Changing filters can often be clumsy and time consuming. The odds of things fitting on the first try are low. Xume came up with a nice solution to this problem by creating magnetic adapters for filters.
Currently they’re only selling 77mm adapters ($33 for the lens adapter, $13 for each filter.)
I can only imagine how much time this saves on a shoot. I’m not sure how strong the magnets are, but from the video above they seem to be fairly strong.
Thanks to Gizmodo.