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The F was a modular system camera, with various assemblies such as viewfinders, focusing screens, and motor drives for 36-exposure and 250-exposure film cassettes.Third parties manufactured other film backs, such as two Speed Magny film backs—one using Polaroid 100 (later 600) type pack films, and another designed for 4x5 film accessories including Polaroid's own 4x5 instant film back.
The Nikon F5's standard DP-30 metering prism. Like all previous Nikon F series cameras, the F5 maintained a manual film rewind (with a rapid power rewind built in), high durability, exceptionally short shutter lag, interchangeable 100% coverage viewfinders (including a large-view Action Finder, Waist-Level Finder, and 6x High-Magnification ...
The Nikon F3 is Nikon's third professional single-lens reflex camera body, preceded by the F and F2. Introduced in March 1980, it has manual and semi-automatic exposure control whereby the camera would select the correct shutter speed (aperture priority automation). The Nikon F3 series cameras has the most model variations of any Nikon F camera.
There is a half mirror prism that reflect data from LCD to the optical viewfinder, so we can see both the shooting frame and the shooting data. A button can change the hybrid function to electronical viewfinder by blocking the image through the optical viewfinder with moving a half mirror prism to be a straight up mirror. [5]
There were also three special purpose meterless heads available for the F2: the Nikon DW-1 waist-level finder (a non-pentaprism head; look down directly at the mirror-reversed image on the focusing screen), the DA-1 action finder (providing 60 mm of eye relief; extremely large exit pupil that can be viewed while wearing face masks, safety ...
A pentaprism. A perspective drawing showing a roof pentaprism commonly used in a single lens reflex camera (SLR). The image is flipped laterally by the prism. A pentaprism is a five-sided reflecting prism used to deviate a beam of light by a constant 90°, even if the entry beam is not at 90° to the prism.
Focusing screen on Praktica Super TL1000 Location of focusing screen (6) in an SLR camera. A focusing screen is a flat translucent material, either a ground glass or Fresnel lens, found in a system camera that allows the user of the camera to preview the framed image in a viewfinder.
The FA can also utilize the Nikon MD-12 motor drive of the Nikon FM and Nikon FE series, but the unit will not provide power for the FA. The Nikon FA was a mostly metal, heavily computerized version of the Nikon FE2. The FA was a battery-powered (two SR44 or LR44, or one 1/3N) electromechanically (much electronics, but many springs, gears and ...