hy'per•fo'cal dis'tance

Pronunciation: (hī'pur-fō'kul, hī"-), [key] Photog.
the distance, at a given f number, between a camera lens and the nearest point (hy'perfo'cal point') having satisfactory definition when focused at infinity.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

hyperfine structurehyperform
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