Optical Lens
Frame and Handle
Custom Magnification
Scratch-resistant
Child-friendly Design
Magnification and Observation
Educational Tool
| Name | optical glass |
| Material | Optical Glass, Bk-7, Pyrex, Fused Silica |
| Diameter Tolerance | +0/-0.2 mm |
| Thickness Tolerance | +/-0.2 mm |
| Cler Aperture | over 90% |
| Flatness | ^/4 @632.8nm |
| Surface Quality | 80/50~10/5 scratch and dig |
| Transmission | above 92% |
| Chamfer | 0.1-0.3 mm x 45 degree |
| Coating | available |
| Usage | optical system, photographic sysem, Lighting system,Electronic apparatus, e.g. laser, camera, monitor, projector, magnifier, telescope, polarizer, electronic instrument, led lighting etc. |


