Difference between revisions of "Film plane"
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| + | |image_text= Film plane marking on a Casca II | ||
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Revision as of 04:40, 27 October 2019
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The film plane is the plane in which the film (or the electronic sensor) is placed. In a properly-designed camera, this is synonymous with the focal plane, onto which light entering a lens is focused. In many cameras with simple lenses, the film plane is not a plane (i.e. not flat), but curved, to compensate for inadequacies of the lens, and in swing-lens panorama cameras, curved to follow the movement of the lens.
Many cameras have their film plane marked on the top plate, as the close-focussing distance is always measured from the film plane, not from the front of the lens.
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| Film plane marking on a Casca II image by Geoff Harrisson (Image rights) |
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| Film plane marked with a red symbol image by Geoff Harrisson (Image rights) |
Glossary Terms
