OEM optical double concave lens plano concave lens concave convex lens projector

Place of Origin:

Liaoning, China

Brand Name:

Ebetter

Model Number:

OL

Usage:

Optical

Structure:

Double Concave

Shape:

Spherical

Product name:

Bi-concave lens

Material:

N-BK7/K9

Diameter &Tolerance:

1.0-600±0.02mm

Thickness &Tolerance:

0.5-50±0.02mm

Centration:

30 arc sec

Surface Quality:

20-10

Clear Aperture:

>90%

Accuracy:

1/10Lambda

Coating:

AR coatimg

OEM:

YES