wholesale round polished optical quartz glass hemisphere

Place of Origin:

Jilin, China

Brand Name:

Worldhawk

Model Number:

WH-BL

Usage:

Optical

Structure:

round

Shape:

BALL

Diameter:

1.0-150mm

Dia.tolerance:

+/-0.002mm

Ellipticity:

+/-0.001mm

Surface Quality:

60/40, 40/20 or better

Clear Aperture:

≥92%

Centration:

3 arc min or better

Focal length tolerance:

+/-1% (+/-5% for 400 series)

Roundness:

0.003-0.005