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The plano-concave lenses are made from various material, which are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths. These lenses diverge collimated incident light. They form virtual images which are seen through the lens. They are often used to expand light or to increase focal lengths in existing systems. We also offer precision grade plano concave lens with tighter manufacturing tolerances.
Technical parameters:Wavelength 632.8nm,Focal length tolerance ±1%,Diameter tolerance +0.0/-0.1mm,Thickness tolerance ±0.1mm,Surface accuracy λ/4,Surface quality 40-20,Centration �arcmin,Clear aperture�0%,Bevelling �.2×45°,Coating A: AR Coating 350nm-650nm;B: AR Coating 650nm-1050nm;C: AR Coating 1050nm-1580nm. |
| Company: |
Jinlin Tianhua Opto-electrical Technology Development Co,.ltd.
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| Contact: |
Ms. Jessie Sun |
| Address: |
Torch road 286,High Technology district |
| Postcode: |
130012 |
| Tel: |
86-431-85175526 |
| Fax: |
86-431-85179189 |
| E-mail: |
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