| Usage: | Lighting, Optical |
|---|---|
| Type: | Convex Lens |
| Transmittance: | >95% |
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The double concave lenses with the negative focal length, these lenses are used in Beam Expanders, optics image, laser system and so on.
| Substrate Material | optical glass,quartz,pyrex,sapphire,znse,caf2,ge,si,etc. |
| Diameters Available | 2mm to 600mm |
| Diameter Tolerance | +0.00/-0.1 or customer size |
| Surface Quality | 80-50,60-40,40-20,20-10,10-5 |
| Surface Flatness | 1/4lambda or customer design |
| Surface Irregularity (Peak to Valley) | λ/2 or customer design |
| Thickness tolerance | +0.00/-0.05mm |
| Focal length tolerance | +/-1% |
| Clear Aperture | >90% of Diameter |
| Chamfer | 0.05-0.5mmx45degree |
| Centration | 3 arcmin |
| Coating | AR,Mgf2 are on request |
Overseas exhibition
FAQ:
Q: What's the way of shipping and cost?
A:(1) We accept DHL, Fedex, TNT, UPS, EMS etc.
(2) If you have your own express account, it's great.If not,we could help you ship them.
Q: How to pay?
A: T/T, Paypal, etc
Q: What's your MOQ?
A: (1) For inventory, the MOQ is 5pcs.
(2) For customized products, the MOQ is 10pcs-25pcs.
Q: What's the delivery time?
A: (1) For the standard products
For inventory: the delivery is 5 workdays after you place the order.
For customized products: the delivery is 2 or 3 weeks after you place the order.
(2) For the special-shaped products, the delivery is 4 or 6 workweeks after you place the order.
Q: Do you have standard products?
A: Our standard products in stock.
Q: Can I customize the products based on my need?
A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.
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