The SmallRig 3840C Magnetic Filter Adapter Ring / 52mm is designed for quick and secure attachment of magnetic filters to compatible camera lenses. Built with lightweight aluminum alloy construction, it enables fast filter changes during photography and video production workflows while maintaining reliable mounting stability.

Ideal for photographers, filmmakers, and mobile content creators, this adapter ring supports efficient use of ND, CPL, and diffusion filters. Its slim-profile design helps minimize vignetting, while the magnetic connection system improves speed and convenience during outdoor and handheld shooting setups.