Traditional Culture Encyclopedia - Photography major - Photographic lens problem
Photographic lens problem
VR is the code name of anti-shake function, electronic shock absorption system and Nikon anti-shake lens, which can be used for hand-held photography to increase the stability of the picture at low shutter speed.
70-200mm is the focal segment.
F/2.8 is the maximum aperture of 2.8.
G is a g-shaped lens. This lens has no aperture ring design, aperture adjustment must be completed by the body, and it also supports 3D matrix metering. This design reduces the weight and production cost of the lens.
IF: internal focusing technology. The so-called internal focusing means that the front and rear lenses of the lens do not move during focusing, but a focusing lens group inside the lens floats to complete focusing, and the length of the lens remains unchanged during focusing. It is convenient to install a polarizer or something.
ED is an ultra-low dispersion lens. This means that this lens contains Nikon ultra-low dispersion ED lens, which minimizes the chromatic aberration of the lens, thus ensuring the excellent optical performance of the lens.
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