While searching our database we found 1 possible solution for the: Diaphragm that controls the size of the pupil (4) crossword clue. This crossword clue was last seen on 10 January 2023 The Guardian Quick Crossword puzzle. The solution we have for Diaphragm that controls the size of the pupil (4) has a total of 4 letters.
Answer
1I
2R
3I
4S
If you have already solved this crossword clue and are looking for the main post then head over to The Guardian Quick Crossword 10 January 2023 Answers