UVF Mount (Alexa Mini, Adapter Only) attaches the ARRI Multi Viewfinder MVF-1 to the UVF Mount v2 system. For the full version you can choose UVF Mount (Alexa Mini) which attaches to any two 1/4-20 screw holes spaced 25 to 36mm apart center to center, or you can choose UVF Mount (Alexa Mini, No Clamp) which integrates into our NATO Handle Kit (Plus, 100mm).