Some people tell me Panasonic have too much to lose going full frame especially when it comes to lenses. Micro four thirds as a sensor size has taken panasonic far but it has also hindered them with noise beyond 1600 ISO.
Sony on the other hand brought out the A7s full frame camera with some spectacular results with ISO settings of 6400 and above though cannot attain a good natural skin tone as the GH4 can.
Panasonic need a noise buster and I think full frame is their only option, they constantly cripple cameras with noisy sensors.
A few choice PFF (Panasonic Full Frame) Leica lenses like a 20mm f2.8, 35mm f1.4, 50mm f1.4, 80mm f1.8, 24-80mm f2.8, 70-210 f2.8 and a 300mm f2.8 would do the trick. The adapter companies like Metabones would soon have a Canon to PFF.
I don’t think it would be that much hardship to re-invest in FF lenses as long as they were fit for purpose.
Video features as the GH4 plus 4K 50p, LOG, lemo to XLR connectors on the side please and make sure there is a headphone output and “NO” 29m record limitation.
Adding a hand/battery grip (2 batteries, twice the power) would also give you the ability to adjust the sound (2 channels) and the headphone volume manually and give us a full size HDMI.
Any other ideas ?