The Shutter Collection filter 3-Pack is part of PolarPro’s Cinema Series line. Featuring the highest grade glass and coatings delivering perfect optics. The Cinema Series is for pilots who demand the absolute best. Featuring an aluminum frame which is thin enough to stay on during gimbal start-up. The Shutter Collection for the Mavic contains ND8, ND16 and ND32 filters for reducing shutter speed. Each filter is manufactured with PolarPro’s AirFrame feather-light design for smooth gimbal operation.