narrow aperture
1Aperture priority — Aperture priority, often abbreviated Av (for Aperture value) or A on a camera dial, is a setting on some cameras that allows the user to choose a specific aperture value while the camera selects a shutter speed to match. The camera will ensure… …
2aperture sight — narrow enclosed sight on a gun or other device that one aims …
3Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …
4aperture — [[t]æ̱pə(r)tʃə(r)[/t]] apertures 1) N COUNT An aperture is a narrow hole or gap. [FORMAL] Through the aperture he could see daylight. 2) N COUNT In photography, the aperture of a camera is the size of the hole through which light passes to reach… …
5aperture — UK [ˈæpə(r)tʃə(r)] / US [ˈæpərtʃər] noun [countable] Word forms aperture : singular aperture plural apertures 1) the hole in a camera that lets light in 2) formal a small narrow hole …
6aperture — ap|er|ture [ æpərtʃər ] noun count 1. ) TECHNICAL the hole in a camera that lets light in 2. ) FORMAL a small narrow hole …
7aperture fluorescent lighting — A scanner design that uses a fluorescent light source with a narrow unfrosted strip that lets brighter light pass through with each scan, boosting the accuracy of the captured data …
8Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …
9Tactical Synthetic Aperture Radar — The Tactical Synthetic Aperture Radar (TSAR) is a new radar system introduced on the MQ 8B Fire Scout unmanned aerial vehicle. It delivers high resolution, wide area radar images day or night, and in all weather conditions. TSAR systems take… …
10Inverse synthetic aperture radar — (ISAR) is a technique to generate a two dimensional high resolution image of a target.In situations where other radars display only a single unidentifiable bright moving pixel, the ISAR image is often adequate to discriminate between various… …
