BK7 optical biconcave lens biconvex lens

Place of Origin:

Jilin, China

Brand Name:

Juncheng

Model Number:

Customization

Material:

Glass

Usage:

Optical

Structure:

Double Concave

Shape:

Spherical

Dimension:

1.0mm-200.0 mm

Surface quality:

40-20

Focus Length:

1mm-100000mm

Focal Length Tolerance:

±1%

Dimension Tolerance:

+0.0/-0.1mm

Thickness Tolerance:

±0.1mm

Surface Accuracy:

1/4

Centration:

<3'

Clear Aperture:

>90%

Bevelling:

<0.2x45°