Optical glass double concave lens

Place of Origin:

Shandong, China

Brand Name:

SYCCO

Model Number:

lens

Material:

Glass

Usage:

Optical

Structure:

Double Concave

Shape:

Other

size:

designed

material:

BK7, H-K9L ,UV fused silica,Corning7980

flatness:

l/4

parallelism:

<1 arc min

surface quality:

40/20

diamension tolerance:

+/-0.1mm

thickness tolerance:

+/-0.1mm

bevel:

0.25mm*45

coating:

optional

clear aperture:

>85%