NiSi JetMag Pro Filmmaker-Kit 82MAG Magnetfilter-Set (FS ND 2 Blenden, FS ND 3 Blenden, FS ND 4 Blenden, Black Mist 1/8, 67mm/72mm/77mm/82mm-Adapter,

The magnetic swap between ND stops and the Black Mist is genuinely quick—I can change filters in seconds without fumbling with threads. Having the four step-down rings bundled in the kit saved me from buying adapters separately for my different lenses.

The magnetic attachment is incredibly strong—I can swing the camera around without worrying about the filter slipping off. It comes with multiple adapter rings, so I've used it on three different lenses in one shoot. Cuts glare and adds a soft, cinematic look to video footage.

I've been swapping between the three ND strengths and the Black Mist 1/8 all afternoon, and the magnetic hold is strong enough that I never worry about a filter popping off. The included adaptors let me use the same kit on my 67mm and 82mm lenses, which saves me from carrying separate sets.