This 77mm HD Neutral Density Filter 4-Pack from Neewer includes four filters for a variety of choices when adding neutral density to images. Increasing neutral density offers finer control in available shutter speeds or aperture settings for both still and video applications. Using a longer shutter speed makes it possible to increase blur to convey a sense of movement. Increased density also makes it possible to shoot using wider lens apertures, helping to isolate a subject from the background and increasing bokeh.
These filters are made of optical glass for sharpness and feature 30 layers of multicoating for optical light and color transmission. They also have a waterproof and scratch-resistant coating for use in harsh locations and easy cleaning. The thin aluminum filter rings make the filters usable on wide-angle lenses without vignetting.
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