Frequently Asked Questions

A Plano-Concave Lens is made up of a plane and a concave spherical surface. It has a negative focal length, which makes its application range very wide.

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), 60/40 (Diameter >25.4mm).

The coating used for H-K9L Plano-Concave Lenses is MGF: Anti-reflection coating: MgF2, Ravg<1.75% per surface@400-700nm.

Yes, you can order a Plano-Concave Lens with custom specifications. Please specify your requirements when placing the order.

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