Above – GH2 circuitry and sensor unit, whole camera exploded view, Photokina Cologne, Germany. Discuss this and more on our new GH2 forum When the GH1 was released in 2009, for nearly a year we had a camera with a very poor codec until the hack situation turned this around. Footage would turn to mud on fast motion or whip pans, sometimes even gentle handheld shots depending on the lens…