Product Name:Bi-Concave Lens
Note:
Design Wavelength: 546.1nm
Design Index: 1.5187
Diameter Tolerance: +0/-0.1mm
Focal Length: ±2%
Centration: < 3 arc minutes
Clear Aperture: >85%
Surface Figure: l/4 632.8nm
Surface Quality:
Bevel: 0.2mm to 0.5mm×45°