Enter a clue or pattern or both:
The Clue
Optical-instrument part (8 letter answer)
The Answer
EYEPIECE
Tags
Notes
The answer EYEPIECE is rarely seen, appearing only about once every 2400 puzzles.
Related Clues
Lens
Monocle
Telescopic part
Microscope part
It's worth looking into
Definition
EYEPIECE as a noun:
1. (eyepiece, ocular) = combination of lenses at the viewing end of optical instruments