eWhen the flash fires shortly after the Ready Lamp lights up your subject may be under exposed even if the subject is in the flash effec tive range because of insufficient flash illumina tion Wait several seconds after the Ready Lamp lights up before shooting for best results 11 SELECTING THE DESIRED FLASHTUBE TO BE DISCHARGED Macro flash has four separate flashtubes Set the flash unit switch as desired to discharge either one or two pairs of flashtube If you wish to discharge two pairs of flashtubes left and right side 4 tube discharge mode set the flash unit switch to the middle position If you move the swi
17. uto matically set will vary depending on the ISO film speed in use When setting to the TTL AUTO F22 position the aperture value set is one stop brighter with Pentax cameras produced earlier than the Z 10 PZ 10 but correct exposure will be obtained thanks to TTL Auto control Ex 150400 TTL AUTO 1 22 f 45 6 32 with the cameras produced earlier than Z 10 PZ 10 TTL AUTO f 5 6 f 11 15050 TTL AUTO f 22 1 16 f 11 with the cameras produced earlier than Z 10 PZ 10 TTL AUTO f 5 6 f 4 14 hentig Fechos ponn in close up photography the depth of field be comes very shallow It is recommended that the lens be stopped down within the TTL Auto Flash range for natural looking effect set the mode selector to TTL AUTO F22 when using the A auto lens aperture setting TTL AUTO FLASH RANGE 150100 Apertue Range Lens Oistt Magn Aperture Range ME Y o Bu E 4 22 Lm f Anero oe 7280 0 sanl ai NER A Macro 22 D E HeB cl EENG Vil 10mm f 28 1 20m 45 1 pd ANR E DRE NO 1 fede _ oo MAN 4 25 FASOmm f 14 100mm F 4 E LIE Standard tens UNES 1l 7 menta BA Kee ARE REES F FA Macro 836 tk SR EN 259m f 4 32 100mm F 2 8 Z f 28 10 f 5 5 32 A645 A n 1 2 8 22 t Flash to subject distance 75mm f 28 2 if A e When using the A iens aperture 5 6 or 22 will automatically be set e The aperture f 16 will automatically be selected for Pentax cameras produce
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