bn:00026876n
Noun Concept
Categories: Optical components, Photography equipment
EN
diaphragm  stop  Aperture shape  diffusion disc  aperture
English:
optics
Definitions
Examples
Relations
Sources
EN
In optics, a diaphragm is a thin opaque structure with an opening at its center. Wikipedia
A stop in the light path of a lens, having an aperture that regulates the amount of light that passes Wikipedia Disambiguation
An opening in the lightpath of a lens or objective that can regulate the amount of light that passes. OmegaWiki
A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device. Wiktionary
Optics: structure with a central aperture used to limit the passage of light. Wiktionary (translation)
The diaphragm used in optical instruments to cut off the marginal portions of a beam of light passing through lenses. Wiktionary
EN
The new cameras adjust the diaphragm automatically WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
Wiktionary
OmegaWiki
Wikidata Alias