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Medical-Nikkor
120mm
f/41F
Nikon INSTRUCTION MANUAL
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NOMENCLATURE DATA button LED read Power socket Power cord connection mark Focusing lamp Film speed/aperture index R t flash Sync cord connection mark re scale Sync socket LAMP button R istance index 2
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Power Supply (Optional) Cords AC Power Unit LA-2 Neckstrap eyelet Power cord socket Pilot lam Power switch Ground terminal Cord fastener selector Grounding cord AC cord Battery chamber lid Power switch Power cord socket 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 ] Neckstrap eyelet it 108 08~ Distance scale conversion sticker (in feet) 3
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CONTENTS----------------- FOREWORD----------------- NOMENCLATURE . .. . . . . .. . . .. ..................... 2-3 Featuring internal focusing (IF), the Medical-Nikkor FOREWORD .... . . . . . . .. . . . . . . ..... .. . ..... ...... 4 120mm f/4 I F is a close-up lens providing continuously OPERATION .... ......... ....... . . . .. . . . . ....... . 5-18 variable reproduction ratios from 1/11 X down to 1 X MOUNTING THE LENS .......... . . ...... . . .. . . . .. ... 5 and, with the attachment of
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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 and twist the lens clockwise. Note: To mount the 2X close·up attachment lens, refer to page 14. 5
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-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 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
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• 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 powe
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-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 th e plug with the ~ mark next to the socket. Then, plug the other end into
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• 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 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 s
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-OPERATION-continued----------------------- SETTING THE ASAjlSO FILM SPEED The flash output of the ringlight varies according to the setting of the ASA/ ISO ring. To get correct exposure with the ring light flash, you must first adjust the AS A/ ISO ring for the film in use. To do this, loosen the locking screw on the ASAjlSO ring and turn the ring until the number corresponding to the ASAjlSO of your film is opposite the index mark. It is possible to set any film speed from ASA/ISO 25 t
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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, to the table below for the appropriate shutter speed the film speed set on the lens ASA/ISO ring and the setting . • With 2-pin Sync Cord SC-20 FA , FE2, F3·Series FM2 (with FM2 (with (via AS·4 or FE 1/200 sec. ASA/ISO 1/250 sec. AS-7) sync speed) film speed sync speed) ~ 1/200 sec. 1/80 sec.
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- OPERATION-continued------------ ----------- 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 OAT A button on, the reproduction ratio visible inside the viewfinder serves as a ready-light. Thus, you can tak
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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. However, if you wish to take pictures at a certain reproduction ratio, first set the focusing ring to the desired setting (e.g. 1/4X) and then move in and out until the subject appears sharp. This will produce photographs at a predetermined repro
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- OPERATION- continued------------------------ SETTING THE REPRODUCTION 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 (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 foc
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• With 2X Close-Up Attachment Lens • Prime Lens Only Reproduc- Reproduc- Focused m Depth of field Subject field Focused m Depth of field Subject field mm (in.) mm (in.) tion ratio distance (ft.) mm (in.) mm (in.) tion ratio distance (ft) 1.6 264 x 396 0.33 30 x 45 + 25.4 ! + 1.0001 + 2.47!+ 0.0971 1/11X 0.8X (5.25) -24.4 - 0.961 (10.40 x 15.59) - 2.35 - 0.093 (1.08) (1.18 x 1.77) 1.2 192 x 288 0.325 + 2.21 (+0.087) 28.2 x 42.4 +17.9!+0.7051 1/8X 0.85X -17.3 -0.681 (7.56 x 11.34) -
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-OPERATION-continued----------------------- 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 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 glo
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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 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 apert
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-OPERATION-continued----------------------- FOCUSING LAMP If the ambient light is dim, push the LAMP button to illuminate the subject for focusing. After removi ng 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, si
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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 su it 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 detail s, also refer to the specific f
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CAUTIONS--------- LENS CARE--------- 1. Due to the electrical characteristics of the Medical • Although you should always keep the lens surfaces Nikkor's ringlight flash and focusing lamp, this lens clean, rough cleaning must be avoided. Wipe with should not be used in an explosive environment (i.e., a soft, clean cotton cloth moistened with alcohol an oxygen-enriched atmosphere) or in close proximity to remove grease or fingerprints from the lens to highly combustible materials (i.e., h
