●Both Signature and Mist Editions available in 2-5 and 6-9 stop variations. ●Preset stop range eliminates any chance of cross-polarization. ●Zero vignetting down to 16mm focal length lenses. ●All variations include the new Defender360. ●Both editions feature our new haptic feedback mechanism. ●95mm Filters are Standard Threads - Some lenses will require a coarse thread step up ring ●Adventure Assurance - Be satisfied with your PolarPro gear throughout your adventures or your money back.