It’s official! Canon is finally entering the full frame mirrorless camera game, with the EOS R . Finally taking the Mirrorless lens game seriously, the EOS R is packing some big numbers into its frame, with Canon saying that this device will have a 30.3-megapixel full-frame sensor and an ISO range of 100-40 000. The real story here however, is the lens game that Canon is talking for the EOS R.