Optical Resolving Power and Definition


IN NATURE of May 27, p. 678, Mr. A. Mallock suggests as a quantitative measure of “definition” in an optical instrument “the angular or linear size of the field of view compared with the smallest corresponding quantity which can be clearly distinguished,” and proceeds to extend “definition” on an equivalent general basis to a number of other instruments.


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SMITH, T. Optical Resolving Power and Definition. Nature 109, 745 (1922). https://doi.org/10.1038/109745b0

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