pstrongemThe Panasonic Lumix DMC-GH4 The Unofficial Quintessential Guideem provides a wealth of information and professional insights for owners of this powerful HD camera.strong br br With its electronic viewfinder and interchangeable lenses, the GH4 is capable of not only recording professional-quality still images, but has the added ability to record HD video as well. The mirrorless design enhances the camera's versatility beyond that of most digital single lens reflex DSLR cameras. With the appropriate adapters, it can use virtually any manufacturer's manual focus, legacy lens. It is smaller than a typical DSLR in both size and weight, and retains automatic focusing while recording videos-a capability that is missing in many DSLR cameras. br br With the GH4, Panasonic has significantly expanded the video capabilities beyond those of previous models. Among the improvements is the camera's ability to record 4K video and save the movie to the internal memory card. br br Along with the