Benro SD NDX-HD LIMIT Variable ND Filter (67mm,1- to 7-Stop)

Benro Master variable neutral density filters give you the versatility of having multiple neutral density values available in one filter. High quality optics constructed from B270 German Schott Optics ensures crisp and clear results. HD optical technology provides an extremely flat optical surface for brilliantly sharp images with no ghosting. Slim design reduces vignetting, keeps the profile of the filter more compact.