OEM Optical Bi Convex Concave Flipper Lenses For Medicine Area
Why use OEM Optical Bi Convex Concave Flipper Lenses For Medicine Area?
| Name | Bi Convex Concave Flipper Lenses |
| Material | Optical Glass,Float glass |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 |
| Transmission | above 92% |
| Chamfer | 0.1-0.5 mm x 45 degree |
| Focal Length Tolerance | +/-1.5% |
| Back Focal Length Tolerance | +/-1.5% |


