Optical Special Shape Cylindrical Glass Fresnel Lens

Place of Origin:

Jilin, China

Brand Name:

SUNDAY

Model Number:

SS-p-02

Material:

Glass, N-BK7,H-K9L,Sapphire,Fused Silica(JGS1),Caf2,ZnSe,Si,Ge,etc..

Usage:

Optical

Structure:

Double Concave

Shape:

Cylindrical

Diameter:

2mm to 500mm

Diameter Tolerance:

+0.00/-0.1 or customer size

Surface Quality:

80/50 to 10/5

Flatness:

1 lambda to 1/10 lambda

Thickness Tolerance:

+0.00/-0.05mm

Focal Length Tolerance:

+/-1%

Clear Aperture:

>90% of diameter

Centration:

<3arcmin

Coating:

Single Mag2, Multiple Layers AR Coating