bak4 k9 Dia 3mm Optical glass ball lens, sphere lenses, half sphere lenses

Place of Origin:

Shandong, China

Brand Name:

SYCCO

Model Number:

Customization

Material:

Glass, JGS1,K9,B270,7980.N-BK7,k9 black glass , sapphire

Usage:

Optical

Structure:

sphere lenses

Shape:

Spherical

Size:

customer's design

Dimension Tolerance:

diameter Minimum±0.1mm

Surface quality:

40/20

Surface Accuracy:

Lmbda/4 - 2Lambda

Clear Aperture:

>85%

Centration:

3 arc minutes

Diameter Ellipticity:

< +/-1mm

Sphericity:

<0.005mm

Coating:

customer's design