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the size of a radiographic, photographic, or microscopic image divided by the object size. In radiography, it is equal to the source-to-image receptor distance divided by the source-to-object distance.
magnification factorAbbreviation: MF
A quantitative expression of the degree of enlargement of an image in which the image size is divided by object size. In radiography, it is the ratio of the source-to-image-receptor distance to the source-to-object distance.
See also: factor