Eye of the eclipse...

by darkhausen

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a type of filter used to reduce oblique reflections and increase color saturation

Polarising filters are used to reduce reflections and thus increase saturation. They make clear skies darker and bluer. They have greatest effect when pointing the camera in a direction perpendicular to the sun. They come in two types: linear and circular. Linear polarisers are unsuitable for cameras with autofocus systems.

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