Fujifilm M Mount Adapter process_C41 Colour it is an Arca-compatible plate

it is an Arca-compatible plate designed to mount securely to the foot of the existing lens collar (which is not included)

in case you're wondering)

Leitz POOEL polarizing filter for A36 slip-on mount

This is a very solid

Fujifilm M Mount Adapter process_C41 Colour it is an Arca-compatible plateThe genuine Fujifilm adapter lets you use Leica M mount lenses on your Fuji X camera. Yes, there are several aftermarket adapters that do that same thing, but the Fujifilm adapter includes a convenient function button that lets you quickly access focal length settings and more which is very handy if you're switching between a few M mount lenses. In excellent condition, with original box.