Wide field optical system
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United States of America Patent
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-
Nov 28, 1989
Grant Date -
N/A
app pub date -
Jun 10, 1988
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telescope with a spherical primary mirror and a movable secondary optical element which is positioned at various locations near the focal plane of the primary mirror and directs a portion of the focused radiation to a coude optics device at the center of curvature of the primary mirror. The coude optics device reflects the focused radiation to a detector. In a preferred embodiment of this invention a field of several degrees can be scanned very rapidly while viewing much smaller object fields.
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