Home > Terms > English, UK (UE) > Aperture
Aperture
Also Known As: F/Number, F-Stop, Effect Aperture, Relative Aperture. A measure of the width of the opening allowing light to enter a camera. The apparent diameter of a lens viewed from the position of the object against a diffusely illuminated background is called the "effect aperture". The ratio of focal length of a lens to its "effective aperture" for an object located at infinity is called the "relative aperture", or "f/number". Larger apertures allow more light to enter a camera, hence darker scenes can be recorded. Conversely, smaller apertures allow less light to enter, but have the advantage of creating a large depth of field. See also shutter speed.
- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Entertainment
- Category: Movies
- Company:
- Product:
- Acronym-Abbreviation:
Other Languages:
Member comments
Terms in the News
Featured Terms
Auto-pan
A feature exclusive to AVC series switchers causing a positioned pattern to centre itself as it grows in size.
Contributor
Featured blossaries
Browers Terms By Category
- Osteopathy(423)
- Acupuncture(18)
- Alternative psychotherapy(17)
- Ayurveda(9)
- Homeopathy(7)
- Naturopathy(3)
Alternative therapy(489) Terms
- Bridge(5007)
- Plumbing(1082)
- Carpentry(559)
- Architecture(556)
- Flooring(503)
- Home remodeling(421)
Construction(10757) Terms
- Inorganic pigments(45)
- Inorganic salts(2)
- Phosphates(1)
- Oxides(1)
- Inorganic acids(1)
Inorganic chemicals(50) Terms
- Capacitors(290)
- Resistors(152)
- Switches(102)
- LCD Panels(47)
- Power sources(7)
- Connectors(7)