Zeiss today released a set of sample images for Zeiss Batis 1.8/85 & Batis 2/25 lenses. And one of these images shows that it was taken by a 56MP sensor camera. According to latest rumors, this new camera could be the Sony a7RII or Sony a9/a9R.
Previous rumors said that Sony will announced a new 50MP(around) full frame mirrorless camera in late 2015. Maybe this image is taken by this 50MP camera. The Sony a7RII is rumored to be announced in May with a 36MP sensor, the Sony Alpha a9/a9R is rumored to have a high megapixel as Canon EOS 5Ds/5Ds R.
Stay tuned for more info.
Read More: Sony Alpha Rumors