- focal-plane shutter
- An opaque curtain containing a slit that moves directly across in front of the film in a camera and allows image-forming light to strike the film.
Forensic science glossary. John C. Brenner . 2012.
Look at other dictionaries:
Focal-plane shutter — In camera design, a focal plane shutter is a type of photographic shutter that is positioned immediately in front of the focal plane of the camera, that is, right in front of the photographic film or image sensor. AdvantagesOne of the main… … Wikipedia
focal-plane shutter — noun : a camera shutter used chiefly for instantaneous exposures in which a slit in an opaque curtain is passed directly across and in front of the film near the focal plane, the width of the slit and the speed of its movement determining the… … Useful english dictionary
focal-plane shutter — /foh keuhl playn /, Photog. a camera shutter situated directly in front of the film. Cf. curtain shutter. [1900 05] * * * … Universalium
focal plane shutter — noun a camera shutter, consisting of a system of sliding curtains, which is situated as close to the plate or film as possible … Australian English dictionary
fo|cal-plane shutter — «FOH kuhl PLAYN», Photography. a shutter that is mounted close to the focal plane of the lens … Useful english dictionary
Shutter (photography) — The 1911 Cyclopedia of Photography divides shutters into roller blind and diaphragm types, corresponding roughly to the modern focal plane and leaf types. In photography, a shutter is a device that allows light to pass for a determined period of… … Wikipedia
shutter — shutterless, adj. /shut euhr/, n. 1. a solid or louvered movable cover for a window. 2. a movable cover, slide, etc., for an opening. 3. a person or thing that shuts. 4. Photog. a mechanical device for opening and closing the aperture of a camera … Universalium
curtain shutter — noun : a focal plane photographic shutter * * * Photog. a focal plane shutter consisting of a curtain on two rollers, moved at a constant speed past the lens opening so as to expose the film to one of several slots in the curtain, the width of… … Useful english dictionary
curtain shutter — Photog. a focal plane shutter consisting of a curtain on two rollers, moved at a constant speed past the lens opening so as to expose the film to one of several slots in the curtain, the width of which determines the length of exposure. Also… … Universalium
roller-blind shutter — noun : focal plane shutter * * * /roh leuhr bluynd /, Photog. See curtain shutter … Useful english dictionary