Two leaks in the past day may have given clues as to Nikon's camera strategy year, including the first more tangible details of its mirrorless interchangeable lens camera. One hint puts the mirrorless camera's launch in April and explains Nikon's public aims to be different as a shift to the pro market. Moving to a more advanced model would both help separate camera from Nikon's entry-level DSLRs and entice those on existing mirrorless systems to upgrade, Mirrorless Rumors heard.