Achromatic Lenses | |
Material | Optical Glass |
Dimension Tolerance | +0/-0.2mm |
Thickness Tolerance | ±0.2mm |
Design Wavelength | 480, 546.1, 643.8nm |
Surface Quality | 60/40 scratch and dig |
Clear Aperture | >90% |
Flatness | |
Centration | <3 arc min |
Focal Length Tolerance | ±2% |
Chamfer | Protective <0.5mmx45° |
Coating | Single layer MgF2 coating @550nm |
Power(fringe@633nm) | <3 |
Irregularity(fringe@633nm) | <0.5 |