Product specification
| Place of Origin | Jiangsu, China |
| Brand | RISEE/OEM |
| Lenses Material | Resin MR-7 |
| Lenses Color | Photochromic grey and brown |
| Refractive Index | 1.67 |
| Diameter | 70/75 |
| Abbe Value | 32 |
| Base Curve | 50B/200B/400B/500B/600B/800B/900B/1000B/1100B |
| Transmittance | >97% |
| Coating Choice | UC/HC/HMC/SHMC |
| Coating color | Green, Blue, Gold |
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