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What The Numbers Mean on A Camera Lens
There are numbers on the lens of my camera like "5.9-59 mm". I don't think this represents the 10 x zoom, does it?
November 15, 2001
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Hermann Graf |
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It could be if you have a digital camera. There, focal lengths are much smaller because the frame is much smaller, compared to the normal 24x36mm film format.
November 15, 2001
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Laura Johnson |
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Hi there.. I am not an expert, but I think the 5.6 refers to the aperture and the 59 to the focal length - just going by the numbers, that would make sense. Let us know.
November 20, 2001
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Bradley D. Benjamin |
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If a lens has 2 f stop numbers on it (like F4.0-5.6) this is the largest aperture opening available at the closest and farthest focal points with the lens. Example: a 35-80mm lens marked f4.0-5.6 would have a largest possible 4.0 aperture at 35mm and a 5.6 largest possible aperture at 80mm.
December 04, 2001
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Kevin Boutwell |
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the 5.9-59mm does mean that you have a 10x zoom lens. 5.9-59mm seems weird to you sice the CCD of the camera is alot smaller than that of a 35mm neg.
June 13, 2002
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