Traditional Culture Encyclopedia - Photography and portraiture - Defines the magnification of magnification photography, depending on
Defines the magnification of magnification photography, depending on
The close-up ability of a camera/lens is determined by the focal length and the nearest focal length * * *:
-With the same focal length, the shorter the nearest focal length, the stronger the magnification;
-The nearest focal length is the same, and the longer the focal length, the stronger the magnification.
What if the focal length is different from the recent focal length? At this time, it is necessary to introduce "magnification": "magnification" refers to the ratio of the image formed on the photosensitive element to the original. The higher the magnification, the stronger the close-up ability of the camera/lens.
Generally speaking, the magnification of a professional macro lens is not less than 1: 1( 1.0 times). The "small macro" lens should also have a magnification of not less than 1:3(0.33 times).
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