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The Hitech 4 x 6" 81EF/ND 0.9 Graduated Combo Filter is a combination of both a warming 81EF and a 0.9 graduated neutral density filter. There is a 0.9 density for darkening skies and other bright areas of the image. The 81EF filtration covers the entire filter plane and adds slightly more warmth than an 81C to your images in order to reduce blue shadows and haze when photographing outdoors and with an electronic flash.
This filter measures 4 x 6" / 101.6 x 152.4mm and is compatible with the Cokin Z-Pro filter holder. The 0.9 density provides a 3 stop reduction in light from entering the lens.
Combination of both a warming 81EF and a graduated neutral density filter.
0.9 ND graduated filter for darkening skies and other bright areas of the image.
81EF filter gently adds warmth to your images in order to reduce blue shadows and haze when photographing outdoors.