Hot sale 4mm quartz glass optical ball lens

Place of Origin:

Jilin, China

Brand Name:

Worldhawk

Model Number:

WH-BL

Usage:

Optical

Structure:

spherical

Shape:

BALL

Material:

quartz

Diameter:

4mm

Dia.tolerance:

+/-0.05mm

Surface quality:

60/40

Clear Aperture:

>92%

Centration:

3 arc min or better

Coating:

None