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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% |