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Contact Us
- Contact Person : Ms. Teresa
- Company Name : Yangzhou Huasheng Optical Instrument Factory
- Tel : 86-0-13101958716
- Fax : 86-514-87961697
- Address : Jiangsu,Yangzhou,No. 8, Zhenxing Road
- Country/Region : China
- Zip : 225009
Biconcave lenses
Product Detailed
Related Categories:Lenses
Detailed Product Description
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: +/-2%
Diameter: +0.0/-0.2
Center thickness: +/-0.1
Centering Accuracy: 3'
Figure (sphericity): 1~5
Surface Quality: 60/40
Coating: optional
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