Transparent polygonal solid found in binoculars and periscopes

Let's find possible answers to "Transparent polygonal solid found in binoculars and periscopes" crossword clue. First of all, we will look for a few extra hints for this entry: Transparent polygonal solid found in binoculars and periscopes. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.