Optical apparatus
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United States of America Patent
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Jan 13, 1998
Issued Date -
N/A
app pub date -
Jan 28, 1994
filing date -
Nov 19, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An optical apparatus comprises a zoom lens for effecting magnification change, a focusing lens for effecting focus adjustment, a first motor for moving the focusing lens, a second motor for moving the zoom lens, and detecting mechanism for detecting the reference positions of the focusing lens and the zoom lens, the detecting mechanism being used in common to the two lenses.
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