Shanghai Longway Special Glass Co., Ltd.
Shanghai Longway Special Glass Co., Ltd.
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It is designed to enlarge objects or images, making them appear larger than they actually are. The convex shape allows it to focus light rays from an object onto the retina, creating the illusion of increased size;
Key Benefits:
Ideal Applications:
| Name | optical lens |
| Material | Bk-7,Pyrex,Fused Silica |
| Diameter Tolerance | +0/-0.2 mm |
| Thickness Tolerance | +/-0.2 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 scratch and dig |
| Transmission | above 92% |
| Chamfer | 0.1-0.3 mm x 45 degree |
| Coating | available |
