Specifications | |
Antireflection Coating | User Specified |
Center Thickness | tc±0.2 mm |
Centration | ≤ 3 arc minutes |
Chamfer | 0.25–0.50 mm at 45° |
Clear Aperture (CA) | ≥ 90% of central diameter |
Diameter | φ+0/-0.10 mm |
Optical Material | N-BK7 |
Paraxial Focal Length | f±2%, (±4% for LDX-5.0-4.3-C) |
Surface Irregularity | λ/2 p-v at 633 nm before coating (applies to any |
Surface Quality | 60-40 scratch and dig |