Manufacture colorless optical circle protective B270 glass

Place of Origin:

Jiangsu, China

Brand Name:

subei

Model Number:

B270

Use:

Optical Instruments

Size:

3-300mm

Transmistance:

>90%

Size Tolerence:

+-0.02mm

Thickness:

0.2-30mm

Surface quality:

60/40

Flatness:

1/4 wavefront

Parallelism:

3-5 arc minutes

Glass Type:

Germany B270

Coating and Harden:

as required

Bevel:

0.1~0.3mm