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Aspherical Lens

Aspherical Lens

Aspherical lenses have better radius of curvature and can maintain good aberration correction to obtain the desired performance. The use of aspherical lenses has led to excellent sharpness and higher resolution, as well as the possibility of miniaturized lens design.

Aspherical lens, a lens with a curved surface of an aspherical surface. Generally, can be divided into simple surface (such as paraboloid) and composite surface two types. The aspheric lens with complex calculation can be used to correct the spherical aberration of lens group. Because the aspheric surface can be properly compounded to make the center of the lens positive and the edge negative, it can have multiple correction functions at the same time, and in theory, spherical aberration can be reduced to 0.

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