Arrangement for use in positioning an optical image
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United States of America Patent
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Jun 25, 1985
Grant Date -
N/A
app pub date -
Feb 22, 1983
filing date -
Feb 24, 1982
priority date (Note) -
Expired
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Abstract
An arrangement for use in positioning an optical image with respect to an optical axis includes a plane optical element which is tiltable through rotation of a first rotatable ring member to deflect an image on the axis in a first plane which includes the axis and a second plane optical element which is tiltable through rotation of a second rotatable ring member to deflect the image in a second plane which includes the axis and is at an angle to the first plane.
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