Meaning of collimator
Definition of collimator
(noun)
a
small
telescope
attached
to a
large
telescope
to use in
setting
the
line
of the
larger
one
optical
device
consisting of a
tube
containing a
convex
achromatic
lens
at one end and a
slit
at the
other
with the
slit
at the
focus
of the lens;
light
rays
leave
the
slit
as a
parallel
beam
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collimator
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collimator
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