52mm Variable NDX Fader Filter ND2 - ND1000 for Canon 50mm f/1.8 II, 135mm f/2.8, EF 50mm f/2.5, EF-S 60mm f/2.8, EF-S 24mm f/2.8 STM Provides Total Versatility in Neutral Density Adjustable From ND2 - ND1000 Have Control of Any Lighting Environment Simply Turn Its Exterior Ring to Access Any of the Neutral Density Settings Fits all 52mm lenses