focal depth


fo·cal depth

, depth of focusthe greatest distance through which an object point can be moved while maintaining a clear image. Synonym(s): penetration (3)

fo·cal depth

, depth of focus (fō'kăl depth, fō'kŭs) The greatest distance through which an object point can be moved while remaining in focus.

fo·cal depth

, depth of focus (fō'kăl depth, fō'kŭs) The greatest distance through which a point can move in focus.