Optical system with variable image scale
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United States of America Patent
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Mar 24, 1998
Grant Date -
N/A
app pub date -
Jun 14, 1995
filing date -
Dec 24, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical system with variable image scale for video recordings by means of a CCD camera at a microscope. A video zoom adapting arrangement with a short overall length which enables all image scales for video cameras required in practice is realized in that three optical components with a positive focal length are provided. One optical component is stationary and a second and third optical component are arranged after the first optical component, as viewed in the imaging direction, so as to be displaceable.
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