Prefix with "scope," used to mean an instrument used in submarines Crossword Clue

Some levels in Crossword Explorer are difficult, so we decided to make this guide, which can help you with “Prefix with “scope,” used to mean an instrument used in submarines” crossword clue answers if you can’t pass it by yourself. 

Prefix with “scope,” used to mean an instrument used in submarines Crossword Clue Answers

• PERI