A1P3O1C3H4R1O1M3A1T1
19 points
APOCHROMAT is validvalid
a type of lens that corrects chromatic and spherical aberration [n APOCHROMATS]
an apochromatic lens or instrument [n -S]
a type of lens that corrects chromatic and spherical aberration [n APOCHROMATS]
an apochromatic lens or instrument [n -S]