Crossword clue: a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument

The most common answer is graticule (9 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

graticule 9 letters wn-def

a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument

reticle 7 letters wn-def

a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument

reticule 8 letters wn-def

a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument