Production Description* Picture show of our fresnel lens It's one of fresnel lens customized by our customer, we could also manufacture and design other fresnel lens as per your requirement.SpecificationMaterialBK7, Fused Silica, Sapphire etc.Surface Flatnessλ/2 Diameter3-300mmDia.......

| Material | BK7, Fused Silica, Sapphire etc. |
| Surface Flatness | λ/2 |
| Diameter | 3-300mm |
| Dia. Tolerance | +/-0.05mm |
| Thickness tolerance | +/-0.05mm |
| Surface Quality | 60/40 |
| Clear Aperture | 90% |






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