Noun
apochromat (plural apochromats)
(optics) A kind of lens corrected for chromatic and spherical aberration.
An apochromat is a lens or lens system with even better chromatic aberration correction, combined with improved spherical aberration correction. Source: Internet
By combining more than two lenses of different composition, the degree of correction can be further increased, as seen in an apochromatic lens or apochromat. Source: Internet
Luminescence - Apochromat - For transmitted light - LOMO - Objectives - MicroscopesJavaScript seems to be disabled in your browser. Source: Internet