EN: Definition, sharpness
The perception of a well-defined, sharp image depends on a complex combination of factors some of which are: Focus, Depth of Field, Contrast, and maximum potential detail inherent in the recording media or emulsion. The degree of image enlargement along with viewing distance and how many generations removed from the original the image is, will also affect definition. If you can remember all of that, you ll at least sound sharp. The opposite of . . .
Tiffan edu Glossary