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About product and suppliers:
        Alibaba.com offers 14,458 optical diameter products. About 32% of these are lenses. 

A wide variety of optical diameter options are available to you, such as ball, spherical, and aspheric. You can also choose from plano-concave, plano-convex, and double convex. As well as from glass, plastic. And whether optical diameter is free samples, or paid samples. 

There are 14,458 optical diameter suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of optical diameter respectively. 

Optical diameter products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 3,639 with ISO9001, 3,177 with Other, and 636 with ISO14001 certification.