Yangzhou UJ Optical Element Co.,Ltd.

Optical glass biconcave lens double concave lens

    Optical glass biconcave lens double concave lens
DETAILS
 

Yangzhou UJ Optical Element provide kinds of optical glass lens as follows:

plano convex lens, 

double convex lens, 

plano concave lens, 

double concave lens, 

concave convex meniscus lens, 

achromatic lens, 

rod lens. 

In stock and customized.

Material including colorless optical glass, fused silica. 

We can also provide various optical coating services for lenses.

UJ optics optical glass lens.jpg

Parameters for optical glass double concave lens
MaterialBK7, fused silica or other colorless optical glass
Dimension Tolerance+0.0/-0.2mm
Thickness Tolerance±0.2mm
Centration<3'
Clear Aperture
>90%
Focal length±2%
Flatness<λ/4@632.8nm
Surface Quality S/D60/40
ChamferProtective
Double Concave Lens series in stock
No.MaterialDiameter(mm)Focal length(mm)Center Thickness(mm)Edge Thickness(mm)Coating(nm)
1N-BK710-16.6934.4AR coating
2N-BK711-19.3731.6
2.88AR coating
3N-BK730-10035.16No
4N-BK740-10025.88No
5N-BK770-150310.95No
6N-BK780-100318.7No
Other sizes and coating can also be customized. 
UJ optics welcome your inquiry.



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