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- Contact Person : Mr. Chen Sam
- Company Name : Fuzhou WTS Photonics Co., Ltd.
- Tel : 86-591-83626970
- Fax : 86-591-83623921
- Address : Fujian,Fuzhou,B2-602 Xinyuan building, No. 616 Jinshan Boulevard
- Country/Region : China
- Zip : 350011
reading glasses lens
Product Detailed
Related Categories:Lenses
reading glasses lens is best used where one conjugate point is more than five times the other.
reading glasses lens
Specifications:
reading glasses lens Material: | Grade A optical glass or Fused Silica |
| Dimension Tolerance: | ±0.1mm(Standard), ±0.05mm(High Precision) |
| Center Thickness Tolerance: | ±0.1mm(Standard), ±0.05mm(High Precision) |
| Paraxial Focal Length: | ±2% |
| Surface quality: | 60/40(Standard), 20/10(High Precision) |
| Clear Aperture: | >85% |
| Surface Figure: | λ/2(Standard), λ/4(High Precision) @633nm |
| Centration: | 3 arc minutes |
| Bevel: | <0.25mm×45° |
| Coating: | Upon requirement |
reading glasses lens
