Compact type high magnification and high definition continuous zooming optical system
An optical system, high-magnification technology, applied in optics, optical components, instruments, etc., can solve the problems of short focal length, difficult to achieve high zoom ratio, miniaturization, etc., to achieve reduced volume, good imaging quality, system compact effect
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[0048] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0049] Such as figure 1 As shown, this embodiment provides a compact high-magnification high-definition continuous zoom optical system, including a front fixed group 1, a first moving group 2, a second moving group 3, The third moving group 4 , the rear fixed group 5 and the optical filter; the optical filter is an absorption filter, including a visible light channel filter 601 and a near infrared channel filter 602 . The optical path between the first moving group 2 and the second moving group 3 is provided with a diaphragm, the left side of the front fixed group 1 is the object plane, and the right side of the optical filter is the image plane 7; through the first moving group 2, The second moving group 3 and the third moving group 4 move relative to each other in the direction of the optical axis according to the given law of motion in the...
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Abstract
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