ND2-400 rotating ring for versatile light control - Reduces the amount of light entering the lens without affecting colour balance, enabling quick adjustments to changing lighting conditions. Slow shutter speeds for motion and blur - Lets you use slower shutter speeds on high-speed video or digital cameras to capture motion blur in waterfalls, clouds, or other fast-moving subjects. - Slim edge design prevents wide-angle vignetting. - Sturdy aviation aluminum frame enhances durability. Coating and build for reliability - 8-layer MRC (multi-resistant coating) to repel water and dust. - Extra sturdy frame helps prevent jamming and ensures long-term reliability. Depth of field and subject separation - Reduces depth of field with a wider aperture to help separate the subject from the background. Use scenarios - Landscape photography in bright daylight: use the ND2-400 to extend exposure times for silky water effects in waterfalls and smooth cloud movements without changing colour balance. - Video or time-lapse work: record motion blur for waterfalls, clouds, waves, or fast-moving subjects with controlled light levels and minimal distortion. - Outdoor portraits in strong light: employ a wider aperture to create a shallow depth of field, isolating the subject from the background while maintaining correct exposure.