fficiently, automatically. The lens is always wide open for focusing and viewing. But, at the instant the shutter is released, the diaphragm automatically closes down to selected ‘taking’ aperture, and then, instantly, automatically reopens. The design of the Nikon diaphragm is such that even if… … Whisper-quiet, lightning fast, the mirror flips up for the exposure and then instantly springs back to precise focusing-viewing position. The image never seems to disappear. The action is positive and complete even with the camera held and used upside down. The mirror action of the Nikon F is so…
Trade catalogs · Photography · Cameras
Internet Archive trade catalogues · Public Domain Mark 1.0. Free to use for anything.
