Gobe Ndx 72Mm Variable Nd Lens Filter (1Peak)

Function | The Gobe 72Mm 2Peak Ndx Is The Perfect Filter For Capturing The Motion Of Water By Reducing Light Intake And Allowing A Slower Shutter Speed. Ideal For Shooting Waterfalls, Rivers, The Ocean Washing Over Rocks And Surfers Flying Across The Waves. It Also Facilitates A Wider Aperture Allowing A Shallow Depth Of Field All Without Affecting The Colour Balance Of The Image.Instructions | The Gobe Variable Nd Filter Should Only Be Rotated Between The Min & Max Markings On The Rim. The Min Denotes Nd 2 (1 Fstop) And The Max Denotes Nd 400 (9 Fstops). Rotating Past These Parameters You Will Start To See Vignetting And At The Extreme You Will See A Dark X Appear. For A Wide-Angle Lens You Should Not Operate The Filter Past 5 Or 6 Fstops (Or Until You Begin To See Vignetting). Lens Caps And Sun Hoods Will Not Fit Over The Variable Nd.Versatility | Having The Versatility Of Nd2-400 Means You Can Always Have The Perfect Light Reduction Nd Level, All In The One Filter. It Means You Are Not Constantly Changing Nd Filters In Varying Light Such As Sunrise Or Sunset.