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| BiConvex lenses are one of the most simple lenses,
but good quality, glass lenses with both faces convex and spherical.
BiConvex lenses are widely used for moderate quality imaging
and also for focussing and control of laser beams. Generally BiConvex
lenses have both surfaces with the same curvature. |
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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. | ||
| BiConvex 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 | |
Plano Concave lens  BiConcave 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. | ||