Photokina 2012, September 18–23, in Cologne-Deutz, appears to be the event that major camera manufacturers will be introducing a number of full-frame bodies. According to the latest rumors, Nikon is expected to show the world its new 800mm f/5.6 super-telephoto lens at Photokina too.
Canon may try to grab the spotlight early with a rumored July 23rd announcement of its long-anticipated and first entry into the mirrorless camera market. Few details are available, but it may have an APS-C-sized sensor and an articulating touchscreen, and quite possibly a large body compared to other mirrorless models. July 23rd may also be when Canon announces an EF 200–400mm f/4L IS 1.4x lens.