KASE Wolverine Magnetic Filters

Inlaid adapter:
Pros: Fits inside the lens ring, the filters are closer to the lens with less vignetting.
Cons: Trickier to install and remove than the conventional adapter. Not compatible with step rings.

Conventional adapter:
Pros: Easy install. Can use Kase magnetic Step rings
Cons: Fits on top of the lens ring, so the filters are further away, more chance of vignetting.