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  2. Telephoto lens - Wikipedia

    en.wikipedia.org/wiki/Telephoto_lens

    A Canon New F-1 (1981), a 35 mm camera with a telephoto zoom lens with 70-210 mm focal length. Some compact digital cameras like the Panasonic Lumix DMC-TZ18 (2010) have superzoom lenses with a large range of focal lengths.

  3. List of longest smartphone telephoto lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_smartphone...

    This is a list of smartphones with a telephoto lens that offers a focal length (35mm equivalent) of at least 100mm or "4× optical zoom" with an imaging area equivalent to a 1/3.5″ or larger sensor. Smartphone lenses are often marketed in terms of "optical zoom" [1] relative to the phone's main camera. For example, 120mm is usually referred ...

  4. History of photographic lens design - Wikipedia

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

    The catadioptric camera lens' heyday was the 1960s and 1970s, before apochromatic refractive telephoto lenses. [citation needed] CATs of 500 mm focal length were common; some were as short as 250mm, such as the Minolta RF Rokkor-X 250mm f/5.6 (Japan) of 1979 (a Mangin mirror CAT roughly the size of a 50mm f/1.4 lens). [153]

  5. Canon EF 100-400mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_100-400mm_lens

    The EF 100–400 mm f / 4.5–5.6L IS USM is a professional EF mount telephoto zoom lens manufactured by Canon Inc. The first version of this lens was announced in September 1998, and an updated version was announced in November 2014. It is a high performance telephoto lens most often used for sports and wildlife photography.

  6. Zoom lens - Wikipedia

    en.wikipedia.org/wiki/Zoom_lens

    Lenses in the latter group of zoom lenses, sometimes referred to as "normal" zooms, [citation needed] have displaced the fixed focal length lens as the popular one-lens selection on many contemporary cameras. The markings on these lenses usually say W and T for "Wide" and "Telephoto". Telephoto is designated because the longer focal length ...

  7. Pentax Q - Wikipedia

    en.wikipedia.org/wiki/Pentax_Q

    Introduced as "The world's smallest interchangeable lens system camera..." [1] The Pentax Q system is composed of four bodies (Q, Q10, Q7, Q-S1) and eight lenses: the 01 prime normal, the 02 wide-tele zoom, 03 fish-eye, the 04 "toy" wide angle, the 05 "toy" telephoto, the 06 telephoto zoom, the 07 "mount shield" lens, and the 08 ultra-wide zoom ...

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