This SN251 ND1000 filter is an upgrade of the SN25 ND1000 square filter. It uses a coating process to solve the problem of color cast. Simply slide in different filters to take beautiful, colorful shots.
The material of the filter is top-grade optical glass, which adopts double-sided multi-layer enhanced coating, which can effectively reduce the filter surface reflection.
Eliminates overly bright & washed-out images and enables longer exposures to capture the beauty of time and movement.
Multi-resistant coating technology significantly reducing lens flare and ghosting while making the filter anti-scratch, water repellent, oil & dust resistant fit for the rigors of adventure photography.