Enter a clue or pattern or both:
The Clue
It's hard to see through (7 letter answer)
The Answer
PINHOLE
Tags
Notes
The answer PINHOLE is rarely seen, appearing only about once every 1800 puzzles.
Related Clues
Film flaw
Tiny aperture
Tiny opening
Tiny puncture
Camera obscura feature
A poster may have one
It admits very little light
Definition
PINHOLE as a noun:
1. a small puncture that might have been made by a pin