The Helix Variable ND Black Mist 1/4 Filter (2–5 Stop) combines adjustable light reduction with integrated diffusion for cinematic image control. It enables precise exposure management while maintaining natural motion blur at optimal shutter speeds, making it suitable for video production and hybrid shooting environments.

Featuring 1/4 strength Black Mist diffusion, it delivers smooth highlight roll-off and subtle skin softening. The Helix MagLock magnetic and quarter-turn locking system ensures rapid installation and secure attachment. Constructed with coated cinema-grade glass and a brass frame, it supports demanding professional workflows.