Large-aperture high-definition vehicle-mounted lens
A lens and aperture technology, applied in the field of optical lenses, can solve the problems of low illumination target recognition ability, inability to meet the recognition target requirements, low pixel resolution, etc., to achieve the effect of improving recognition ability, large aperture, and high resolution
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[0027] see Figure 1-6 It is an embodiment of the present invention, disclosing a high-definition vehicle-mounted lens with a large aperture, which sequentially includes a positive power front lens group A01, an aperture stop STOP, a positive power rear lens group A02, and a filter lens from the object side to the image side. Light sheet 8 and image plane 9;
[0028] The front lens group A01 with positive refractive power is composed of the first lens L1 with negative refractive power, the second lens L2 with negative refractive power and the third lens L3 with positive refractive power. The first lens L1 with negative refractive power is a meniscus Lenses, the second lens L2 with negative refractive power is a biconcave lens, and the third lens L3 with positive refractive power is a biconvex lens;
[0029] The rear lens group A02 of positive refractive power is composed of the fourth lens L4 of positive refractive power, the fifth lens L5 of negative refractive power, the si...
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