Frequently Asked Questions

A Plano-Concave Lens is a lens made up of a plane and a concave spherical surface with a negative focal length.

The application range of a Plano-Concave Lens is very wide. It is used in the optical system for beam expander, projection light, and expanding optical system focal length.

The material used for H-K9L Plano-Concave Lenses is H-K9L.

The surface quality of H-K9L Plano-Concave Lenses is 40/20 (Diameter≤25.4mm) and 60/40 (Diameter >25.4mm).

Yes, customers can specify other coatings for Plano-Concave Lenses.

You May Also Like