Frequently Asked Questions

N-BK7 PlanoConcave Lenses are mainly used in diverging parallel light.

BK7 material has high transmittance from visible light to near infrared (350-2000nm).

The available sizes of the lenses are listed in the ALPV01 table, ranging from 4.0mm to 50.0mm in diameter.

Yes, in addition to N-BK7, we can also supply CaF2, Fused Silica, ZnSe substrate PCV lenses with customized size and coatings available.

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