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| Usage: | Lighting, Optical |
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| Type: | Concave Lens |
| Transmittance: | >95% |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Diameters Available | 2mm to 500mm |
| Diameter Tolerance | +0.00/-0.1 or customer size |
| Surface Quality | 80-50,60-40,40-20,20-10,10-5 |
| Thickness Tolerance | +0.00/-0.05 mm |
| Focal Length Tolerance | +/-1% |
| Surface Flatness | 1/4lambda or customer design |
| Clear Aperture | >90% of Diameter |
| Chamfer | 0.05-0.5mmx45degree |
| Centration | 3 arc min |
| Coating | AR, Mgf2 are on request |
Processing capacity
1. More than 20 years of experience in the processing and production of super-hard and brittle materials;
2. A wide range of machinable materials, including super hard and brittle materials such as rare earth permanent magnets, ceramics, crystals, and gems;
3. Combining watch gems and optical cold processing technology to upgrade the accuracy level of traditional mechanical processing in magnetic material processing;
4. The guarantee of huge production capacity and fast delivery ability;
5. The product application industry is wide, which is conducive to the innovation of cross-border technology;
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