04 Mag Lenti sferiche
Posted at 21:50h
in Lenti sferiche
- Piano convesse
- Piano concave
- Bi-concave
- Bi-convesse
- Menisco positivo
- Menisco negativo
| Specification | Standard quality | Precision quality | High precision quality |
|---|---|---|---|
| Material | H-BK7, H-K9L, Fused silica, quartz and other optical glasses | ||
| Diameters | 2mm ~ 300mm | 2mm ~ 300mm | 2mm ~ 300mm |
| Diameter tolerance | ±0.1mm | ±0.05mm | ±0.02mm |
| Paraxial focal length tollerance | ±2% better on request | ||
| Centration | <3' | <1' | <30" |
| Clear aperture | >80% (Small size) - >95% (Large size) | ||
| Surface figure | <λ/1.5 | <λ/4 | <λ/4 |
| Irregularity | λ/2 | λ/4 | λ/10 |
| Surface quality S/D | 60/40 | 20/10 | 10/5 |
| Bevel | <0.25mm*45° | ||
| Coating | Uncoated, AR, HR, PR, other coatings on request | ||
| Production capacity | >500K/pz per month | ||