Traditional Culture Encyclopedia - Photography and portraiture - What do the numbers on the lens of a digital camera mean?
What do the numbers on the lens of a digital camera mean?
1:2.8-5.6 refers to the maximum aperture range, that is, the maximum aperture f at the wide-angle end is 2.8; At the telephoto end, the maximum aperture f is 5.6.
4.6- 16.8 refers to the focal length of the lens, which is roughly equivalent to 28- 102MM of 135 full-frame camera.
ASPH refers to the use of aspherical lenses in lens groups.
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