Round fresnel collimating lens for photochromic lens tester

Place of Origin:

Shanghai, China

Brand Name:

HENGXIANG

Model Number:

Round fresnel collimating lens for photochromic lens tester

Material:

BK7, BK7, silicon, germanium,sapphire, BK7, BK7, silicon, germanium,sapphire

Usage:

Infrared, Photoelectric device, Armarium, Teaching apparatus,etc.

Structure:

Plano-convex, Flat-convex, flat-concave, double-concave, concave-convex

Shape:

according to your requirements, concave, convex,flat

Brand:

HENGXIANG

Diameter:

according to custom's requirements

Precision:

N=2 , N=0.5 , B=40/20 , C=0.01

Thickness:

according to your requirements

Wavelength:

according to your drawings

Surface quality:

60/40(according to your requirements)