"The Panasonic Lumix DMC-GH4: The Unofficial Quintessential Guide" provides a wealth of information and professional insights for owners of this powerful HD camera. 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...