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Definition of Apochromatic
1. Adjective. Corrected for both chromatic and spherical aberration. "An apochromatic lens"
Definition of Apochromatic
1. a. Free from chromatic and spherical aberration; -- said esp. of a lens in which rays of three or more colors are brought to the same focus, the degree of achromatism thus obtained being more complete than where two rays only are thus focused, as in the ordinary achromatic objective.
Definition of Apochromatic
1. Adjective. (optics) Corrected for both chromatic aberration and spherical aberration. ¹
¹ Source: wiktionary.com
Definition of Apochromatic
1. [adj]