| focus |
A state of the system that indicates which component receives keyboard events. A component is said to have the focus if keyboard events are sent to that component.
출처: biology.ncsa.uiuc.edu/library/SGI_bookshelves/SGI_...
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| focus |
Verb used in lighting: to point the lanterns (qv) in the right direction and set the correct beam-spread and edge.
출처: www.schoolshows.demon.co.uk/resources/technical/gl...
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| focal length |
The distance from a camera lens's focal point to its CCD imaging chips with the lens focus set to infinity. Wide angle views use short focal length; narrow field of view (telephoto) use longer focal lengths. Zoom lenses have a variable focal length.
출처: www.digitalpostproduction.com/Htm/Features/Digital...
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| focal length |
The distance from a point where an image is formed (the focal point) to a point in or near the lens or lens system. [In the sketch at right, this is labeled FL.] Focal Point - That point where the light rays coming from a distant object converge after passing through a lens, coming to a focus and forming an image. [The point FP in this sketch.]
출처: www.bi-optic.com/vocab.html
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| focal point |
Area of an art work that attracts the viewer's attention first. Contrast, location, isolation, convergence and the unusual are used to create focal points.
출처: www.sasked.gov.sk.ca/docs/artsed/visart102030/vagl...
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