bn:00004857n
Noun Concept
Categories: Science of photography, Observational astronomy, Physical optics, Geometrical optics
EN
aperture  Apature  Aperature  Aperture factor  aperture stop
EN
A device that controls amount of light admitted WordNet 3.0
English:
optics
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EN
A device that controls amount of light admitted WordNet 3.0 & Open English WordNet
In optics, an aperture is a hole or an opening through which light travels. Wikipedia
Hole or opening through which light travels Wikidata
In photography, the camera lens opening and its relative diameter. Measured in f-stops, such as f/8, etc. As the number increases, the size of the aperture decreases, thereby reducing the amount of light passing through the lens and striking the film. OmegaWiki
An opening, gap, or hole, usually small and narrow. Wiktionary
EN
An aperture in a wall. Wiktionary
WordNet 3.0 & Open English WordNet
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Wikidata
Wiktionary
OmegaWiki
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