Sigma Drop In WR Variable ND RND-21SE Filter for 598 (Sony E-Mount)

The Sigma Drop In WR Variable ND RND-21SE Filter allows effect adjustment via dial while attached to the lens. The filter is compatible with Sony E-Mount lenses. It enables up to 7 stops of light reduction to achieve slower shutter speeds without excessive stopping down, making it ideal for panning shots in motorsports photography.