BK7 glass blank 99X48XT19mm

     1, Techniques of Optical lens: by Molding, Grinding, Polishing

     2, Shape of Optical lens: Plano lens,bi convex lens,bi concave lens, ball lens,Spherial lens

     3,  Inside quality of Optical lens: clear and transparent, no mold marks, no inside bubble and dirts,

     4,  Function of Optical lens : Lighting splitting,magnifying etc.

     5,  High transimission

Optical glass