Modern Classic SLRs Series :
Nikon F2A Photomic w/DP-11 Finder
Instruction Manual -
Part V

 
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CHANGING THE LENS

To remove the lens from the camera body, press the lens release button and, holding the button depressed, twist the lens clockwise as far as it will go. With this action, the lens will come loose and can be lifted out.

To mount a lens fitted with a meter coupling ridge, perform the following: Check that the finder's meter coupling [ever is released; position the lens in the camera's lens mounting flange so that the mounting indexes on the lens and camera body are aligned; and, then) twist the lens counterclockwise until it clicks and locks into place.

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These steps provide for full mounting of the lens, while simultaneously indexing the lens' maximum aperture setting to the camera's Photomic finder.

To mount a lens not fitted with a meter coupling ridge, first lock the meter coupling [ever in the up position again, (Also refer to "Coupling Lever Lock/Release Operation" section necxt for more details). Then mount the lens and lock it into position as explained previously. For operation with lenses not fitted with a meter coupling ridge, stop-down measurement is required.

Coupling Lever Lock/Release Operation

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The camera's Photomic finder is fitted with a meter coupling lever that provides for coupling between the finder's metering circuit and the lens' meter coupling ridge. When the camera body is used with lenses offering automatic maximum aperture indexing, the lever remains in the normal position.

However, when the camera body is used with lenses and/or accessories not provided with this feature, the lever must be locked up to permit exposure measurement via the stop-down method.

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To lock up the lever prior to mounting the lens, simply push upward and to the right until the lever clicks and locks into position.

To release the lever for operation with a lens or accessory capable of automatic maximum aperture indexing, simply slide the coupling lever release (located just above the lever) to the right until the lever returns to its normal lowered position; then, mount the lens as explained previously.

CHANGING THE VIEWFINDER

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In addition to the F2A Photomic finder included with the camera, four other interchangeable viewfinders are available. To remove the F2A Photomic finder to mount one of the other units, press the finder release lever inward and rotate toward the front (this action releases the mounting clamps); then, depress the finder release button at the rear of the camera body and lift the finder out of the camera.

To attach a viewfinder other than a Photomic Type Model - set it in position and press down firmly until it clicks and locks into place on the camera.

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To attach a Photomic-type model (including the F2A Photomic finder included with the camera), first set the aperture ring of the lens (if mounted) to the maximum aperture setting; then, gently position the finder on the camera and firmly press it down until it clicks and locks into place (Photo A).

Once in place, turn the finder'. shutter-speed selector left or right until it engages with the camera's shutter-speed dial and the two can be turned in tandem (Photo B).

CHANGING THE FOCUSING SCREEN

Nineteen different types of focusing screens are available for use with the Nikon F2A Photomic camera, each designed to meet specific focusing requirements. The Nikon Type K screen comes with the camera as standard equipment.

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To change the focusing screen, first remove the finder as described on the preceding page. Then, turn the camera body upside-down and press the finder release button a second time to release the screen.

To mount a screen, simply place it in position with the flat side facing downward and the "Nikon" mark to the front of the camera. Then, press the finder release button and the screen will drop into place.

Caution: When changing the focusing screen, be careful not to touch the optical surfaces. When removing the screen, it is advisable to place a clean, dry cloth over the palm of the hand to catch the screen as it drops free of the camera.

Focusing Screen Selector Guide

Type A & L

Type A: Matte Fresnel field with 3mm circular split-image rangefinder spot and 12 mm circle. Rapid and accurate focusing. Excellent for general photography. Type L: Same as Type A screen but with split image rangefinder line at a 45 degree angle. Best for subjects with horizontal lines.

Type B: Matte Fresnel field with 12mm circle fine ground matte focusing spot in the center. Good for general photography, especially with long lenses.

Type C: Fine-ground matte field with 4mm clear spot and cross hair. For photomicrography, astro photography and other high-magnification applications. And for parallax focusing on aerial images.

Type D: Overall fine-ground matte field. For specialized close-up photography and for use with long lenses,

Type E: Matte Fresnel field with 12mm fine ground matte spot and etched horizontal and vertical lines. Ideal for architectural photography.

Type G: Clear Fresnel field with extra-bright 12mm microprism focusing spot for viewing and focusing in poor light. Four models (G1-G4) are available corresponding to specific focal length lenses. Depth of field cannot be observed.

Type H: Clear Fresnel field with microprism focusing pattern over the entire Screen area. Permits rapid focusing on any part of the screen with optimum edge-to-edge brightness in poor light. Available in four models (H1- H4) corresponding to particular focal length lenses.

Type J: Matte Fresnel field with central microprism focusing spot and 12mm circle. Good for general photography.

Type K: Combination of Type A and J Screens. Matte Fresnel field with 3mm split-image rangefinder spot surrounded by 1mm-wide microprism doughnut. Rapid and accurate focusing for subject with both straight lines and ill-defined contours. Suitable for general photography.

Type M: Fine ground Fresnel field with 5.5mm clear spot and double cross hair for use in parallax focusing on aerial image, plus millimeter scales for calculation of individual magnification of objects or for measuring objects. Brilliant image in dim light. Suitable for close-ups, photomicrography and other high-magnification applications.

Type P: Same as Type K but with split-image rangefinder line at a 45 degree angle and etched horizontal and vertical lines as an aid to composition. Rapid and accurate focusing for subject with horizontal or vertical lines or ill-defined contours. Suitable for general photography.

Type R: Same as Type A but with rangefinder prisms of sloping surfaces at a smaller angle and horizontal and vertical lines to aid proper composition. Works best with lenses having maximum aperture of from f/3.5 to f/5.6

Focusing Screen Selector Chart

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= Excellent = Acceptable Slight vignetting or moire phenomenon (in the case of the microprism) affects the screen image. But the image on film shows no traces of this. = The image is brilliant from edge to edge, but the central rangefinder, microprism or cross-hair area is dim. Focus on the surrounding matte area.M= Acceptable Incompatible with any lens having a maximum aperture larger than f/2.8 since this decreases the efficiency and accuracy of the screen rangefinder. The in-focus image in the central spot may prove to be slightly out of focus on film. Focus on the surrounding matte area.

Caution: The rear surface of the screen is made of resin. Special care should be taken to protect it from scratching or excessive pressure.

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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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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:
http://rick_oleson.tripod.com/index-153.html by: my friend, Rick Oleson
http://www.zi.ku.dk/personal/lhhansen/photo/fmount.htm by: Hansen, Lars Holst
http://www.mir.com.my/rb/photography/hardwares/nikonfmount/lens2.htm
http://www.photosynthesis.co.nz/nikon/serialno.html

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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; hawkeye.photographic.com 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 Corner.com.), 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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