China Optical Roof Prism Amici Glass Roof Prism for Binoculars, Find details about China Roof Prism, Optical Roof Prism from Optical Roof Prism Amici Glass Roof Prism for Binoculars
Dimensional Tolerance | ±0.02mm |
Angle Tolerance | ±5 Arc Seconds |
Surface Flatness | λ/10 |
Surface Quality | 20/10 or better |
Material | BK7/quartz/sapphire/Ge/CaF2/ZnSe .etc |
Bevel | Protective bevel as needed |
Clear Aperture | >90% |