Our B4 Magic Adapter allows you to mount B4 lenses on Blackmagic Micro Four Thirds mount cameras and includes an optic that enlarges the image circle of your B4 lens to fit on a Super 16 or similar sized sensor. It also works on the Panasonic GH4 in certain settings. Head on over to our Fotodiox YouTube channel and search B4 Magic to learn more about this adapter. #B4magic #B4adapter #lensadapter #productphotography #productshot #B4toMFT #Blackmagic #BMPCC #BlackmagicPocketCinemaCamera #BlackmagicStudioCamera #BlackmagicMicro #BlackmagicDesign #super16 #ENGlens #Fotodiox #FotodioxPro