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  2. Comparison of digital SLRs - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_digital_SLRs

    Canon: 1D X Mark II: Full frame: 20.2 EF: 100 216 61 50 409600 14 3.2 yes yes CF+CFast: 158x168x83 1530 Feb 2016: Canon: 1D X: Full frame: 18.1 EF: 100 252 61 50 204800 14 3.2 yes yes CF (2x) 158x164x83 1530 Oct 2011: Archived 2011-11-24 at the Wayback Machine: Canon: 1Ds Mark III: Full frame: 21.1 EF: 100 63 45 50 3200 5 3 yes no CF+SD ...

  3. Canon EOS flash system - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_flash_system

    The Speedlite 420EX is an external flash formerly made by Canon. The Speedlite 420EX is one of Canon's older mid-range flashes, being replaced by the 430EX in 2005. It was primarily intended for users wanting to step up from the entry-level flashes, as well as for use as a slave flash along with the more advanced Speedlite 550EX flash.

  4. Carl Zeiss AG - Wikipedia

    en.wikipedia.org/wiki/Carl_Zeiss_AG

    First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...

  5. Carl Zeiss Planar 50mm f/0.7 - Wikipedia

    en.wikipedia.org/wiki/Carl_Zeiss_Planar_50mm_f/0.7

    The Carl Zeiss Planar 50mm f /0.7 is one of the largest relative aperture lenses in the history of photography. [1] The lens was designed and made specifically for the NASA Apollo lunar program to capture the far side of the Moon in 1966. [2] [3] [better source needed] [4]

  6. Camera lens - Wikipedia

    en.wikipedia.org/wiki/Camera_lens

    Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.

  7. 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 ...