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  2. Canon EF 8-15mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_8-15mm_lens

    Canon EF 8-15mm lens. The EF8–15mm f/4L FISHEYE USM is a fisheye zoom lens for Canon digital single-lens reflex cameras (DSLRs) with an EF lens mount. It delivers 180° diagonal angle of view images for all EOS SLR cameras with imaging formats ranging from full-frame to APS-C, and provides 180° circular fisheye images for full-frame EOS models.

  3. Canon EF 15mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_15mm_lens

    The Canon EF 15mm f / 2.8 was a fisheye lens produced by Canon from 1987 to 2011. The lens was compatible with all EF camera bodies but only intended for full-frame configurations, as the fisheye effect is much less pronounced with a cropped sensor . In 2010 Canon announced the EF 8–15mm f / 4L Fisheye USM which replaced the EF 15mm f / 2.8. [2]

  4. List of Canon products - Wikipedia

    en.wikipedia.org/wiki/List_of_Canon_products

    Canon NS (1939) New Standard. A Canon S without the slow shutter speeds. Canon J (1939) J stands for Junior a non-rangefinder model. Canon J II (1946) Similar if not the same as prewar cameras. Canon S (1946) Similar if not the same as prewar cameras. Canon S II (1946) A redesign with combined range finder and viewfinder functions – two windows.

  5. Canon Extender EF - Wikipedia

    en.wikipedia.org/wiki/Canon_Extender_EF

    The Canon Extender EF lenses are a group of teleconverter lenses made by Canon. These lenses are used between any compatible EF type lens and any of the Canon EOS line of cameras. When used with a compatible lens, they will multiply the focal length of the lens by a factor of either 1.4x or 2x, at the cost of decreasing the lens' aperture by 1 ...

  6. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. [4][5]: 145 Fisheye lenses achieve extremely wide angles of view, well beyond any rectilinear lens. Instead of producing images with straight lines of perspective (rectilinear images), fisheye lenses use ...

  7. Angle of view (photography) - Wikipedia

    en.wikipedia.org/wiki/Angle_of_view_(photography)

    So a standard 50 mm lens for 35 mm photography acts like a 50 mm standard "film" lens even on a professional digital SLR, but would act closer to a 75 mm (1.5×50 mm Nikon) or 80 mm lens (1.6×50mm Canon) on many mid-market DSLRs, and the 40-degree angle of view of a standard 50 mm lens on a film camera is equivalent to a 28–35 mm lens on ...

  8. Canon EF lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_lens_mount

    That lens was the Canon EF 70-300mm f/4-5.6L IS USM. Canon in 2011 made the first fisheye zoom lens, both circular and rectangular. That lens was the Canon EF 8-15mm f/4L Fisheye USM. Canon in 2012 made the first wide angle lens with Image Stabilization. That lens was the Canon EF 24mm f/2.8 IS USM.

  9. History of photographic lens design - Wikipedia

    en.wikipedia.org/wiki/History_of_photographic...

    The Canon EF 75-300mm f/4-5.6 IS USM (Japan) [178] of 1995 was the first interchangeable lens with built-in image stabilization (called Image Stabilizer; for Canon EOS 35mm SLRs). Image stabilized lenses were initially very expensive and used mostly by professional photographers. [179] Stabilization surged into the amateur digital SLR market in ...

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