Polarizing Filter

A filter designed to modify thepolarized reflections in a scene. A polarizing filter simply adds neutral density to a non-polarized reflection. Placing a polarizing filter over a light source will produce polarized reflections. By rotating the filter a photographer can increase, reduce, or completely eliminate the polarized reflections reaching the camera. Polarizing a light source is generally avoided because it causes a reduction in brightness coupled with intensified heat. Photographers generally reserve this technique for situations where it is otherwise impossible to create evenly lit, glare-free results through standard light placement techniques.

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