Large-aperture ultra-large wide-angle monitoring camera module
A monitoring camera and ultra-large technology, applied in optics, optical components, instruments, etc., can solve the problems of complex structure and large volume, and achieve the effect of small volume, high resolution and wide visual range
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[0016] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0017] Such as figure 1 As shown, this embodiment discloses a large-aperture ultra-wide-angle monitoring camera module, which sequentially includes a first lens 1, a second lens 2, a third lens 3, and a fourth lens 4 along the optical axis from the object plane to the image plane. , the fifth lens 5, and the sixth lens 6.
[0018] The object plane side of the first lens is a convex surface, the image plane side is a concave surface, and its focal power is negative;
[0019] The object plane side of the second lens is concave, the image plane side is convex, and its foc...
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