Modern Classic SLRs Series :
Nikon F2AS Photomic w/DP-12 Prism
Instruction Manual - Part III

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Extreme Low-Light Metering

The meter built into the Nikon F2AS camera is capable of metering low-light levels requiring slow shutter speeds of up to 10 seconds.

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To meter at low-light levels, perform the following: Set the lens' aperture ring to the desired aperture setting, and the shutter-speed selector to "B"; then, depress and hold the shutter-speed dial lock and turn the selector until the center LED exposure indicator (O) illuminates to indicate correct exposure.



Having set the selector, read off the number on the extra long exposure scale and set the camera's self-timer for the indicated value; then, set the T-L fingerguard to "T" and depress the shutter button to make the exposure. When performing low-light metering, be sure to block the entry of stray light into the viewfinder by closing the eyepiece shutter or by continuously viewing through the finder.

Time Exposures

The Nikon F2AS Photomic offers time exposure shooting convenience via built-in controls which enable long exposures without the need for accessory equipment.

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To make an exposure longer than 10 seconds, set the shutter-speed selector to "B" and turn the T-L fingerguard to "T" as described in "Extra-long Exposures." Advance the film and press the shutter-release button to open the shutter. As long as the fingerguard remains set to "T." the shutter will remain open. When returning the fingerguard to the normal center position to close the shutter, be careful not to move or shake the camera, as a blurred image may result.

Note: Most general purpose films are optimized to provide good exposures at normal metering range. For exposure time more than one second, one would need to compensate exposure by either by aperture or shutter speed to neutralize "Reciprocity Effect".

Note: Operation with a Nikon cable release (see page 15) can also provide for time exposures via the release's built-in locking function. For operation in these cases, leave the T-L fingerguard in the center position and trigger the camera with the shutter speed dial set to the "B" setting.

Eyepiece Shutter Operation

The camera's Photomic finder is fitted with an eyepiece shutter for special unmanned shooting situations (e.g., remote control, automated shooting with motor drive and aperture control unit) requiring protection against the entry of stray light through the viewfinder eyepiece.

To close the shutter, simply turn the eyepiece shutter control 60° clockwise; as the shutter closes, the internal LEDs are deactivated and the external "correct exposure" indicator is switched on for metering operation from atop the finder. To set the camera for proper exposure using the external LED indicator, simply adjust the aperture ring and/or the shutter-speed selector until the LED just glows; once the LED comes on, the camera is set for correct exposure.

In addition to its use for low-light metering or for unmanned photography, the eyepiece shutter comes in handy to ensure correct exposure measurement in critical shooting situations (e.g., photomicrography) or for protection against the entry of bright light into the viewfinder during daylight shooting.

High-Contrast Lighting Situations

When there are substantial brightness differences between the main subject and the background, unimportant bright spots or dark spots can adversely influence the finder reading, and thus the final exposure. To prevent under- or overexposure of the main subject under these shooting conditions, some corrective action must be taken to ensure proper exposure of the main subject. Fortunately, the finder's center-weighted TTL metering action simplifies adjustments, making for quicker camera operation and more accurate final results.

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To compensate for an excessively bright or dark background, target the main subject in the center of the focusing screen while performing metering; this action ensures that the main emphasis of the meter reading will be on the chosen subject.


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Copyright © 2000. leofoo ®. MIR Web Development Team.

In memory of my friend Com. Augusto Staut, Brazil, 1971-2000.

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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