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Achromatic lenses have considerably reduced values of spherical aberration, Coma and chromatic aberration.
They are used to replace single components where performance must be improved.
| Material: |
combination of two optical grade glasses |
| Surface Accuracy: |
standard to l/5 |
| Surface Quality: |
standard to high precision 10-5 |
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| Standard Specifications |
| Diameter Tolerance: |
+ 0.0/- 0.1 mm |
| Thickness Tolerance: |
±0.1 mm |
| Clear Aperture: |
> 90% central |
| Surface Accuracy: |
l/2 at 632.8nm |
| Surface Quality: |
scratch-dig 40-20 |
| Chamfer: |
< 0.25 mm at 45o |
| Antireflection Coating: |
single layer, multi-layer, V-Coating,
broadband, customer specified |
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