has a microphone input. Canon EOS 1D X Mark II. Canon EOS RP. 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 RP. With a standard mini jack socket, you can use the device with most headphones. The Canon 5DSR/5DS and 1DX Mark II are specialty cameras designed for specific situations. The 1DX Mark II is designed for photojournalists and sports whereas the 5DSR for landscapes and well lit portraits. The 1DX Mark II is designed with the photojournalist who downloads to their laptop during the event and sends it up before its over. CIPA is an independent, standard measurement that determines how many shots a camera can take before the battery dies. has a removable battery. Canon EOS 1D X Mark II. Panasonic Lumix DC-S1. The battery is removable and can be replaced by the user if broken. has a rechargeable battery. Canon EOS 1D X Mark II. has a socket for a 3.5 mm audio jack. Canon EOS-1D X. Canon EOS RP. With a standard mini jack socket, you can use the device with most headphones. has a stereo microphone. Canon EOS-1D X. Canon EOS RP. A stereo microphone allows to record audio files or movies in stereo without an external microphone. Best current IQ out of any canon camera. Best AF, best at everything including emptying your wallet. If you are reach-limited, the 18mpx 1.3 crop might be a better option, minus the 1 stop worse ISO. There is a reason to consider the 1D4, but generally speaking, it certainly seems that the 1DX is the one to own. Jul 31, 2016 I am interested in the AF performance between the two cameras. Allot of you guys have the 1D mark IV and the !dx II. What is your opinion? Currently I use the 1d mark IV and would like to have better AF-C tracking for BIF. 10b08.

canon 1d mark iv vs 1dx