Gregorian telescope
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Gregorian telescope Definition
(n)
a
reflecting
telescope
that
has
a
paraboloidal
primary
mirror
and
a
hyperboloidal
secondary
mirror
;
light
is
brought
to
a
focus
through
an
aperture
in
the
center
of
the
primary
mirror
Gregorian telescope Synonyms
Cassegrainian telescope
Gregorian telescope
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