04 May Aspherical lens
Posted at 23:08h
in Aspherical and free form lens
- Aspheric lens surface reduce the spherical aberration
- Low cost for OEM applications
- High surface quality
- Higher NA respect a spherical lens
| Specification | Standard quality | Precision quality | High precision quality |
|---|---|---|---|
| Material | Optical glasses, quartz and other optical materials | ||
| Diameters | 5mm ~ 200mm | 5mm ~ 200mm | 5mm ~ 200mm |
| Diameter tolerance | ±0.2mm | ±0.05mm | ±0.02mm |
| Centration | <3' | <1' | <30" |
| Form error aspherical surface | ±0.5µm | ±0.3µm | ±0.2µm |
| Surface figure | <λ/1.5 | <λ/4 | <λ/4 |
| Irregularity | λ/4 | λ/8 | λ/10 |
| Surface quality S/D | 60/40 | 20/10 | 10/5 |
| Bevel | <0.25mm*45° | ||
| Coating | Uncoated, AR, HR, PR, other coating on request | ||
| Production capacity | 1500/pz per month | ||