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The Tiffen 5 x 6" 1 Grape Soft-Edge Graduated Filter helps to specifically add a cool, purplish coloration to skies and other bright areas of an image while allowing a portion of the image to remain neutrally colored. The filter's coloring is densest at the edge and tapers to clear by the middle, with a soft-edged transition between the density and clear areas. The 1 color density provides less grape coloration than the 2 density filter.
This filter is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass and grinding flat to a tolerance of 1/10,000th of an inch. It measures 5 x 6" / 127 x 152.4mm.
Note: A horizontal orientation filter's line of transition runs parallel to the long side of the filter.