Nikon F/41F User's Manual
Contents
1. desired setting e g 1 4X and then move in and out until the subject appears sharp This will produce photographs at a predetermined reproduction ratio Because the focusing ring is coupled to the diaphragm once the lens is focused the aperture is simultaneously set to provide the correct exposure when using the ringlight If the ambient light is dim use the focusing lamp to illuminate the subject For details see page 18 Note 1 If you are using a camera with a split image rangefinder and or microprism focusing aid they may become dark and cannot be used In this case focus on the surrounding matte field instead Note 2 If you want to convert the distance scale to feet use the distance scale conversion sticker provided First peel off the sticker s backing then attach the sticker to the focusing ring on top of the meter scale is 12 15 15 18 2 085 13 OPERATION continued 1 SETTING THE REPRODUCTION RATIO To set the reproduction ratio between 1 11X and 1X simply turn the focusing ring until the desired reproduc tion ratio on the white scale clicks into place If you want to shoot at magnifications between 0 8X and 2X attach the 2X close up attachment lens as described below and set the focusing ring to the appropriate reproduction ratio on the orange scale Once the reproduction ratio is set both the focused distance and aperture are automatically set Use the table on the next page to2. is set on focusing ring Continuously variable from 1 11X to 1X prime lens only and 0 8X to 2X with 2X close up attach ment lens Reproduction ratios 1 11X 2X can be recorded in lower right hand corner of the film non data shooting also possible by leaving DATA button in OFF position Via built in Xenon ringlight flashtube output approx 60W sec flash output via silicon controlled rectifier and series circuitry determined by ASA ISO ring setting flash duration approx 1 500 sec at ASA ISO 25 Provided red LED on top of lens barrel reproduction ratio seen in the viewfinder also serves as ready light Provided 12V lamp at front of lens glows for 16 sec after finger is taken off LAMP button auto matically stops glowing when ringlight fires or power source is turned off 49mm P 0 75mm 49mm 2X close up attachment lens provided Nikon bayonet mount AC Power Unit LA 2 and DC Power Unit LD 2 both are provided with a neckstrap Ready light Focusing lamp Attachment size Attachment lens Mount Power source AC Power Unit LA 2 uod Recycling times Number of flashes 25 6 sec Unlimited Approx 4 sec DC Power Unit LD 2 with 8 AA tvpe batteries Alkaline Alkaline Manganese manganese tarder manganese batteries batteries Approx Approx Approx Approx 12 sec 9 sec 50 90 Approx Approx Approx Approx 4 sec 250 450 5 sec Dimensions 98mm x 150mm
3. long overall 142mm extension from flange Weight Approx 890g prime lens only Accessories provided Front lens cap Rear lens cap LF 1 12V lamp 4 pin power cord SC 21 2 pin sync cord SC 20 3 pin sync cord SC 22 Distance scale conversion sticker Optional accessories AC Power Unit LA 2 DC Power Unit LD 2 Leatherette Compartment Case 3m Power Cord Specifications and designs are subject to change without notice 23 No reproduction in anv form of this booklet in whole or in part except for brief quotation in NIPPON KOGAKU K K critical articles or reviews mav be made without Fuji Bldg 2 3 Marunouchi 3 chome Chivoda ku Tokvo 100 Japan written authorization from Nippon Kogaku K K Phone 81 3 214 5311 Telex J22601 NIKON Fax 81 3 201 5856 Printed in Japan 8 amp 056 e06
4. 05 1 88 0 074 1 05 x 1 57 10 8 40 425 120 x 180 0 315 41 78 40 070 25 3 x 37 9 10 5 0 413 4 72 x 7 09 0 95X 1 03 1 71 0 067 1 00 x 1 49 8 45 0 333 96x 144 1X 0 31 41 55 0 061 24 x 36 8 15 0 321 3 78 x 5 67 1 02 1 50 0 059 0 94 x 1 42 6 18 0 243 72 x 108 0 30 1 28 0 050 21 8 x 32 7 5 97 0 235 2 83 x 4 25 1 1X 0 98 1 23 0 048 0 86 x 1 29 4 99 40 196 60 x 90 0 29 1 10 mm 20 x 30 4 81 0 189 2 36 x 3 54 0 95 1 06 0 042 0 79 x 1 18 3 85 0 152 48 x 72 0 285 0 90 8923 18 5 x 27 7 3 71 0 146 1 89 x 2 83 0 94 0 86 0 034 0 73 x 1 09 2 74 40 108 36 x 54 0 275 0 67 40 026 16x24 2 64 0 104 1 42 x 2 13 0 90 0 65 0 026 0 63 x 0 94 2 07 0 081 28 8 x 43 2 18x 0 27 0 52 0 020 13 3 x 20 1 99 0 078 1 13 x 1 70 s 0 89 0 50 0 020 0 52 x 0 79 1 63 0 064 24 x 36 2X 0 26 40 41 0 016 12x18 1 56 0 061 0 94 x 1 42 0 85 0 40 0 016 0 47 x 0 71 Note indicates rear farther depth indicates front nearer depth Focused distance means distance between subject and film surface Circle of confusion for the Medical Nikkor 120mm f 4 IF is 1 20mm d OPERATION continued EB IMPRINTING THE REPRODUCTION RATIO The DATA button on the side of the lens barrel determines whether or not data will be di
5. All settings All settings 1 60 sec or slower With the camera set for automatic operation or at certain manual shutter speeds the proper sync speed is automatically set when the power supply for the Medical Nikkor 120mm f 4 IF lens is turned on OPERATION continued x READY LIGHT INDICATION After the power supply is switched on a red LED ready light built into the top of the lens barrel lights up as soon as the ringlight is ready to fire When the shot is taken the ready light goes out but then comes back on as soon as the ringlight is recycled and ready to fire again In addition with the DATA button on the reproduction ratio visible inside the viewfinder serves as a ready light Thus you can take pictures with any Nikon or Nikkormat camera without removing your eye from the viewfinder If the Medical Nikkor is used in conjunction with the SC 22 sync cord and the Nikon F3 series via AS 4 or AS 7 FA FE2 FE FM2 F 301 N2000 FG FG 20 or EM see the previous section Connecting the Sync Cord the ready light inside the camera s viewfinder operates too FOCUSING DETERMINING THE EXPOSURE This lens focuses in the same wav as other Nikon Nikkor lenses do Therefore if the reproduction ratio is less important to vou simplv turn the focusing ring until the subject appears sharp in the viewfinder However if vou wish to take pictures at a certain reproduction ratio first set the focusing ring to the
6. Medical Nikkor NOMENCLATURE DATA button LED readv light Reproduction ratio scale with prime lens Reproduction ratio scale with 2X close up attachment lens Power socket Power cord connection mark ASAJISO ring locking screw Focusing lamp 2X close up attachment lens ASA ISO film speed scale ASAJISO ring Ringlight flash Film speed aperture index Aperture scale Svnc cord connection mark Focusing ring Distance scale with 2X close up attachment lens Svnc socket LAMP button Reproduction ratio distance index Distance scale with prime lens Cords Metal locking Power cord SC 21 al 2 pin sync cord 3 pin sync cord SC 22 SC 20 414 4 s Ka 1 3 75 7 1 12 197 174 154 131 12 145 Mou 19 15 18 2 Distance scale conversion sticker in feet 0 85 Power Supply Optional AC Power Unit LA 2 Neckstrap eyelet Power cord socket Pilot lamp Power switch Ground terminal Cord fastener Voltage selector Grounding cord 1 AC cord DC Power Unit LD 2 Battery chamber lid Power switch Power cord socket Neckstrap eyelet Battery clip CONTENTS NOMENCLATURE i 03 iiien JA nta HS KAH asa a 2 3 FOREWORD eorr aa A 4 OPERATION o lt e sanoa st ana AS 5 18 MOUNTING THE LENS cits cites vi Day ae EN Ta 5 CONNECTING THE POWER SUPPLY 6 7 CON
7. NECTING THE SYNGC CORD A a dee 8 9 SETTING THE ASA ISO FIEM SPEED orori h fet seb 10 SETTING THE SHUTTERSPEED DIAL sriep iba 11 READY LIGHT INDICATION on ee hme 12 FOCUSING DETERMINING THE EXPOSURE 13 SETTING THE REPRODUCTION RATIO 14 15 IMPRINTING THE REPRODUCTION RATIO 16 STOP DOWN EXPOSURE MEASUREMENT 17 FOCUSING LAMP o tnt K IE REESE DT 18 RECOMMENDED FOCUSING SCREENS 19 CAUTIONS 66 5 66 od mo a Sec ANA MO a 20 LENS GARE is ii sms m Em se US oe ae es 20 ABOUT GROUNDING noe eset Ra n e nE 21 ACCESSORIES 1 12 5051 merit sess vE s Rer Do TERRE 21 SPECIFICATIONS 112 30 i pane nens OO ER TER 22 23 The Nikon F 501 N2020 not mentioned in this manual is sub ject to the same treatment as the Nikon F 301 N2000 FOREWORD Featuring internal focusing IF the Medical Nikkor 120mm f 4 IF is a close up lens providing continuously variable reproduction ratios from 1 11X down to 1X and with the attachment of a single 2X close up attach ment lens from 0 8X to 2X Because focusing is done internally there is no extension in the lens barrel making the lens extremely well balanced and convenient to use Exposure with the built in ringlight is totally automatic Once the ASA ISO ring is set for the film speed in use the flash output is automatically determined Then using a guide number system the diaphragm and focusing ring are coupled so that the appropriate ape
8. d ISO tvpe hot shoe When the SC 22 is used with the Nikon F3 series FA FE2 FE FM2 F 301 N2000 FG FG 20 or EM the camera s ready light in the viewfinder operates so you can take pictures without removing your eye from the viewfinder In addition with the Nikon F3 series FA FE2 FE F 301 N2000 FG FG 20 or EM camera set for automatic operation or at certain manual shutter speeds the proper sync speed is automatically set by turn ing on the power supply for the Medical Nikkor 120mm f 4 IF lens For details about automatic switchover to flash sync speed refer to your camera s instruction man ual To use the 3 pin sync cord first plug one end into the sync socket on the lens barrel by aligning the arrow on the plug with the v mark next to the socket Then slip the other end into the camera s hot shoe until it stops and tighten the attachment screw Use of the Flash Unit Coupler AS 4 or AS 7 is required OPERATION continued SETTING THE ASA ISO FILM SPEED The flash output of the ringlight varies according to the setting of the ASA ISO ring To get correct exposure with the ringlight flash you must first adjust the ASA ISO ring for the film in use To do this loosen the locking screw on the ASA ISO ring and turn the ring until the number corresponding to the ASA ISO of your film is opposite the index mark It is possible to set any film speed from ASA ISO 25 to 800 Dots between the numbers on the film sp
9. d securely to the ground terminal To connect the ground cord to a metalic water tap a plastic tap cannot be used securely wind the cord around the tap Never connect the ground cord to a gas pipe jii cert PIA ACCESSORIES Compartment Case for Medical Nikkor 120mm f 4 IF This optional black leatherette compartment case easily accommodates a Medical Nikkor 120mm f 4 IF lens mounted on a camera body motor drive equipped or not a 2X close up ttachment lens an AC or DC power unit the necessary cords and other small accessories You can use either the hand strap or the shoulder strap provided to carry the complete set around 3m Power Cord Enables the Medical Nikkor 120mm f 4 IF lens to be used up to three meters off the power supply 21 SPECIFICATIONS Focal length Maximum aperture Lens construction Picture angle Distance scale Aperture scale Diaphragm Reproduction ratio Data imprinting Flash illumination 22 120mm at 1 11X f 4 Prime lens 9 elements in 6 groups 2X attachment lens 2 elements in 1 group 20 30 Graduated in meters from 1 6m to 0 35m for 1 11X to 1X white numerals and 0 33m to 0 26m for 0 8X to 2X orange numerals when using 2X close up attach ment lens sticker type conver sion scale for feet also provided f 4 f 32 Fully automatic guide number system automatically sets appropriate aperture as subject distance
10. determine the repro duction ratio according to the focused distance and the desired subject area e Mounting the 2X Close Up Attachment Lens Before mounting the 2X close up attachment lens make sure the aperture of the prime lens is set to f 32 Then grasp the attachment lens by its knurled ring insert the threaded portion into the hole in the center of the ringlight and while applying slight pressure screw the lens clockwise until it stops Proper exposure value is then obtained according to the continuously variable reproduction ratio between 0 8X and 2X The attachment lens can be removed with the aperture set to any value Note With the attachment lens attached the operative aperture is fixed at f 32 regardless of the aperture set on the scale e Prime Lens Only e With 2X Close Up Attachment Lens Reproduc Focused m Depth of field Subject field Reproduc Focused m Depth of field Subject field tion ratio distance ft mm in mm in tion ratio distance ft mm in mm in 1 11X 1 6 25 4 1 000 264 x 396 0 8X 0 33 42 47 L ada 30 x 45 5 25 24 4 0 961 10 40 x 15 59 1 08 2 35 0 093 1 18 x 1 77 17 9 40 705 192 x 288 0 85X 0 325 2 21 0 087 28 2 x 42 4 17 3 0 681 7 56 x 11 34 1 07 2 11 0 083 1 11 x 1 67 13 2 40 520 144 x 216 v 0 32 1 95 40 077 26 7 x 40 12 7 0 500 5 67 x 8 50 1
11. e gas bottles To eliminate any possibility of electric shock the following precautions should be observed when using the Medical Nikkor lens with the AC or DC power unit Do not attempt to repair the AC or DC power units yourself Tampering with their internal circuits with the cover removed can result in a dangerous electric shock Leave repairs to an authorized Nikon dealer or send the unit directly to the manufacturer Be sure to turn the power switch to the OFF position before opening the battery compartment to replace the batteries in the DC power unit Touching the terminals with the switch in the ON position can cause an electric shock LENS CARE Although you should always keep the lens surfaces clean rough cleaning must be avoided Wipe with a soft clean cotton cloth moistened with alcohol to remove grease or fingerprints from the lens surfaces If you use ether in cleaning the lens a smudge sometimes appears on the surface of a multi coated lens If this happens wipe it again with a cotton cloth moistened with alcohol Keep the lens cap in place whenever the lens is not in use Attach both the front and rear caps when the lens is stored separately ABOUT GROUNDING Before connecting or disconnecting the ground cord make sure the LA 2 s AC plug is not con nected to a wall outlet With an outlet having a ground terminal connect the ground cor
12. eed scale represent intermediate settings such as 32 40 etc see illustration Once you have lined up the ASA ISO number retighten the locking screw to hold the ring in place Note When shooting predominantly light or dark toned subjects it may be necessary to make exposure compensation by resetting the ASA ISO ring to a higher or lower setting SETTING THE SHUTTER SPEED DIAL The shutter speed setting necessary for proper flash Nikon or Nikkormat camera you are using Please refer synchronization depends on the type of sync cord used the film speed set on the lens ASA ISO ring and the With 2 pin Sync Cord SC 20 ASA ISO film speed F3 Series via AS 4 or AS 7 1 80 sec X 1 60 sec or slower or slower FA FE2 FM with 1 250 sec sync speed to the table below for the appropriate shutter speed 1 250 sec or slower 1 125 sec or slower setting FM2 with FE 1 200 sec sync speed 1 125 sec ME or slower or slower 1 60 sec 1 125 sec or slower or slower A F3 series via AS 4 or AS 7 FA FE2 FE Il settings All settings AUTO 1 125 sec or slower 1 60 sec or slower 1 125 sec or slower 1 60 sec or slower FM2 with 1 250 sec svnc speed 1 250 sec or slower 1 125 sec or slower FM2 with 1 200 sec svnc speed 1 200 sec X200 or slower 1 125 sec or slower F 301 N2000 FG
13. ll the batteries first slide the battery chamber lid in the direction of the arrow and open the lid 1 Remove the battery clip Load the batteries making sure that the positive and negative and poles are aligned correctly as shown inside the battery clip Put the battery clip back into the chamber making sure that the contacts go in first 2 Then slide the lid back into place When replacing batteries replace all eight at once To connect the battery unit to the lens plug one end of the power cord SC 21 supplied with the lens into the power socket on the lens barrel by aligning the arrow on the plug with the v mark next to the socket 3 Then align the white dot on the other end of the plug with the metallic dot near the edge of the LD 2 s power socket and push the plug into the socket until it clicks into place 4 To remove the plug from the DC unit grasp the plug by its metal locking ring and pull it out e AC Power Unit LA 2 Before using the AC unit make sure the voltage selector is set for the proper voltage The unit has separate settings for 220 and 240 volts Insert a small coin in the slot and turn the screw so the slot points to the proper setting 220 or 240 The 100 and 117 volt settings shown in the photo 1 cannot be used To use the 100 or 117 volt settings take the unit to your nearest Nikon service centre for ad justment To connect the AC unit plug one end of the power cord SC 21 into the p
14. ower socket on the lens barrel by aligning the arrow on the plug with the w mark next to the socket 2 Next align the white dot on the other end of the plug with the metallic dot near the edge of the LA 2 s power socket and push the plug into the socket until it clicks into place 3 Finally plug the AC cord into a wall outlet When the AC unit is switched on the pilot lamp on top of the unit lights up immediately To remove the power cord s plug from the AC unit grasp the plug by its metal locking ring and pull it out OPERATION continued CONNECTING THE SYNC CORD Two separate sync cords are supplied with the lens Select the cord best suited to your type of camera 2 Pin Sync Cord SC 20 The 2 pin sync cord is for use with all Nikon and Nikkor mat cameras except the Nikon F 301 N2000 FG FG 20 and EM Connect one end of the 2 pin cord to the sync socket on the lens barrel by aligning the arrow on the plug with the VY mark next to the socket Then plug the other end into the sync terminal on the camera This end of the sync cord is threaded for positive connection to the camera s sync terminal If you are using a Nikkormat FTN which has two sync terminals on the side of the body connect the sync cord to the X terminal n the U S A and Canada the Nikon F 301 camera is sold as the Nikon N2000 3 Pin Svnc Cord SC 22 The 3 pin svnc cord can be used with all Nikon and Nikkormat cameras having standar
15. rture for correct exposure is set as you focus To let you know when the flash is recycled and ready to fire an LED ready light is built into the top of the lens barrel In addition automatic imprinting of the reproduction ratio in use is possible via an ingenious system Using a green LED and a miniature optical system inside the lens barrel the ratio is projected through the lens and appears in the camera s viewfinder at the lower right hand corner of the frame Then at the instant of exposure the ratio is imprinted on the film Finally this lens offers a choice of AC or DC power units for use indoors or out Although this complete close up system is called a Medical Nikkor lens it has many other applications including dental scientific industrial and nature photography MOUNTING THE LENS Position the lens in the camera s bavonet mount lining up the black dot on the lens with the lens mounting index on the camera Grasp the lens barrel and twist it counterclockwise until the lens clicks into place To remove depress the lens release button on the camera and twist the lens clockwise Note To mount the 2X close up attachment lens refer to page 14 OPERATION continued CONNECTING THE POWER SUPPLY The Medical Nikkor 120mm f 4 accepts either AC or DC power units allowing the lens to be used indoors or out e DC Power Unit LD 2 This battery unit holds eight 1 5V AA type penlight batteries To insta
16. splayed in the viewfinder and imprinted on the film When the DATA button is pushed once it remains in the down or ON position In this case the reproduction ratio set on the lens appears in green at the lower right hand corner of the viewfinder image as soon as the ringlight flash is ready to fire Because the data glows when the flash is recycled you can use it as a ready light Then at the instant of exposure the data is imprinted at the same place on the film frame With the 2X close up attachment lens in place the reproduction ratio between 0 8X and 2X will be displayed and imprinted in green Press the DATA button a second time and it returns to the up or OFF position With the button in this position data is not visible inside the viewfinder nor will it be imprinted on the film If you shoot with the focusing ring set between click stops the reproduction ratio will not be shown correctly inside the finder In this case make sure the DATA button is in the OFF position so that the incorrect data will not be imprinted on the film Note When using color film the imprinted data may be difficult or impossible to read if the background in the lower right hand corner of the frame is green with black and white film it may not show up if the background is light in tone 16 STOP DOWN EXPOSURE MEASUREMENT Although the lens has a built in ringlight for shooting vou can take pictures without it In this case use the s
17. t counterclockwise Then while applying pressure turn the old bulb counterclockwise and replace it with a new one Align the protrusions at the base of the new bulb with the notched portion of the lamp housing and while applying pressure turn the bulb clockwise until it is fully seated into position Finally replace the lamp cover For your convenience a spare bulb is provided with the lens RECOMMENDED FOCUSING SCREENS Various interchangeable focusing screens are available for e g Nikon FA FE2 FM2 and FE refer to the column F3 and F2 series cameras to suit any type of lens or pic for F3 series cameras For the K2 B2 and E2 focusing ture taking situation Those which are recommended for screens refer to the columns on the K B and E screens use with your lens are listed below For screens used with respectively For details also refer to the specific focusing Nikon cameras other than F3 and F2 series cameras screen s instruction sheet Excellent focusing Acceptable focusing Slight vignetting or moire phenomenon affects the screen image But the image on film shows no trace of this Blank means not usable CAUTIONS il 20 Due to the electrical characteristics of the Medical Nikkor s ringlight flash and focusing lamp this lens should not be used in an explosive environment i e an oxygen enriched atmosphere or in close proximity to highly combustible materials i e high pressur
18. top down method for exposure measurement When focused or set to a particular reproduction ratio the Medical Nikkor is also automatically set to a particular aperture which can be read off the focusing ring Then to get the correct exposure you must depress the camera s depth of field preview button to stop the lens down to the taking aperture prior to using the camera on Automatic or before adjusting the shutter speed manually For details about stop down exposure measurement refer to your camera s instruction manual Note If the automatically or manually selected shutter speed is below approx 1 125 sec the use of a tripod to support the cam era lens assembly is recommended Otherwise the photograph will come out blurred because of camera shake T OPERATION continued FOCUSING LAMP If the ambient light is dim push the LAMP button to illuminate the subject for focusing After removing your finger from the button the lamp stays on for 16 seconds then turns off automatically to conserve power If necessary you can press the button once again After taking a picture using the ringlight the focusing lamp immediately goes out To turn the focusing lamp off before the 16 sec automatic timing period is up simply switch off the power supply If the focusing lamp fails to light up after the LAMP button is pushed it needs replacement First remove the power cord from the lens then remove the lamp cover by unscrewing i
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