The Panasonic Lumix DMC-GH4 4K Mirrorless Micro Four Thirds Digital Camera is a true hybrid camera designed for both professional photo and video use. It features a 16.05-megapixel Digital Live MOS sensor and a 4-CPU Venus Engine, capable of capturing high-resolution JPEG and RAW stills, as well as UHD 4K 3840x2160 30p/24p and cinematic DCI 4K 4096x2160 video at 24p. Like its predecessor, the GH4 features a weather-sealed magnesium alloy body, while offering increased resolution on both the OLED monitor and electronic viewfinder. It also features built-in Wi-Fi with NFC technology, in-camera creative controls, and a high-speed 49-point autofocus in both photo and video mode.
Panasonic's Lumix G X Vario 12-35mm f/2.8 Asph. Lens for Micro 4/3 (Black) is the first constant-aperture standard zoom for a mirrorless system camera. With an equivalent (in 35mm format) 24-70mm zoom range, this is a close match for a type of zoom lens that's very popular with photographers using full-frame cameras--from a true wide-angle to a short telephoto focal length and a bright f/2.8 maximum aperture through the entire range.