Back Apochromat German Lente apocromática Spanish Triplet apochromatique French עדשה אפוכרומטית HE Lensa apokromatik ID Apocromatico Italian アポクロマート Japanese 아포크로매틱 렌즈 Korean Апохромат Kirghiz Apochromaat Dutch
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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.
The prefix apo- comes from the Greek preposition ἀπό-, meaning free from or away from.