When recording movies they stay focussed and sharp. has a microphone input. Canon EOS 1D X Mark II. Nikon D750. A microphone port allows connecting external high-end or specialized microphones. has a socket for a 3.5 mm audio jack. Canon EOS 1D X Mark II. Canon EOS-1D X Mark III. move left: move right: move left: SD/SDHC/SDXC (UHS-II supported) + CFexpress Type B Dual CFexpress type B USB 3.2 Gen 2 (10 GBit/sec) Ge0Pk6.