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optical glass
optical grep
optical illusion
optical instrument
optical isomerism
optical lens
Optical Mark Reader
optical maser
optical mouse
optical opacity
Optical parallax
optical phenomenon
optical prism
optical pyrometer
Optical square
Optical Storage Technology Association
-- optical telescope --
Optical Time Domain Reflectometer
Optical Time Domain Reflectometry
Optically
Optically active
Optically positive
Optician
Optics
Optigraph
Optima est lex
Optimacy
optimal
optimally
Optimam esse legem
Optimate
Optimates
Optime
optical telescope
Noun
1.
optical telescope
-
an
astronomical
telescope
designed
to
collect
and
record
light
from
cosmic
sources
astronomical
telescope
,
eyepiece
,
object
glass
,
objective
,
ocular
,
reflecting
telescope
,
reflector
,
refracting
telescope
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