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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 ...
Asahi Pentax Spotmatic SP500 (1971) — also sold as the Honeywell Pentax Spotmatic SP500; Asahi Pentax Spotmatic II (1971) Honeywell Pentax Spotmatic IIa (1971) — USA only; Asahi Pentax Spotmatic Electro-Spotmatic (1971) — limited release Japan only; Asahi Pentax Spotmatic ES (1971) — also sold as the Honeywell Pentax Spotmatic ES; Asahi ...
The Spotmatic was replaced by the Spotmatic II with many upgrades 1971 - 1976. Electro-Spotmatic with Super-Takumar 1:1.8 55mm lens. In 1966 Asahi Optical had produced one million SLR cameras since the first Asahiflex of 1962. It took them only another three years, until 1969, to reach two million.
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.
It is more accurately known as the M42 × 1 mm standard, which means that it is a metric screw thread of 42 mm diameter and 1 mm thread pitch. (The M42 lens mount should not be confused with the T-mount , which shares the 42 mm throat diameter, but differs by having a 0.75 mm thread pitch.)
[1] 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.
[1] 2000: Pentax develops and commercializes the world's first diffractive DVD/CD-compatible hybrid pickup lens. [1] 2009: Pentax introduces the world’s first autofocus fisheye lens. That lens is the DA 10-17mm ED (IF) Fish-Eye. [1] 2011: Pentax introduces the world’s smallest and lightest interchangeable lens camera (ILC).
The Pentax 6×7, designated product model number 400 xxxx by Asahi Pentax, is similar to any traditional 35 mm SLR camera except in size.The Pentax 6×7 is an electromechanical design and shares much in concept with its smaller 135 format cousin the "Pentax Electro Spotmatic", however, is not equipped with an internal meter.
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