Round Glass Lens, Spherical Glass Lenses
Specifications
1,Materialkinds of different optical glass2,With achromatization effect
3,Good imaging effect

We can make different round lenses with kinds of materials and specifications according to customer's specific requirements.
Specifications:
| Diameter | 3 - 100mm |
| Thickness | 1 - 5mm |
| Diameter tolerance | 1mm |
| Thickness tolerance | 0.05mm |
| Edge | ground or finished |
| Bevel | 0.25 x 45 |
| Flatness | λ/2 per inch at 633nm |
| Parallelism | <3 |
| Surface quality | 60/40 |
| Clear aperture | ≥85% |
| Coating | according to your requests |
| Material | BK7, sapphire, fused silica, quartz, Ge, Si, MgF2, CaF2 |
Remarks: The above parameters are only for the normal optics' reference basis. Concrete specifications will be different according to different materials and dimensions.
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