23 Sep 2021
Aspheric lens, the radius of curvature varies with the center axis, to improve optical quality, reduce optical elements, reduce the design cost. Aspherical lens has unique advantages over spherical lens, so it has been widely used in optical instrument, image and optoelectronic industry, such as digital camera, CD player，bar code scanners, laser diode collimation， high-end microscopic instrument etc.
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