Specification :

Material: BK7 grade A, fused silica or other optical glass upon requests
Dimension tolerance: +0.0, -0.2mm
Clear aperture: >80%
Angle tolerance: 10arcsec to 5arcmin
Flatness: Labmda/2, Lambda/4 or Lambda/8 at 633nm
Surface quality: 60-40,40/20 or 20/10 scratch and dig
Bevel: 0.2mm to 0.5mm
Coating: AR coating or Customer design
Phody Optics Co.,Ltd. is fully committed to designing and making all kinds of optical components for customer special use.