Optical Ring

9690 optical ring products are offered for sale by suppliers on Alibaba.com, of which lenses accounts for 1%, led lenses & reflectors accounts for 1%, and eyeglasses frames accounts for 1%. A wide variety of optical ring options are available to you, such as oem, odm and obm.You can also choose from optical glass, pmma and borosilicate optical ring,as well as from plano-convex optical ringAnd whether optical ring is optical, {2}, or {3}.