Spheric Lens
Description:
Core Optronics supplies the following Spheric lenses:
Spheric plano-convex lenses;
Spheric plano-concave lenses;
Spheric Double-convex, lenses;
Spheric Double-concave lenses;
Meniscus lenses.
Specifications:
| Material | N-BK7, H-K9L, Fused Silica, N-SF10, Silicon, CaF2, Sapphire, etc. |
| Typical Diameter (Фmm) | 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8, etc. |
| Diameter Tolerance (mm) | +0.0/-0.2 (General), +0.0/-0.02 (High Precision) |
| Paraxial Focal Length Tolerance (mm) | ±2% |
| Centration | <3 arc min |
| Clear Aperture | >80% (Small Size), >95% (Large Size) |
| Surface Figure (per 25mm @ 633nm) | <1.5λ(General), <λ/4 (High Precision) |
| IRR ( @633nm) | <λ/4 (General), <λ/10 (High Precision) |
| Surface Quality: scratch/dig | 60/40 (General), 10/5 (High Precision) |
| Bevel (face width x 450) | <0.25mm |
| Coating | upon customer’s request |