front-lens filter

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• Lens mount — A lens mount is an interface mechanical and often also electrical between a photographic camera body and a lens. It is confined to cameras where the body allows interchangeable lenses, most usually the single lens reflex type or any movie camera… …   Wikipedia

• filter — F/A/V filters remove or pass certain frequencies from a signal. TV Transparent or semi transparent material, typically glass, mounted at the front of a camcorder’s lens to change light passing through. Manipulates colors and image patterns, often …   Audio and video glossary

• Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… …   Wikipedia

• Neutral density filter — Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds In photography and optics, a neutral density filter or ND filter can be a colorless (clear) or grey filter. An ideal neutral density filter reduces… …   Wikipedia

• Sigma 70-300mm f/4-5.6 APO DG Macro lens — Infobox photographic lenses name = Sigma 70 300 mm APO DG Macro maker = Sigma feat is = n feat usm = n feat sbf = n feat macro = y feat special = type = z application = Consumer Telephoto Zoom flength = 70 300mm fov = aperture = f/4 f/5.6 groups …   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

• Canon L lens — An L lens is a line of SLR photography lenses made by Canon.L lenses are Canon s top of the line lenses. The L officially stands for Luxury , a reference to the lenses high price and build. Some have rumoured that L originally stood for… …   Wikipedia

• Minolta AF 500mm Reflex lens — Minolta 500mm f/8 Reflex Key features Maker: Minolta, Sony Ultrasonic motor:  No Macro capable …   Wikipedia

• Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …   Wikipedia

• Secondary lens — Primary lens redirects here. See also prime lens. In photography, a secondary lens is a lens designed to be used in conjunction with another lens, called the primary lens.A secondary lens may be designed to be used either in front of the primary… …   Wikipedia

• Telecentric lens — A telecentric lens is a compound lens which has its entrance or exit pupil at infinity; in the prior case, this produces an orthographic view of the subject. This means that the chief rays (oblique rays which pass through the center of the… …   Wikipedia