Century Optics 4x4" Linear Polarizer Filter
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Linear Polarizer Filter....
The Century Polarizer reduces glare and unwanted reflections, saturates colors, deepens blue skies, improves contrast, and penetrates haze.
Polarizers are commonly used to control glare on water and to allow the camera to see below the surface. They are also used to reduce glare on car bumpers and to control reflections on plate-glass windows.