Adjustable diaphragm

This crossword clue is for the definition: Adjustable diaphragm.
it’s A 20 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Adjustable diaphragm crossword” or “Adjustable diaphragm crossword clue”. The possible answerss for Adjustable diaphragm are listed below.

Did you find what you needed?
We hope you did!.

Possible Answers: IRIS.

Last seen on: Wall Street Journal Crossword – December 15 2022 – About Face