Imaging system with a prism having adjustable number of reflections
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United States of America Patent
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Jun 2, 2009
Grant Date -
Dec 14, 2006
app pub date -
Jun 17, 2004
filing date -
Jun 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a small-size and light-weight optical system with an adjustable focal length. The invention relates to a method and system comprising an image plane on which there is formed an image of the target observed by the optical system, a first optical component with an adjustable focal length, and a prism with an optical path that is adjustable to correspond to the focal length adjusted for the first optical component. By means of the optical system according to the invention, there is formed an image of the target under observation, located at the distance of the focal length of the first optical component, on the image plane so that the first optical component, the prism and the image plane remain permanently in place in relation to each other.
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