Diameter Available 3mm – 70.80mm

Diameter |Tolerance 0/0.05mm

Thickness Tolerance /0.05mm

Focal Length Tolerance /-2%

Surface Accuracy L/4 irregularity @632.8nm

Surface Quality 40-20 SD

Centration <3 arc min

Clear Aperture >90%

Bevel   Protective bevel

Material BK7, SF11 other optical glass

AR coating and BBAR

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