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| Plano convex lens have one plane and one convex
surface. Plano convex lens is normally made of a medium index
crown glass such as BK7 or B270. Plano convex lens form a moderate
quality image close to the axis . They are generally used as elements
within a more complex lens system or optical instrument. |
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| This is the general standards we offer our customers, UNION OPTICS can supply other lenses meet your requirements, for detail information, please contact us. | ||
| Plano Convex Lens | ||
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| Material: | BK7, Fused Silica | |
| Dimension Tolerance: | +0/-0.1mm | |
| Thickness Tolerance: | ±0.1mm | |
| Surface Quality: | 40/20 scratch and dig | |
| Flatness: | λ/4@632.8nm | |
| Centration: | <3 arc min | |
| Focal Length Tolerance: | ±1% | |
| Clear Aperture: | >90% | |
| Bevel: | 0.2mmX45deg | |
| Coating: | As requested | |
Crystal
Material  Plano
Concave lens |
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| Note: Usually, the material we used is Chinese material unless assigned. If you can not confirm which material is the right one, please contact us. | ||