These special (metal) adapter rings are made for the U-AXP100, U-BXP100, U-BZ100 photo housings. Fits V1000 camcorder cases, the C-AF100 / VC-2000 rain capes.
Select the ring size that suits the filter thread size of your lens.
Note: the U-AXP100, U-BXP100, U-BZ100 and C-AF100 come with the C-A77 adapter!
