Light rays which are reflected become polarized, and polarizing filters are used to select which light rays enter your camera lens
MacMall Part #: 7706176
Manufacturer Part #: 2255
Light rays which are reflected become polarized, and polarizing filters are used to select which light rays enter your camera lens. They can remove unwanted reflections from non-metallic surfaces such as water or glass and also saturate colors providing better contrast. The effect can be seen through the viewfinder and changed by rotating the filter. The filter factor varies according to how the filter is rotated and its orientation to the sun. Filter factor is between 2.3 and 2.8 (approx. +1.3 stops). Circular polarizers are specifically designed for use with auto-focus SLR cameras (They will also work on manual systems and video cameras without problems). The "II" polarizing filters are now made especially thin and can be used with wide-angle lenses. Dedicated bayonet hoods can also be used.
Much thinner and lighter than conventional models to cut vignetting on Wide Angle lenses Multi Layer coatings on both sides to reduce ghost images and flare 67mm filter thread on front of filter for attaching Lens caps and hood
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