Size: 77mmAmazon.comThe perfect solution to transform a pallid sunrise or sunset into something spectacular. A neutral density 0.6-to-clear is often best for balancing sky to foreground.Product DescriptionThe Graduated Neutral Density filters are used if you want to balance light intensity between two areas within a scene. This is important outdoors to allow more sky detail while properly exposing the foreground. Exposing for the foreground will produce a washed-out, over-exposed sky, exposing for the sky will leave the foreground dark, underexposed.FEATURESPart clear, part neutral density, with a smoothly graded transition betweenA Color-Grad ND.6-to-clear is often best for balancing sky to foregroundNeutral gray appearance drops exposure