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  2. Pentax 6×7 - Wikipedia

    en.wikipedia.org/wiki/Pentax_6×7

    Pentax 6×7 front Pentax 6×7 top Pentax 6×7 side Pentax 6×7 back. 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. It originally debuted in 1965 ...

  3. List of Pentax products - Wikipedia

    en.wikipedia.org/wiki/List_of_Pentax_products

    3.1.12 Film era manual focus, auto aperture, prime lenses. ... Pentax Adapter K for 6x7 Lens (6x7 to K Mount) Pentax Mount Adapter K (M42 Screwmount to K Mount)

  4. Pentax cameras - Wikipedia

    en.wikipedia.org/wiki/Pentax_cameras

    The shape of the Pentax 67 is broadly similar to a 35 mm SLR camera. By contrast, the Pentax 645 resembles other medium-format cameras by makers such as Mamiya and Bronica, which tend to be cube-shaped. Previous models include the Pentax 645 and 645N, and Asahi Pentax 6x7, Pentax 6x7 and Pentax 67.

  5. Pentax - Wikipedia

    en.wikipedia.org/wiki/PENTAX_Corporation

    Asahi Optical Co Ltd is best known for Asahi Pentax 6x7 medium format film cameras and the later Pentax Corporation is best known for Pentax 67 medium format film cameras. In 1990, the Asahi Optical Co. Ltd renamed the sub-brand from "Pentax 6x7" to Pentax 67. The company produced Pentax 67 cameras until 1999 and ceased trading in 2002.

  6. Flange focal distance - Wikipedia

    en.wikipedia.org/wiki/Flange_focal_distance

    Diagram illustrating the flange focal length of an SLR–type and a mirrorless–type camera. For an interchangeable lens camera, the flange focal distance (FFD) (also known as the flange-to-film distance, flange focal depth, flange back distance (FBD), flange focal length (FFL), back focus [1] or register, depending on the usage and source) of a lens mount system is the distance from the ...

  7. How to Get Rid of Blisters, According to Doctors - AOL

    www.aol.com/rid-blisters-according-doctors...

    Break in new shoes before wearing them for a length of time and wear gloves when doing manual labor, according to the Cleveland Clinic. The AAD also suggests wearing moisture-wicking socks ...

  8. The Most Surprising Things That Affect Your Dementia Risk - AOL

    www.aol.com/most-surprising-things-affect...

    "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Dementia impacts 6.7 million Americans, and the risk of developing the devastating disease increases ...

  9. Pentax (lens) - Wikipedia

    en.wikipedia.org/wiki/Pentax_(lens)

    1965: Pentax introduced the 6x7 SLR medium format system. 1967: Pentax introduced the world's most efficient fish-eye lens with a maximum brightness of f/4. Takumar Fish-eye 17mm f/4. [2] 1971: Pentax was the first to use SMC (Super Multi Coating) on all of their lenses. [3]