Achromatic lenses are cemented with two lenses mainly used to reduced values of spherical aberration, coma and chromatic aberration. Sunday offer positive achromatic lenses and negative achromatic lens with coatings
Manufacture Specifications.
Diameter | 0.5mm to 600mm |
Diameter Tolerance | +0.00/-0.1 or customer size |
Material | N-BK7, H-K9L, Sapphire, Fused Silica(JGS1), Caf2, ZnSe, Si, Ge, etc. |
Surface Quality | 80-50 to 10/5 |
Flatness | 1 lambda to 1/10 lambda |
Thickness Tolerance | +0.00/-0.05mm |
Focal Length Tolerance | +/-1% |
Centration | |
Coating | Single Mag2, Multiple Layers AR Coating A:350-650nm B:650-1050nm C:1050-1585nm |