Angle Tolerance：< 3’
Surface Quality: 40/20
Bevel: < 0.2mm×45°
Coating : Custom Design
Highly recommended Penta Prism from Yutai Optics:
H-K9L(BK7) Penta Prisms,
UV Fused Silica Penta Prisms,
Penta Prisms with AR and HR/Metallic coating,
Protected Aluminum with black paint penta prisms,
Penta Beamsplitters( glued by one right angle prism and one penta prism),
Half Penta Prisms.
Optical system alignment.