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  2. List of standard zoom lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_standard_zoom_lenses

    Lens mounts Focal length [a] Aperture OIS Weight Length Release year Availability Wide Tele Wide Tele Samsung 16-50mm F2-2.8: NX: 24mm 75mm f / 2.0 f / 2.8 Yes 622g 97mm 2014 Discontinued: Fujifilm 16-55mm F2.8 II X: 24mm 83mm f / 2.8 f / 2.8 No 410g 95mm 2024 Current: Sony 16-55mm F2.8 E: 24mm 83mm f / 2.8 f / 2.8 No 494g 100mm 2019 Current ...

  3. Zoom lens - Wikipedia

    en.wikipedia.org/wiki/Zoom_lens

    For example, a zoom lens with focal lengths ranging from 100 mm to 400 mm may be described as a 4:1 or "4×" zoom. The term superzoom or hyperzoom is used to describe photographic zoom lenses with very large focal length factors, typically more than 5× and ranging up to 19× in SLR camera lenses and 22× in amateur digital cameras .

  4. Sigma 150mm f/2.8 APO Macro EX DG HSM lens - Wikipedia

    en.wikipedia.org/wiki/Sigma_150mm_f/2.8_APO...

    The Sigma 150mm f / 2.8 APO Macro EX DG HSM is a consumer-level macro lens. It is constructed with a plastic body and a metal mount. This lens features a distance window with magnification scale. A nine-blade, maximum aperture of f / 2.8 gives this lens the ability to create very

  5. Telecompressor - Wikipedia

    en.wikipedia.org/wiki/Telecompressor

    A telecompressor or focal reducer is an optical element used to reduce focal length, increase lens speed, and in some instances improve optical transfer function (OTF) performance. It is also widely known under the name “Speed Booster”, which is the commercial name of a line of telecompressors by the manufacturer Metabones.

  6. Varifocal lens - Wikipedia

    en.wikipedia.org/wiki/Varifocal_lens

    These are practical because of autofocus, and because the camera processor can automatically adjust the lens to keep it in focus while changing focal length ("zooming") making it suitable for still photography where a change in magnification of the subject, as demonstrated below is not a problem. The change in the subject size is a significant ...

  7. Olympus M.Zuiko Digital ED 40-150mm f/2.8 PRO - Wikipedia

    en.wikipedia.org/wiki/Olympus_M.Zuiko_Digital_ED...

    The M.Zuiko Digital ED 40–150mm f / 2.8 PRO is a professional telephoto zoom lens made by Olympus for the Micro Four Thirds system. It is the first telephoto lens in the Olympus M.Zuiko PRO range, which features weather-sealed, metal construction and high-performance optics intended to accompany the higher-end weather-sealed Olympus OM-D ...

  8. Schneider Kreuznach - Wikipedia

    en.wikipedia.org/wiki/Schneider_Kreuznach

    150 mm (15 cm) f/4.5 C-mount - completely different design than the following 150mm f4.5 C-mount lens - this lens has a black and silver barrel - older in design appearance 150 mm f/4.5 Tele-Xenar for C-mount - very well crafted lens barrel, different in appearance than other lenses in the Tele-Xenar series except the 75mm f/3.8 C-mount lens ...

  9. Sigma 150-500mm f/5-6.3 DG OS HSM lens - Wikipedia

    en.wikipedia.org/.../5-6.3_DG_OS_HSM_lens

    The Sigma APO 150-500mm F5-6.3 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumer level photographers, and is available in Nikon, Canon, Pentax and Sigma camera mounts.

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