Material: BK7

Design Wavelength: 587.6nm

Diameter Tolerance: +0.0/-0.1mm

Center Thickness Tolerance: ±0.2mm

Surface Figure: λ/4 @633nm

Focal Length Tolerance: ±1%

Centration: 3 arc min.

Surface Quality: 40/20(Dia≤25.4)

60/40(Dia>25.4)

Bevel: 0.3mm x 45°(Dia≤50.8)

0.4mmx45°(Dia>50.8)

Coating: Customized