focal depth


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fo·cal depth

, depth of focus
the 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.
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References in periodicals archive ?
The 1993 sequence was concentrated in the Dakar and Tiran deeps in the southern part of the Gulf having focal depths not exceeding 26 km.
With a 64-micron focal depth, you are able to compensate for any surface fluctuations on the slide," he noted.
Standard Sonic Flashlight[TM] device features include controlling the focal depth in the image; adjusting the gain, and selection of presets for common procedures.