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Nikon F/41F - page 1
Medical-Nikkor 120mm f/41F Nikon INSTRUCTION MANUAL ...
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Nikon F/41F - page 2
NOMENCLATURE DATA button LED read Power socket Power cord connection mark Focusing lamp R t flash Film speed/aperture index Sync cord connection mark re scale Sync socket LAMP button R istance index 2 ...
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Nikon F/41F - page 3
Cords x ~ /& /,' ~ ~ J h' 'I, 1 tt SlS 394 312 272 2 J 191 1" IS. 131 111 liS x08 08S 09 Q9S 1 'I 12 13 IS 18 ] it 108 08~ Distance scale conversion sticker (in feet) Power Supply (Optional) AC Power Unit LA-2 Neckstrap eyelet Power cord socket Pilot lam Power switch Ground terminal Cord fastener selector Grounding cord ...
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Nikon F/41F - page 4
CONTENTS----------------- NOMENCLATURE . .. . . . . .. . . .. . .................... 2-3 FOREWORD .... . . . . . . .. . . . . . . ..... .. . ..... ...... 4 OPERATION .... ......... . ...... . . . .. . . . . . ...... . 5-18 MOUNTING THE LENS .......... . . . ..... . . .. ... .. ... 5 CONNECTING THE POWER SUPPLY .. . . . . . . . ..... . 6-7 CONNECTIN ...
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Nikon F/41F - page 5
OPERATION--------------------------------------------- MOUNTING THE LENS Position the lens in the camera's bayonet 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 ...
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Nikon F/41F - page 6
-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. • DC Power Unit LD-2 This battery unit holds eight 1.5V AA-type penlight batteries. To install the batteries, first slide the battery chamber lid in the direction o ...
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Nikon F/41F - page 7
• AC Power Unit LA-2 Before using the AC unit , make sure the voltage s elector 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 ...
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Nikon F/41F - page 8
-OPERATION-continued----------------------- 8 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- ...
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Nikon F/41F - page 9
• 3-Pin Sync Cord SC-22 The 3-pin sync cord can be used with all Nikon and Nikkormat cameras having standard ISO-type 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 viewfin der operates, so you can take pictures without removing your eye from the v ...
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Nikon F/41F - page 10
-OPERATION-continued----------------------- 1 ·· 1 .- 1 ·· 1 ·· 1 ·· 1 800 400 200 100 50 2~ 10 SETTING THE ASAjlSO FILM SPEED The f l ash output of the ringlight varies according to the setting of the ASA/ I SO ring . To get correct exposure with the ring li ght flash, you must first adjust the AS A/ ISO ring for the film in use. To do thi ...
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Nikon F/41F - page 11
SETTING THE SHUTTER SPEED DIAL The shutter speed setting n ecessa ry for proper flash 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 ~ F3 · Series FA , FE2, (via AS·4 or FM2 (with FE ASA/ISO AS-7) 1/250 sec. film speed sync speed) 1/80 sec. (X) 1/250 sec. ...
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Nikon F/41F - page 12
- OPERATION-continued ----------- - ----------- 12 READY - LIGHT INDI C ATION After the power supp l y 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 re ...
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Nikon F/41F - page 13
FOCUSING/DETERMINING THE EXPOSURE This lens focuses in the same way as other Nikon/Nikkor lenses do . Therefore , if the reproduction ratio is less important to you, simply turn the focusing ring until the subject appears sharp in the viewfinder. How eve r, if you wish to take pictures at a certain reproduction ratio, first set the focusing ring to ...
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Nikon F/41F - page 14
- OPERATION - continued ------------------------ 14 SET T ING T H E R EPRODUCTION RATIO To set the reproduction ratio between 1/11 X and 1 X, 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 O.8X and 2X, attach the 2X close-up attachment lens (a ...
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Nikon F/41F - page 15
• Prime Lens Only • With 2X Close-Up Attachment Lens Reproduc- Focused m Depth of field tion ratio distance (ft) mm (in.) 1/11X 1.6 + 25.4 ! + 1.0001 (5.25) -24.4 - 0.961 1/8X 1.2 +17.9!+0.7051 (3.94) -17.3 -0.681 1/6X 0.95 + 13.2! +0.5201 (3.12) - 12.7 - 0.500 1/5X 0.83 +10.8!+0.4 25 1 (2.72) -10.5 -0.413 1/4X 0.7 +8.45!+0.3331 (2.3) - 8.15 - ...
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Nikon F/41F - page 16
-OPERATION-continued----------------------- 16 IMPRINTING THE REPRODUCTION RATIO The OAT A button on the side of the lens barrel determines whether or not data will be displayed in the viewfinder and imprinted on the film. When the OAT A button is pushed once, it remains in the down or ON position. I n this case, the reproduction ratio set on the l ...
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Nikon F/41F - page 17
STOP-DOWN EXPOSURE MEASUREMENT Although the lens has a built-in ringlight for shooting, you can take pictures without it. In this case, use the stop-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 r ...
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Nikon F/41F - page 18
-OPERATION-continued----------------------- FOCUSING LAMP If the ambient li ght is dim, push the LAMP button to illuminate the subject for focusing. After removi n g 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 ...
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Nikon F/41F - page 19
RECOMMENDED FOCUSING SCREENS------------- Various interchangeable focusing sc reens are ava ilable for F3- and F2-series cameras to su it any type of lens or pic- ture-taking situation. Those which are recommended for use with your lens are listed below. For screens used with N ikon cameras other than F3- and F2-series cameras ::s: K E B Camera F3 ...
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Nikon F/41F - page 20
CAUTIONS--------- 1 . Due to the e l ectrical 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 - pressure gas bottles). . 2. To eliminate any possibility of ...
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Nikon F/41F - page 21
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 cord securely to the ground terminal. • To connect the ground cord to a metalic water tap (a plastic tap cannot be used), securely wi ...
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Nikon F/41F - page 22
SPECIFICATIONS--------------------- Focallength Maximum aperture Lens construction Picture angle Distance scale Aperture scale Diaphragm Reproduction ratio Data imprinting Flash illumination 22 120mm (at 1/11 X) 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 ...
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Nikon F/41F - page 23
DC Power Unit LD-2 (with 8 AA-type batteries) Recycling times Number of flashes Film Manganese Alkaline- Manganese Alkaline- speed manganese manganese batteries batteries batteries batteries ASA/ISO Approx . Approx. Approx . Approx. 25 12 sec. 9 sec. 50 90 ASA/ISO Approx. Approx. Approx. Approx. 100 5 sec. 4 sec . 250 450 Dimensions Weight 98mmt/&g ...
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Nikon F/41F - page 24
No reproduction in any form of this booklet. in whole or in part (except for brief quotation in critical articles or reviews). may be made without written authorization from Nippon Kogaku K . K . (Nikon) NIPPON KOGAKU K.K. Fuji Bldg .• 2-3. Marunouchi 3-<:home. Chiyoda-ku. Tokyo 100. Japan Phone: 81-3-214-5311 Telex: J22601 (NIKON) Fax: 81-3-2 ...
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