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zooming lens

См. также в других словарях:

  • zooming — zuːm n. moving speedily; moving with a low buzzing sound; buzzing sound; climbing at a sharp incline; camera lens enabling variation of image size; enlargement of a computer screen image simulating change in proximity v. pass by suddenly with a… …   English contemporary dictionary

  • Zoom lens — Nikkor 28 200 mm zoom lens, extended to 200 mm at left and collapsed to 28 mm focal length at right A zoom lens is a mechanical assembly of lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed… …   Wikipedia

  • Parfocal lens — A parfocal lens is a lens that stays in focus when magnification/focal length is changed. There is inevitably some amount of focus error, but small enough not to be considered significant.MicroscopyParfocal microscope objectives stay in focus… …   Wikipedia

  • zoom, zoom lens —    In photography, to zoom is to move an adjustable camera lens toward or away from a subject, or by simulating such movement with a zoom lens, making the field of vision gradually narrower or wider. In the manipulation of a digital image,… …   Glossary of Art Terms

  • Canon EF 28-105mm lens — The Canon EF 28 105 mm f/4 5.6 is an inexpensive zoom lens often included as a kit lens with Canon 35 mm single lens reflex cameras. 28 105 mm is a standard wide to telephoto zoom range. The Canon EF 28 105 mm f/3.5 4.5 USM is a higher quality… …   Wikipedia

  • Nikon F 70-210mm lens — The 70 210mm lens is a telephoto zoom lens made by Nikon. The lens has an F mount to work with all compatible Nikon SLRs and DSLRs. As opposed to the various 2.8 versions of the 70 210 Focal length, the f/4 and slower versions of such lenses are… …   Wikipedia

  • Pentax cameras — This article discusses the cameras – mainly 35 mm SLRs – manufactured by Hoya Corporation s Pentax division (ペンタックス, Pentakkusu?) and its predecessors, Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha …   Wikipedia

  • photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

  • zoom — /zoohm/, v.i. 1. to move quickly or suddenly with a loud humming or buzzing sound: cars zooming by on the freeway. 2. to fly an airplane suddenly and sharply upward at great speed for a short distance, as in regaining altitude, clearing an… …   Universalium

  • Harold Hopkins — Born 6 December 1918 Leicester UK Died 22 October 1994 Reading UK Nationality …   Wikipedia

  • zoom — [zo͞om] vi. [echoic] 1. to make a loud, low pitched, buzzing or humming sound 2. to move with a zooming sound 3. to climb in an airplane suddenly and sharply at an angle greater than normal, using the energy of momentum 4. to rise rapidly [prices …   English World dictionary

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