The superachromat, or superachromatic lens, was first conceived and developed by Maximilian Herzberger as the ultimate well-corrected lens. The color shift curve of a superachromat is quartic, meaning that, in theory, four separate colors can be brought to focus in the same plane, while simultaneously correcting spherical aberration and field aberrations.
The superachromat, or superachromatic lens, was first conceived and developed by Maximilian Herzberger as the ultimate well-corrected lens. The color shift curve of a superachromat is quartic, meaning that, in theory, four separate colors can be brought to focus in the same plane, while simultaneously correcting spherical aberration and field aberrations.
Source: Wikipedia "Superachromat" · CC BY-SA 4.0
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