The 77mm Variable ND Lens Filter from Neewer helps control the amount of light reaching your camera sensor by 1 to 9 stops. Simply screw this ultraslim filter on your camera lens, and then use the built-in putter to rotate the filter to accurately adjust from ND2 to ND400. By reducing exposure brightness, the filter enables you to better control shutter speed for capturing rivers, waterfalls, light trails, and another images requiring increased motion blur. The filter is made with multicoated optical glass and an aluminum frame. The double-sided nano-coating reduces flare and ghosting while protecting the filter against moisture, oil, dust, and scratches. Please note, as the filter features a putter handle, it cannot support a lens hood.
The slim-design filter ring has a larger, 82mm front thread to prevent vignetting, so a larger lens cap is required. The lens cap is not included with this filter.