Studio Built kit for BVP-950 / BVP-570 & BVP-9500WS. Allows the use of OB Box lenses with BVP series portable cameras. Unit requires the BKP-9057 7 Inch VF adapter for use with the BVF-77/7700 series viewfinders. Can accomodate the BVF-55 series without an adapter | 
