Modern Classic SLRs Series :
Nikon F2s Photomic w/DP2 prism
Instruction Manual - Part IV

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Stop-Down Exposure Measurement

With the following lenses and accessories, full-aperture exposure measurement is not possible, either because the lens has no auto-diaphragm or because the diaphragm will not couple with the meter. Therefore, the stopdown method must be used. This means measuring exposure with the lens-aperture diaphragm stopped down to the taking aperture.

First, push the coupling pin up into the Photomic finder with a coin or similar object so that f/number 5.6 appears in the maximum aperture indicator window. Mount the lens or lens/accessory setup to the camera and switch on the meter in the usual way.

Bellows Focusing Attachments, Extension Rings and Focusing Unit: To determine exposure, select the desired shutter speed and stop down the lens manually until the two signal lights glow.

Preset Lenses: Use the same procedure as above for lenses having a preset diaphragm, such as older lenses or special lenses such as PC-Nikkor 35 mm f/2.8 etc.

Auto Lenses Without Coupling Prong
: Some lenses, like the Zoom-NikLor Auto 200-600 mm f/9.5, have an auto diaphragm but no coupling prong. Use the depth-of-field preview button to stop down the lens until the two signal lights glow.

Reflex-Nikkor Lenses: The Reflex-Nikkor 500mm f/8.0, 1000mm f/11 and 2000mm f/11 lenses have no aperture diaphragm. Adjust the shutter speed until the two signal lights glow.

Note: Since focusing may be difficult or impossible at small aperture due to image darkening on the screen, first open the lens to full aperture to focus. Then determine the correct exposure by the stop-down method.

Repro-Copying, Slide-Copying and Photomicrography

Some exposure correction may be necessary depending on the type of film and the subject or the original slide. The numbers in the table below show the exposure correction in f-stops. Re-adjust either the shutter speed or the lens diaphragm according to the indicated numbers, or reset the film speed. Three marks on the film-speed dial are equivalent to one f-stop. If the table indicates a one-stop increase with a film rated at ASA 100, reset the red arrow opposite the number 50.

Original/Type of Film

Repro/Slide Copying


Letters/Figures on Light Background

Letters/Figures on Dark Background


Panchromatic Film for general use

No Compensation required

+ 1-1/2 Stop

- 1/2 Stop

+ 1 Stop

Exposure Correction for Special Lens/Focusing-Screen Combinations

Because the light-transmitting properties of some focusing screens differ from those of ordinary screens, certain lens/screen combinations require exposure correction to compensate for the influence of the screen.

Download a original F2S file in PDF Format (248k) on Screen Exposure Compensation Chart.

With the Photomic finder, the method used is to set the film speed (ASA) against the proper compensating mark engraved on the film-speed index ring.

For example, when you wish to have a half stop decrease ( - 1/2) for an old Fisheye-Nikkor Auto 6 mm f/2.8 lens with the Type C Screen. If the film speed is ASA 100, lift up the index ring and set the number 100 on the film-speed dial opposite the -1/2 mark.

System Accessories:

Lens Hoods The use of a lens hood is recommended at all times to prevent extraneous light from striking the lens surface and causing flare or ghost, and to protect the lens against damage. Nikon lens hoods come in four types, depending on the lens: screw-in, snap-on, slip-in and built-in. They are calculated precisely for each focal-length Nikkor lens to provide maximum protection against stray light.

/hood2.jpg hood1.jpg
To attach or remove the snap-on lens hood, simply depress the button on either side of the hood. It will also fit directly over a screw-in filter so both can be used on a lens at the same time.

When not in use, the snap-on hood can be reversed for storage on the lens, and the lens and its hood can be stored together in the eveready case.

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Lenses -
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Micro-Nikkor Lenses - 50mm~55mm -60mm 85mm -105mm 200mm Micro-Zoom 70-180mm
Perspective Control (PC) - 28mm 35mm PC-Micro 85mm
Dedicated Lenses for Nikon F3AF: AF 80mm f/2.8 | AF 200mm f/3.5 EDIF
Depth of Field Control (DC): 105mm 135mm
Medical Nikkor: 120mm 200mm
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Others: Noct Nikkor | OP-Nikkor | UV Nikkor 55mm 105mm | Focusing Units | Bellows-Nikkor 105mm 135mm
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100~300mm | 180~600mm | 200~400mm | 200~600mm | 360~1200mm | 1200~1700mm

Tele-Converters: TC-1 | TC-2 | TC-200 | TC-201 | TC-300 | TC-301 | TC-14 | TC-14A | TC-14B | TC-14C | TC-14E | TC-16 | TC-16A | TC-20E


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Recommended links to understand more technical details related to the Nikkor F-mount and production Serial Number: by: my friend, Rick Oleson by: Hansen, Lars Holst

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Credit: Chuck Hester, US for his patience, encouragement and help to setup the various content in this site; Robert Johnson for some of his original images on the F2H-MD appeared in this site; my ex-staff, KiaSu for his superb 3-D logo appeared in this Nikon F2 site; Marc Vorgers from Holland who generously provide me with some of his images of F2AS; MCLau®, who has so much time with me to re-edit the content in this site and not to mention buying a Nikon Coolpix 990 just for this site. Keat Photo, Kuala Lumpur for providing their Nikon F2A to take some images for this site; again, Mr Edward Ngoh the great camera collector who provides us his collection of F2AS with MD-2; for their images on the Speed Magny film backs; Sean Cranor for his image on Nikon F2 25th Anniversary Model; Ted Wengelaar®, Holland for his continuous flow of input on some of the early Nikon bodies; CYLeow ® , photo editor of the Star newspaper, Malaysia for some of his images used in this site. Ms Rissa Chan, Sales manager from Shriro Malaysia who has helped to provide some of the very useful input. HiuraShinsaku®, Nikomat ML, Japan for some of his images on various F2 models; my staff, Wati, Maisa, Mai and my nephew, EEWyn®, who volunteered and helping me did so many of the film scanning works. Contributing photographers or resellers: Jen Siow, Foo KokKin, Arthur Teng, Mark Fallander, John Ishii, Ed Hassel, YoonKi Kim, Jean-Louis, M.Dugentas (Dell, Mr "Arsenall" and a few images mailed in from surfers with no appropriate reference to their origin. Dedicated to KU Yeo, just to express our mutual regrets over the outcome of a recent corporate event. Made with a PowerMac, broadcast with a Redhat Linux powered server.

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