Canon G3X Mark II, Canon G5X Mark II and G7X Mark III have excellent chance to be introduced in the first half of 2018. As we mentioned earlier that Canon G3X Mark II and Canon G5X Mark II are highly speculated to be showcased at CES, 2017. However, Canon G7X Mark III may be at CP+ show or prior to NAB in April. You should know that both the two G-series cameras(Canon G3X and Canon G5X) are due for update, which were announced back in 2015.
We have no core information about the specifications the three cameras, but once the rumor surfaced suggested that the upcoming 1″ sensor camera may also have DPAF (Dual Pixel AF sensor). As Canon did in most of it recent announced cameras.
As of now, it was the only information we have but stay with us and we will come with more and more rumors and information regarding these 1″ sensor cameras.