Material: BK7, K9, quartz, germanium, silicon, etc. optical glass

Size: 5-190mm (according to customer requirements)

Dimension error: +0.0/-0.1mm

Center thickness error: ±0.1mm

Focal length error: ±1%

Surface accuracy: 3 (0.5)

Smoothness: 40/20

Chamfering: according to customer requirements

Coating: according to customer requirements