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In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. The aperture defines a bundle of rays from each point on an object that will come to a focus in the image plane.
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light lens stop image optical lenses system size pupil f-number also opening field diameter may example maximum depth sensor typically
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Aperture | is a | f-number adjusted to correspond to the f-number of the same size absolute aperture diameter on a lens with a 35mm equivalent focal length | 0.90 | text |
| a diaphragm placed in the optical path to limit the light admitted by the system | instance of | or a ring or other fixture that holds an optical element in place or may be a special element | 0.80 | text |
| half frame or APS-C need to project a much smaller image circle than a lens used for large format photography | instance of | Lenses designed for a small format | 0.80 | text |
| Aperture | related to Aperture area | The | 0.60 | section |
| Aperture | related to Aperture area | Where | 0.60 | section |
| Aperture | related to Aperture control | Though | 0.60 | section |
| Aperture | related to Aperture control | Torkel Korling | 0.60 | section |
| Aperture | related to Aperture control | Graflex | 0.60 | section |
| Aperture | related to Aperture control | With | 0.60 | section |
| Aperture | related to Aperture control | Korling's | 0.60 | section |
| Aperture | related to Aperture control | From | 0.60 | section |
| Aperture | related to Aperture control | SLR | 0.60 | section |
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