| Answer | Crossword Clue |
|---|---|
| aplanatically | APLANATIC, of a lens, free of spherical aberration |
| Answer | Crossword Clue |
|---|---|
| aplanatically | APLANATIC, of a lens, free of spherical aberration |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.