Product model table
(Find the product number of the product you want in the form, and select the product number from the above options to purchase.）
| Material | BK7, Fused Silica |
| Diameter Tolerance | +0/-0.05mm |
| Length Tolerance | ±0.2mm |
| Surface Quality | 60/40 scratch and dig |
| Clear Aperture | >90% |
| Polish | Cylindrical surface polished, end surface ground |
| Coating | None, available |
