Product Description

Diameter Available: 1.5mm--200mm
Diameter Tolerance: +0/-0.05mm
Thickness Tolerance: +/-0.05mm
Focal Length Tolerance: +/-1%
Surface Accuracy: /4 irregularity at 632.8nm
Surface Quality: 20/10
Centration: 3 arc min
Clear Aperture: 90%
Bevel: Protective bevel
Material: BK7, Fused silica, Sapphire，Si，Ge  and other optical glass
Coating: AR coating or BBAR coating

Payment Terms︰ TT/LC

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