EN: Reproduction ratio
Term used in macrophotographyto indicate the magnification of a subject; specifically the size of the imag recordedon film divided by the actual size of the subject; for example, if the image on filmis the same size as the subject, the reproduction ratio is written as 1:1 or 1X
Specifically the size of the image recorded on film divided by the actual size of the subject.
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The ratio of image size to sensor size. 1:1 means a lens can take a photo of a subject the same size as its sensor. 1:3 means the smallest object a lens can photograph is 3 times the size of the camera sensor. Reproduction ration = 1 / maximum_magnification. See the lens tables for lists of maximum magnifications for various lenses.
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