By Robert Sumner With contributions from Ranga Burada, Henry Koren, Brienna Rogers and Norman Koren Consistency is a fundamental aspect of […]

A fuller and more up-to-date explanation of gamma, including how to obtain it for slanted-edge MTF calculations can be found […]

For measurement of sharpness, the main driver of variation is noise. A powerful noise reduction technique called modified apodization is […]