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OVERVIEW :
CPL Filter Circular
Polarizer Filter for DJI Phantom 4 Phantom 3 Advanced/Professional/Standard
(P3/4-CPL)
A polarizing filter or
polarising filter is often placed in front of the camera lens in photography in
order to darken skies, manage reflections, or suppress glare from the surface
of lakes or the sea. Since reflections (and sky-light) tend to be at least
partially linearly-polarized, a linear polarizer can be used to change the
balance of the light in the photograph. The rotational orientation of the
filter is adjusted for the preferred artistic effect. For modern cameras, a
circular polarizer is typically used; this comprises firstly a linear polarizer
which performs the artistic function just described, followed by a quarter-wave
plate which further filters the now-linearly polarized light into
circularly-polarised light before entering the camera. This additional step
avoids problems with auto-focus and light-metering sensors within some cameras,
which otherwise may not function reliably with a simple linear polariser.
Easy to use
1pc