The Panasonic GX7 is looking genuinely exciting for filmmakers. It sits at the top of Panasonic’s range and uses a different form factor to the DSLR-like GH3, in that it is in the mould of the Blackmagic Pocket Cinema camera, original Panasonic GF1 and Sony NEX range. The GX7 is rumoured to have some major features not seen in the GH3, such as an in-body stabilisation system and peaking. The…