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  2. Canon EF 50mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_50mm_lens

    Front and rear views of a Canon EF50mm f/1.4 USM. The EF 50mm lenses are a group of normal prime lenses made by Canon that share the same focal length.These lenses are based on the classic double-Gauss lens, [1] with the f/1.8 being a standard six-element double-Gauss with an air gap and powers between element 2 and 3 [1] and its faster cousins adding additional elements. [2]

  3. Canon TS-E 50mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_TS-E_50mm_lens

    The Canon TS-E 50 mm f / 2.8L MACRO is a tilt-shift prime lens that provides the equivalent of the corresponding view camera front movements on Canon EOS camera bodies. Unlike most other EF-mount lenses, it does not provide autofocus.

  4. List of standard zoom lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_standard_zoom_lenses

    The increasingly popular 20-50mm zoom range is arguably more versatile than the more established 16-35mm lenses and shares the minimum 2.5× optical zoom ratio of 28-70mm lenses but shifted to a wider field of view.

  5. Kit lens - Wikipedia

    en.wikipedia.org/wiki/Kit_lens

    Canon EF-S 18–135 IS USM lens: Optional on 7D Mark II, 80D, 77D, and 800D. Canon EF-S 18–200mm lens: 50D, optional on 60D; Canon have also marketed twin lens kits, typically with the non IS version of the Canon EF-S 18-55mm lenses and Canon EF 55-200mm lens: A now discontinued lens supplied with earlier cameras such as the 350D. Canon EF 75 ...

  6. Canon EF 50-200mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_50-200mm_lens

    It is one of the first lenses in the Canon EF series. [1] In June 1988, Canon announced the EF 50-200mm f / 3.5-4.5L lens. This lens has very similar physical qualities compared to the EF50-200mm f / 3.5-4.5. [2] The main difference is that this is an L lens, meaning that the lens contains special lens elements which better correct for various ...

  7. Canon Extender EF - Wikipedia

    en.wikipedia.org/wiki/Canon_Extender_EF

    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 or 2 stops respectively. For example, using a 1.4x or 2x extender with the Canon EF 500mm f/4L IS USM would result in a 700mm f/5.6 or 1000mm f/8 lens.