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The Rotating 100mm Circular Polarizing Filter from Kase fits most 100mm-wide filter holders that accept 2mm-thick filters. Made of multicoated Schott B270 superwhite optical glass, this filter can be easily rotated into…

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The Rotating 100mm Circular Polarizing Filter from Kase fits most 100mm-wide filter holders that accept 2mm-thick filters. Made of multicoated Schott B270 superwhite optical glass, this filter can be easily rotated into proper position using the thumbwheel at the top.
A circular polarizer filters rotates to organize light into more directional rays, reducing the glare of reflective surfaces and darkening blue skies for improved outdoor photography.
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