Specifications:
Material:BK7,quartz
Diameter Tolerance:±0.1mm
Angular Tolerance:±3'
Surface Accuracy:λ/4@632.8nm
Surface Quality:40-20
Clear Aperture:>90%
Bevelling:<0.2×45°
Coating:Custom Design
Highly recommended Roof Prisms from Yutai Optics:
H-K9L(BK7) Roof Prisms,
Fused silica Roof Prisms,
Roof prisms with Silver Coating.