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Measure of film sharpness
Answer for the clue "Measure of film sharpness ", 8 letters:
acutance
Word definitions for acutance in dictionaries
Wiktionary
Word definitions in Wiktionary
n. (context photography English) Edge contrast in an image; a component of sharpness.
Wikipedia
Word definitions in Wikipedia
In photography , the term "acutance" describes a subjective perception of sharpness that is related to the edge contrast of an image. Acutance is related to the amplitude of the derivative of brightness with respect to space. Due to the nature of the human ...