Method and device for focusing and diopter compensation of a telescope
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United States of America Patent
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Nov 7, 2006
Grant Date -
Nov 25, 2004
app pub date -
Aug 10, 2002
filing date -
Aug 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A monocular or binocular optical system that is capable of automatically adjusting a diopter setting upon or during a change in magnification in a way that acts to preserve focus and a corresponding method for adjusting a diopter setting to preserve focus upon or during a change in magnification.
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