Polarizer filters give you several key creative features.
They evenly increase colour saturation of all colours (except black and white),
creating deep, rich scenics.
They add contrast for dramatic skies and arial shots.
They eliminate the whitish glare from highly reflected surfaces like glass and
Polarizers are two part lenses that rotate, allowing you to select the degree of
additional saturation, contrast and glare reduction desired.
Circular for all types of cameras: required for beam splitting metering systems
commonly found in auto-focus SLR's and in most current TTL SLR's.
Creates dramatic sky/cloud contrast.
Saturates colours without changing color balance.
Mount rotates to control amount of effect.
Increases contrast equally well with black & white film.
Refer to lens manual for correct filter model.
For more information about, 52mm Slip-in Circular Polarizer CPL1L Filter .