| Company
Name:kaiyuan optics co,ltd |
Biconcave Lenses have negative focal lengths. They are often used to expand light or increase focal lengths in existing systems.
Specification:
Material: Crown glass, high index glass, or custom materials
Focal length: +/-1%
Diameter: +0.0/-0.03
Center thickness: +/-0.05
Centering Accuracy: 1'
Figure (sphericity): 1~3
Surface Quality: 40/20
Coating: Optional
|
| Company Name: |
kaiyuan optics co,ltd |
| Address: |
1 LiJiang Road |
| Contact Person: |
ken.ye |
| Tel: |
86 758 3835507 |
| Fax: |
86 758 3286760 |
| E-mail: |
|
| IP: |
125.90.242.18 (2008-03-04 18:13:00) |
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