Crossword puzzle clue "devices in optical instruments"

Here are the possible solutions for devices in optical instruments clue

Answer
Clue
Relevancy
lenses
Clue
Devices in optical instruments
Definition
LENS, to make a film of
prisms
Clue
Optical devices
Definition
PRISM, (Greek) a solid figure of which the two ends are similar, equal, and parallel rectilineal figures, and the sides parallelograms
aas
Clue
Batteries in optical mice
Definition
AA, (Hawaiian) a volcanic rock consisting of angular blocks of lava with a very rough surface
aorb
Clue
Optical illusion question, "Which is longer, ___?"
Optical illusion query, “Which is longer, ___?”
'Which is longer, --?' (optical illusion question)
aperture
Clue
Optical opening
Definition
an opening
apertures
Clue
Optical openings
Definition
APERTURE, an opening

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