Infrared continuous zooming thermal imaging lens and infrared thermal imaging system

Infrared continuous zooming thermal imaging lens and infrared thermal imaging system

The embodiment of the invention discloses an infrared continuous zooming thermal imaging lens and an infrared thermal imaging system. The infrared continuous zooming thermal imaging lens sequentially comprises a front fixing group, a zooming group, a first compensation group and a second compensatio...

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1. Verfasser: ZHU GUANGCHUN
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
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description The embodiment of the invention discloses an infrared continuous zooming thermal imaging lens and an infrared thermal imaging system. The infrared continuous zooming thermal imaging lens sequentially comprises a front fixing group, a zooming group, a first compensation group and a second compensation group from an object plane to an image plane along an optical axis, the front fixing group comprises a first lens with positive focal power, the zooming group comprises a second lens with negative focal power, the first compensation group comprises a third lens with positive focal power, and the second compensation group comprises a fourth lens with positive focal power; the zooming group, the first compensation group and the second compensation group move synchronously along the optical axis, and the front fixing group is fixed relative to the image plane position. According to the invention, the continuous zooming function of the five-time optical system is realized by adopting a mode of moving the zooming grou
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OPTICS
PHYSICS
title Infrared continuous zooming thermal imaging lens and infrared thermal imaging system
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