A polarizing filter or polarising filter is a filter that is often placed in front of a camera lens in photography in order to darken skies, manage reflections, or suppress glare from the surface of l
Filtered on right, ⇢. A polarizer filters out the polarized component of light from the sky in a color photograph, increasing contrast with the clouds (right).
Filtered on right, ⇢. Polarizer aligned to allow the light reflected by the water (left), rotated by 90° to block it (right).
Filtered on right, ⇢. Polarizers are often used to improve the appearance of vegetation.
Filtered on right, ⇢. Effect of polarizer on light reflected from a water surface. The polarizing filter is used on the right.
Polaroid (polarizer)
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Polaroid is a type of synthetic plastic sheet which is used as a polarizer or polarizing filter. A trademark of the Polaroid Corporation, the term has since entered common use.
A building seen through polaroid sunglasses