77mm NDX Variable Neutral Density Fader — Adjustable ND2 - ND1000 for Canon Zoom Telephoto EF 100-400mm f/4.5-5.6L is USM

A versatile 77mm NDX variable neutral density fader that lets you control exposure from ND2 - ND1000 without swapping filters. Built with multicoated glass, it reduces reflections and maintains image quality while providing smooth density changes. Adjustment is simple: rotate the external ring to select any density setting quickly, so you can react to changing light on the fly. Save time and simplify shooting—this variable ND lets you dial in differing amounts of light attenuation scene to scene for accurate control of motion blur and depth of field when using the Canon Zoom Telephoto EF 100-400mm f/4.5-5.6L is USM.