Image:Focal-length.svg
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Focal-length.svg (SVG file, nominally 180 × 543 pixels, file size: 46 KB)
File history
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Date/Time | Dimensions | User | Comment | |
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current | 08:08, 12 March 2008 | 180×543 (46 KB) | Henrik | ({{Information |Description='''Focal length''' {{es|El foco '''F''' y la distancia focal ''f'' de una lente positiva, una lente negativa, un espejo cóncavo, y un espejo convexo.}} {{en|The focus F and the focal length f of a positive lens, a negativ) |
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