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Help CenterOptical Symmetric Concave Lenses
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Specifications
1.high accuracy2.reasonable price
3.high quality
4.This is widely used for focusing and the formation of imag
Specifications
Biconcave Lenses have negative focal lengths. They are often used to expand light or increase focal lengths in existing systems.
1)Flat base as Aspheric design with normal base price.
2)Super hard and hydrophobic protection.
3)More suitable for European
Specification:
| Material | BK7, H-K9L ,UV fused silica,Corning7980 |
| focal length | +/-2% |
| Diameter | 5-120mm +0.0/-0.2 |
| Center thickness | 1.2-60mm +/-0.1 |
| Centering Accuracy | 3' |
| Figure (sphericity) | 1~5 |
| Surface Quality | 10-5,40-20,60/40 |
| Coating | optional |
There are other products supplied.
Our company:
We are an manufacturer and have our own factory.Our main lens are plano concave and convex,double concave,double convex, cylindrical lens ,mensicus lens etc, we believe you can get superior products and best service.
We are specialized in the production of various specifications of optical components according to the customers' demand, And we are committed our standard more than eight years to offering our customers with excellent products, reasonable prices and high level of service.
Welcome to China and visit our factory. Hope that our cooperation ever lasting!
our production engineering :
Technology research and development:
Overseas exhibition :
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