Optically Contacted is the use of molecular gravity to achieve the adhesion between the lens and the lens, generally speaking, the aperture of two lenses can only be half a circle of difference, it is best to highlight one side, the other side of the low aperture.
Optically Contacted is an essential process in optical processing, is to ensure that the optical lens in the grinding, polishing can meet the requirements of the design drawings of the smoothness, parallelism, Angle, aperture, size of a high-precision method on the plate.
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