China Optical Aspherical Precision Aspheric Lens, Find details about China Crystal, Aspheric Lens from Optical Aspherical Precision Aspheric Lens
Aspheric lenses
Aspheric lens are any lenses whose surface angles and profiles are neither part of a sphere nor part of a cylinder. Conventional or non-asphericlenses have the same curve across their entire surface, like a ping-pong ball.Asphericlenses accomplish the same amount of refraction but are flatter and slimmer.
1. Product specification
1.Material:bk7,k9,b270,fused silica,sapphire,znse,caf2.
2.Dia.4mm to 200mm
3.Surace quality:60-40
4.flatness;1/4lambda (general standard)
5.CA:85%
6.Tol.:+/-0.1(general standard)
7.Centeration:30seconds
8.Chanfer:0.2mmx45 degree
Coatings 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.