COCO OPTICS
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Lens
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Detail
A lens is an optical element made of transparent substances such as glass, crystal, etc. Convex lens: thick in the middle and thin at the edge, with three types: biconvex, flat convex, and concave convex; Concave lens: thin in the middle and thick in the edge, with three types: double concave, flat concave, and convex concave. Lenses play an important role in fields such as astronomy, military, transportation, medicine, and art. There are two types of lenses: plastic and glass, and glass lenses are more expensive than plastic. The lens is composed of several lenses. Lens can be widely used in security, vehicle, digital camera, laser, optical instrument and other fields. With the continuous development of the market, lens technology is also more and more widely used.
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