Included in the kit is the Mk III lens hood and the Adapter ring (not pictured).
The Adapter ring is needed if you wish to use a filter with your Mk III hood.
The Adapter has been designed specifically for the X100V to allow for the extra movement the lens needs, however it will fit any X100 series camera. It is compatible with most 49mm filters.
A rubber cap is also included.
The following filters have been tested:
Hoya 49mm UV(C) Digital HMC Screw-in Filter,Y5UVC049
Kenko Smart MC UV 370 Slim 49mm
B+W 49mm XS-Pro UV Haze MRC-Nano 010M Filter
Watch the video to see how to install: