Optical Navigation Tool Uses Telescope and Mirrors
This page is the CodyCross answer for the clue below from Renaissance, Group 1383, Puzzle 5 (Nautical Compass).
Question is: Optical Navigation Tool Uses Telescope and Mirrors
and the answer is: SEXTANT
Word Meaning:
SEXTANT — (nautical) A navigational device for deriving angular distances between objects so as to determine latitude and longitude.
Definitions from Wiktionary.