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The Pentax Spotmatic refers to a family of 35mm single-lens reflex cameras manufactured by the Asahi Optical Co. Ltd., later known as Pentax Corporation, between 1964 and 1976. All Pentax Spotmatics used the M42 screw-thread lens mount which was developed after World War II by Zeiss and Praktica. Asahi Optical used the name Takumar for their ...
Pentax 6 × 7 with a 75 mm f /4.5 shift lens. Pentax is one of the few camera manufacturers still producing medium format cameras up to 1999. There are two offerings, one in the 6×7 format—the Pentax 67 II, and one in the 6×4.5 format—Pentax 645NII. Both use 120 or 220 roll film. These cameras build on the Pentax SLR design experience.
Asahiflex I with viewfinder closed. Cameras using the M37 lens mount. Ashiflex I (1952–1953); Asahiflex Ia (1953–1954) — also sold as the Tower 23; Asahiflex IIb (1954–1957) — also sold as the Tower 23
Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha) was a Japanese camera and optical equipment manufacturer. Currently, it exists as the Pentax Life Care Business Division of Hoya's medical endoscope business, as well as the digital camera brand of Ricoh Imaging, a subsidiary of Ricoh.
The bar on Pentax Spotmatic cameras is operated by spring pressure with timing linked to the shutter, but these cameras also had a separate switch for the light meter circuit which closed the aperture and gave the depth of field preview in this way. To allow auto lenses to be used on earlier cameras without the bar, many lenses were provided ...
The Japanese company Pentax was the first manufacturer to show an early prototype 35 mm behind-the-lens metering SLR camera, which was named the Pentax Spotmatic. The camera was shown at the 1960 photokina show. The first TTL light metering SLR was the 1963 Topcon RE Super, which had the CdS metering cell placed behind the reflex mirror.
The ME F, a heavily modified version of the Pentax ME Super of 1979, was a member of the Pentax M-series SLRs, along with the Pentax ME (1976), MX (1977), MV (1979), MV-1 (1980), and MG (1982). They all used the same basic ultra-compact aluminium alloy chassis (except for the MX, which had a different chassis but used similar styling).
1981: Pentax was the first to create an TTL-autofocus camera and started the development of autofocus systems. That camera was the Pentax ME-F. [6] 1984: Pentax introduces the Pentax 645 SLR medium format system. 1991: Pentax was the first to introduce Power Zoom on bayonet mount lenses for SLR cameras. That lenses included the FA* 250-600mm f5 ...
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