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Like the Contax II, the Foca had the rangefinder integrated in the viewfinder. In 1961, the viewfinder became wider (magnification 1:1), collimated and corrected from parallax. The company also made 35 mm models for amateur market: "Focasport": viewfinder cameras which were rather popular in France. The rangefinder versions were numbered II.
A stereoscopic rangefinder or stereoscopic telemeter [1] is an optical device that measures distance from the observer to a target, using the observer's capability of binocular vision. It looks similar to a coincidence rangefinder, which uses different principles and has only one eyepiece. German instruments tended to use the stereoscopic ...
Eyepiece image of a naval rangefinder, showing the displaced image when not yet adjusted for range. The coincidence rangefinder uses a single eyepiece. Light from the target enters the rangefinder through two windows located at either end of the instrument. At either side the incident beam is reflected to the center of the optical bar by a ...
A Foca camera of 1947 at the Musée des Arts et Métiers in Paris. A rangefinder camera is a camera fitted with a rangefinder, typically a split-image rangefinder: a range-finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that are in sharp focus.
Binoculars: Bushnell sells a wide variety of binoculars and was awarded the Best Buy award from Outdoor Life magazine in 2005 for their Browning Sports Optics binoculars and in 2006 for their Legend binoculars. [22] [23] Microscopes; Telescopes: Bushnell made smaller amateur optical telescopes. Some popular models include the "ARES 5", and the ...
Olympus XA Cameras. The Olympus XA was a series of 35 mm cameras manufactured and marketed by Olympus of Japan from 1979 to 1985. The original XA was a rangefinder camera with a fast 35 mm f/2.8 lens, and aperture priority metering. It was one of the smallest rangefinder cameras ever made, together with the Contax T.
The 43 mm, 50 mm, and 210 mm lenses require an external viewfinder to be inserted into the hot shoe for composition. The camera has a built-in dark slide that allows the manual-focusing electronic leaf shutter lenses to be changed with film in the camera. It can operate in auto exposure, auto exposure lock, and manual modes.
Vector series laser rangefinder 7×42 binoculars can measure distance and angles and also features a 360° digital compass and class 1 eye safe filters German U.D.F. 7×50 blc U-boat binoculars (1939–1945) [82] Binoculars have a long history of military use.