Nikon will officially announce their full frame mirrorless cameras Nikon Z6 and Nikon Z7 on August 23rd. While Canon is not in a rush to enter the mirrorless market, according to latest rumors, Canon may not announce their full frame mirrorless cameras before Photokina 2018 in September, the official announcement will be in October, 2018. And first Canon full frame mirrorless camera will be released at the end of 2018 or early 2019.
Currently, there are two Canon full frame mirrorless cameras in testing, one is a EOS M style full frame mirrorless camera, and the other is Canon DSLR style full frame mirrorless camera. The EOS M style full frame mirrorless camera may coming first.
via: CanonRumors.co