taking lens
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taking lens — Photog. See under reflex camera. [1950 55] … Useful english dictionary
Lens speed — refers to the maximum aperture diameter, or minimum f number, of a photographic lens. A lens with a larger maximum aperture (that is, a smaller minimum f number) is a fast lens because it delivers more light intensity (illuminance) to the focal… … Wikipedia
Lens clock — A lens clock is a mechanical dial caliper that is used to measure dioptric power of a lens. It is a specialized version of a spherometer. A lens clock measures the curvature of a surface, but gives the result in diopters, assuming the lens is… … Wikipedia
Mirrorless interchangeable-lens camera — MILCs feature a large sensor in a small body (Olympus PEN E P2) A mirrorless interchangeable lens camera (MILC) is an emerging class of digital system cameras, intermediate between compact digital cameras and digital single lens reflex cameras… … Wikipedia
Twin-lens reflex camera — A twin lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective (the lens that takes the picture), while the other is used for the waist level viewfinder… … Wikipedia
through-the-lens meter — /throoh dheuh lenz /, Photog. a light meter employing a sensor cell located behind the taking lens. Also called TTL meter. * * * … Universalium
through-the-lens meter — /throoh dheuh lenz /, Photog. a light meter employing a sensor cell located behind the taking lens. Also called TTL meter … Useful english dictionary
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia
Media Lens — David Edwards and David Cromwell of Media Lens receive the Gandhi Foundation Peace Award, 2007 Media Lens is a British media analysis website established in 2001 by David Cromwell and David Edwards. Regular media alerts are issued with the… … Wikipedia
Canon EF lens mount — The EF lens mount allows all the Canon EF lenses to be used on any of the Canon EOS line of cameras made by Canon Inc.Unlike the EF s breech lock predecessor, the FD mount, the EF mount uses a bayonet style mount. EF stands for Electro Focus :… … Wikipedia
