Associations to the word «Afocal»

Wiktionary

AFOCAL, adjective. (optics) (of an imaging system) Not focused
AFOCAL, adjective. (optics) (of a lens) Neither concave or convex (focal point at infinity)

Wise words

We should have a great fewer disputes in the world if words were taken for what they are, the signs of our ideas only, and not for things themselves.
John Locke