| 摘要 |
The optical system includes a first set of optics, an optical switch and a second set of optics. The first set of optics is capable of receiving light and directing the light along a first optical path. The optical switch is capable of directing a first portion of the light to continue along the first optical path, and directing a second portion of the light along a second optical path. The second set of optics is subsequent to the optical switch and is capable of receiving the first portion of light from the optical switch, and directing that portion of light along a third optical path. The third optical path and the second optical path are substantially co-aligned. The optical system has variable magnifications and requires no moving parts.
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