High-pixel, low-cost and large-field-of-view zoom optical system
An optical system, low-cost technology, applied in the field of zoom optical system, can solve the problems of low cost, small field of view, low resolution, etc., to achieve the effect of improving production yield, reducing cumulative tolerance, and reducing complexity
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0028] Such as figure 1 As shown, the zoom optical system with high pixels, low cost, and large field of view is sequentially set up from the object plane to the image plane:
[0029] A first lens group that is stationary relative to the image plane 12, the refractive power of the first lens group is positive, and the first lens group includes a first lens 1 and a second lens 2;
[0030] A second lens group that can move back and forth relative to the image plane 12, the refractive power of the second lens group is negative, and the second lens group includes a third lens 3, a fourth lens 4, and a fifth lens 5;
[0031] Aperture 6;
[0032] The third lens group that can move back and forth relative to the image plane 12, the refractive power of the third lens group is positi...
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