Associations to the word «Aplanat»
Wiktionary
APLANAT, noun. (optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
Wise words
Words - so innocent and powerless as they are, as standing
in a dictionary, how potent for good and evil they become in
the hands of one who knows how to combine them.