Cokin x pro series x412a 112mm th075 adapter
The cokin x pro series x412a 112 mm 075 adapter ring is specifically used to be attached to the bx100 x pro series filter holder to the filter thread on the front of a camerarsquos lens the adaptor ring enables the filter holder to be fixed onto the camera lens allows filters to slide into the holder this ring is generally used to fit extremely large diameter video lenses and telephoto lenses