Definitions | focal length |
| noun
- (optics) The distance from the center of a lens or curved mirror to the image from an object at infinity (effectively at a distance very much greater than the focal length).
Translations: - Dutch: (t, nl, brandpuntsafstand)
- French: (t, fr, distance focale)
- German: (t, de, Brennweite)
(trans-mid)
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