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Contax S of 1949 – , the second pentaprism SLR The first SLR with a fixed pentaprism was the Rectaflex Asahiflex IIb, 1954 Nikon F of 1959 – the first Japanese system camera. The first practical reflex camera was the Franke & Heidecke Rolleiflex medium format TLR of 1928. Though both single- and twin-lens reflex cameras had been available ...
An electric monowheel called Dynasphere was tested in 1932 in the United Kingdom. [11] [12] In 1971, an American inventor named Kerry McLean built his first monocycle (aka monowheel). In 2000, he built a larger version, the McLean Rocket Roadster powered by a Buick V-8 engine, which subsequently crashed in 2001 during the initial test run.
Purves was optimistic about his invention's prospects. As reported in a 1932 Popular Science magazine article, after a filmed test drive in 1932 on a beach in Weston-super-Mare, Somerset, he stated that the Dynasphere "reduced locomotion to the simplest possible form, with consequent economy of power", [1] and that it was "the high-speed vehicle of the future". [1]
Edwin H. Land introduces the first Polaroid instant camera. 1949 – The Contax S camera is introduced, the first 35 mm SLR camera with a pentaprism eye-level viewfinder. 1952 – Bwana Devil, a low-budget polarized 3-D film, premieres in late November and starts a brief 3-D craze that begins in earnest in 1953 and fades away during 1954.
View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. [2]
The first auto-everything 35mm point-and-shoot camera with built-in zoom lens, the camera type that dominated the 1990s, was the Asahi Optical Pentax IQZoom (1987, Japan) with Pentax Zoom 35-70mm f/3.5-6.7 Tele-Macro. [113] The next landmark zoom was the Sigma 21-35mm f/3.5-4 (Japan) of 1981. It was the first super-wide angle zoom lens for ...
Praktica LLC with Pancolar 1,8/50 lens, the first 35 mm single-lens reflex camera with electrical diaphragm simulation between interchangeable lenses and camera body (1969) Praktica was a brand of camera manufactured by Pentacon in Dresden in eastern Germany , within the GDR between 1949 and the German reunification in 1990.
The Eyemo is a non-reflex camera: viewing while filming is through an optical viewfinder incorporated into the camera lid. Some models take one lens only. In 1929 there was the first three-port Eyemo, while the "spider model" features a rotating three-lens turret and a "focusing viewfinder" on the side opposite the optical viewfinder.