Optical resolution
From The Glossary of Digital Photography
Refers to the native resolution of a scanner before any electronic or digital interpolation of the image. The higher the optical resolution, the finer the detail resolved by the scanner.
ONLINE GLOSSARY OF DIGITAL PHOTOGRAPY
Refers to the native resolution of a scanner before any electronic or digital interpolation of the image. The higher the optical resolution, the finer the detail resolved by the scanner.
