Structure:Flat round
Surface:Optical grade
Transmission:over 90%
Structure:Cylindrical
Surface:Polished
Transmission:over 90%
Structure:Plano-convex
Surface:Optical grade
Transmission:over 90%
Structure:Plano, convex, concave
Shape:Spherical
Surface quality:Optical grade
Structure:ball
Surface:Polished
Transmission:over 90%