China N-Bk7 or Fused Silica Porro Prism, Find details about China Deviate Beam, Angle from N-Bk7 or Fused Silica Porro Prism
Material: | H-K9L, Fused Silica |
Surface Quality: | 10/5~60/40 |
Surface Flatness: | λ/4 or λ/8@633nm |
Angles: | <±3 arc min (Standard) |
<±10 arc sec (High Precision) | |
Clear Aperture: | ≥central 80% |