This variable filter does the job of multiple ND filters. Streamline your kitbag and swiftly adjust your F-stop rating to manage light exposure on the fly. Great for Videographers looking for an even light adjustment while filming. Control the amount of light in your image so you can do longer exposures. Shoot in bright light without overexposing your images. Use slower shutter speeds to create dramatic effects that emphasize movement. OKKO filters are compatible with all major camera lens brands including Fuji, Nikon, Canon, Sony, Tamron and more. All OKKO Pro filters are backed up with a full Lifetime Guarantee.