72mm NDX Variable Range Neutral Density Fader Filter (ND2 - ND1000) for Canon EF 28-135mm f/3.5-5.6 is

This 72mm NDX variable neutral density fader gives continuous exposure control from ND2 - ND1000. Multicoated glass construction preserves image quality and minimizes reflections while reducing light transmission. Adjust density on the fly by turning the filter’s exterior ring — no swapping filters required — so you can quickly dial in the exact amount of attenuation for each scene. Ideal for managing challenging lighting conditions and saving time during shoots.