The Pentax 6×7 is able to use either the 120 or 220 film rolls, which produce ten or twenty frames, respectively (twenty-one for the 1969 version). By pressing in the two locking buttons on either side of the finder bay, access allows for an assortment of finders that can be fitted into the bay.Īs the name implies, the 6×7 is a medium format camera and the negative produced is approximately 6 cm by 7 cm (actual format 56 mm × 70 mm, aspect ratio 5:4 = 1.25 ), and additionally the successors 67 and 67 II remain the same format. Because of the rotatable mounting, an "outer" mounted lens would not have "automatic aperture" linkage rendering the use of the aperture as a stop-down method of operation.Īnother versatile feature is the removable prism. The latter (outer) was provided for use with larger and heavier telephoto lenses and allowed the body to rotate and lock in any of the four positions.
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Because it uses 120 film, there is no provision for manual rewinding of film, as there would be for 35 mm film cameras.Īt the front of the mirror housing is the Pentax 6×7 dual lens mount that allows for both "inner" as a familiar 3 flange proprietary arrangement and "outer" four flange symmetrical arranged bayonet. Other small controls are easily located such as the lens release is on the left side of the mirror housing, the shutter release and film advance lever are located on the familiar right-hand side of the top. The most obvious difference with common SLRs is the location of the shutter speed knob being at the left hand top. This hefty camera with a general dimension body of 7.25 inches × 4.5 inches × 3.75 inches (18 cm × 11 cm × 9.5 cm), and with the standard prism and 105 mm lens, would bring it to 7.5 inches × 5.75 inches × 6.5 inches (18 cm × 14.5 cm × 17 cm). Users familiar with the diminutive cousins in the 135 format would find the Pentax 6×7 an easy transition due to the layout of the camera. 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. 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. 4.12 Extension tubes and bellows system.4.7 Central-area eyepiece magnifier and right-angle viewing attachment.4.2 Through-the-lens metering pentaprism viewfinder.Pentax 67 II – the fourth generation model, launched in 1999.Pentax 67 – with minor cosmetic changes, launched in 1990 (third generation).Asahi Pentax 6×7 (MLU) – with a mirror lock-up mechanism, launched in 1976 (second generation).Asahi Pentax 6×7 – the original model, launched in 1969 (first generation).More than forty years after the original camera introduction a wide selection of lenses is still available, together with the latest Pentax 67 II variant. The Pentax 6×7 has a dual bayonet lens mount, and a wide range of interchangeable Takumar and later SMC Pentax 67-designated lenses exist. It is perhaps inspired by the 1957 East German 6×6 KW Praktisix and its successor, the Pentacon Six, although the horizontal SLR concept can be traced back to the 1933 Ihagee VP Exakta. The camera resembles a conventional 35 mm SLR camera, with interchangeable viewfinder and lens, but is considerably bigger and heavier, weighing 2.3 kilograms (5.1 lb) with the plain prism and standard (105 mm f/2.4) lens. In 1990, it received a number of minor engineering updates and cosmetic changes and was renamed as the Pentax 67. Since then, with improvements, it was released in 1969 as the Asahi Pentax 6×7, as well as the Honeywell Pentax 6×7 for the North American import market. It originally debuted in 1965 as a prototype dubbed the Pentax 220. The Pentax 6×7 (called "Pentax 67" after 1990) is a SLR medium format system film camera for 120 and 220 film, which produces images on the film that are nominally 6 cm by 7 cm in size (actual image on the film is 56 mm × 70 mm), made by Pentax.