Tubular Optical Instrument With Prisms

This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1198, Puzzle 3 (Utility Belt).

Question is: Tubular Optical Instrument With Prisms

and the answer is: PERISCOPE

Word Meaning:

PERISCOPE — A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility.

Definitions from Wiktionary.

Tubular optical instrument with prisms — CodyCross Answer | CodyCross Solutions