Apochromat

Chromatic aberration of a single lens causes different wavelengths of light to have differing focal lengths.

Focus error for four types of lens, over the visible and near infrared spectrum.

An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses.

单词	Apochromat lens
释义	Apochromat lens 英语百科 Apochromat An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses.
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Apochromat lens

Apochromat