Creating Dark Blue Sky Using Polarizer Filter - CPL Effect
In photography and videography, a filter is a camera accessory consisting of an optical filter that can be inserted in the optical path. The filter can be a square or oblong shape mounted in a holder accessory, or, more commonly, a glass or plastic disk with a metal or plastic ring frame, which can be screwed in front of the lens or clipped onto the lens.Circular polarizers are specifically designed for use with auto-focus SLR cameras, but they will also work on manual systems without problems. Linear polarizers are used with most video and manual focus photo cameras. They are not recommended for auto-focus SLR cameras. Read the rest of this entry »
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