Graduated Neutral Density Attenuator/Blender 0.6 Filter Size:77mm They are great to use

They are great to use at weddings or other special events where a sense of mood

and works to attenuate both visible and infrared light

- Graduated filter design keeps a portion of the image neutral

Schott B270 Optical Glass

Contrast reduction technology that reduces highlights without darketing shadows

Graduated Neutral Density Attenuator/Blender 0.6 Filter Size:77mm They are great to useProduct Highlights: Densest at one edge where it corresponds to a reduction of light entering the lens by 2 stops and tapering to clear at the other edge Darkens bright areas of an image, such as skies, while the remaining regions of the image are exposed with a progressively decreasing effect Maximum 0. 6 density corresponds to a 4x filter factor and 2 stop exposure reduction Constructed from optical glass for clarity Noncoated Aluminum alloy filter