Large-relative-aperture underwater zoom imaging lens
An imaging lens, relative aperture technology, applied in installation, optics, instruments, etc., can solve the problems of inability to image quality, large lens aberration, and small field of view, and achieve the requirements of imaging, large relative aperture, and high illumination. Effect
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[0029] 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.
[0030] The invention provides a large relative aperture underwater zoom imaging lens, such as figure 1 , 5 , structure shown in 9, this camera lens comprises waterproof window 1, zoom lens group and imaging CCD14 that are made up of 11 lenses, zoom lens group comprises front fixed group, zoom group and rear fixed group successively from object side to image side. The front fixed group includes the first lens 2 and the second lens 3, the zoom group includes the third lens 4, the fourth lens 5, the diaphragm 13 and the fifth lens 6, and the rear fixed group includes the sixth lens 7, the seventh lens 8, The eighth lens 9, the ninth lens 10, the tenth lens 11 and the eleventh lens 12; the first lens 2 is an aspheric doublet lens for correcting chromatic aberration; the second le...
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