Above: EOSHD’s hacked GH2 with Zacuto EVF Flip and Iscorama!! Codecs are currently the biggest weakness of DSLR video but that is about to change, and no – not with an external record but inside the camera. The hacker Vitaliy Kiselev says he has had ‘a break-through’ – raising the AVCHD bitrate of the hacked GH2 to an average of 42Mbit – almost double the original Panasonic specification and higher…