Here are the possible solutions for optical instrument part clue
Answer
Clue
Relevancy
eyepiece
Clue
Optical-instrument part
Definition
the lens nearest the eye in an optical instrument
lens
Clue
Optical-instrument part
Camera's optical part
Definition
a piece of transparent matter with one or both surfaces curved to cause regular convergence or divergence of rays passing through it
laser
Clue
Optical instrument
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
reticle
Clue
Grid of fine lines in an optical instrument's focus
Grid in the eyepiece of an optical instrument
Definition
a network of lines in the eyepiece of an optical instrument
tethysscope
Clue
Optical instrument pointed at a moon of Saturn?
aas
Clue
Batteries in optical mice
Definition
AA, (Hawaiian) a volcanic rock consisting of angular blocks of lava with a very rough surface
