07 May Periscope prism
Posted at 20:48h
in Periscope prism
Large dimensions prisms commonly utilized for periscope used on tanks, submarines special carriers…
| Technical parameters | Commercial grade | Precision grade | High precision grade |
|---|---|---|---|
| Dimension range | 100-600mm | 100-600mm | 100-600mm |
| Dimension tolerance | ±0.1mm | ±0.025mm | ±0.01mm |
| Thickness tolerance | ±0.1mm | ±0.025mm | ±0.01mm |
| Angle tolerance | ±10' | ±1' | ±30" |
| Surface quality | 60-40 | 40-20 | 20-10 |
| Bevelling | 0.1-0.5mmx45° | ||
| Substrate | K9 / Fused silica and other optical glasses | ||