Lens Type: | Plano-Convex |
Lens Material: | Optical glass K9, Quartz, Fused quartz, BK7, sapphire |
Coating: | Uncoating or AR-coating |
Surface Quality: | 20-10 scratch-dig |
Surface Flatness: | λ/8 |
Chamfers: | 0-0.8 mm face width |
Chamfers Angle/Tolerance: | 45° ±15°, typical |
Clear Aperture: | ≥central 90% of diameter |