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. Other coatings are also available as per customer specifications.

The dimensions available for PCV01-002 are Diameter: 6mm, Effective Focal Length: -15mm, Back Focal Length: -16.3mm, Center Thickness: 2mm, Edge Thickness: 2.5mm, Radius R1: -7.75mm. Other dimensions are also available as per customer specifications.

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