Negative Achromatic Doublet Lens
Product Description
Negative Achromatic Doublet Lens
Negative Achromatic Lenses
Consisting of two optical elements cemented together, negative achromats are corrected for color and on-axis aberrations. Used predominantly as Barlow lenses to extend focal lengths, they are often combined with positive achromatic mirror systems and imaging lenses. |
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Achromatic Lenses
+ Parameter
| Diameter |
5~150mm |
| Diameter Tolerance |
+/-0.1mm, +/-0.05mm |
| Thickness Tolerance ( center, edge) |
+/-0.1mm, +/-0.05mm |
| Focus Length Tolerance |
+/-1% ~0.5% |
| Surface Accuracy |
1lambda , 1/4 lambda |
| Surface Quality |
60-40, 40-20 or better |
| Centration |
5'~1' |
| Clear Aperture |
85% ~95% |
| Chamfer |
0.1~0.3mm x 45degree |
| Coating |
Accroding to customer's requirement |
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What can we do for you ?
Achromatic Lenses
Cemented Achromatic Doublets
Cemented Achromatic Triplets
Achromatic Doublet Pairs
Air-Spaced Achromatic Doublets
Negative Achromatic Lenses
Achromatic Cylindrical Lenses
Aspherized Achromatic Lenses
Near UV Achromatic Lenses
Near-IR (NIR) Achromatic Lenses
UV-to-NIR Corrected Triplets
Mounted Achromatic Pairs
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