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Color gel
A
color gel
or
color filter
(
British spelling
:
colour gel
or
colour filter
), also known as
lighting gel
or simply
gel
, is a
transparent
colored material that is used in
theater
, event production,
photography
,
videography
and
cinematography
to color light and for
color correction
. Modern gels are thin sheets of
polycarbonate
or
polyester
, placed in front of a
lighting fixture
in the path of the beam.
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