| Key Features |
Substrate Material: BK7 glass |
Shap: Spherical P-Concave, P-Convex, Bi-concave, Bi-convex, Concave-Convex or Aspheric |
Surface Figure: l/10 at 633nm before coating |
Surface Quality: 10-5 Shanghai Optics Laser Quality |
Dimensional Tolerance: + 0.00mm, - 0.25mm |
Thickness Tolerance: +/- 0.25mm |
Chamfer: 0.35mm at 45° typical |
Concentricity: 0.05mm |
Focal Length Tolerance: +/- 0.5% typical |
Clear Aperture: Exceeds central 85% of dimension |