Traditional Culture Encyclopedia - Photography major - Photography is not difficult to learn how to choose the first shot.
Photography is not difficult to learn how to choose the first shot.
EF stands for lens of EOS camera bayonet. There is also that EF-S is only suitable for the lens of Canon APS-C EOS camera; Macro photographic lens with MP-E magnification above 1 times; TS-E shift lens.
2. Focal length
70-200mm means that this is a zoom lens with a wide-angle end of 70mm and a telephoto end of 200mm. If there is only one value, it is a fixed-focus lens.
3. Maximum aperture
F/2.8 means that the maximum aperture of this lens is 2.8. Some lenses have two values, representing the maximum aperture of the wide-angle end and the telephoto end respectively.
4. Features
L stands for Canon's professional lens, and there will be a red circle in front of the lens. IS stands for anti-shake function. USM stands for an ultrasonic motor. II indicates that this is the second generation product of this lens.
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