Conclusion: The Canon EOS-1D X is a great choice for sports shooters and photojournalists, but is likely an overkill for most shooters.
Pros: Full-frame image sensor. 14fps burst capability. 61-point autofocus system. Excellent images at very high ISO settings. Built like a tank. Loads of controls. Dual CF card slots. 1080p video capture.
Cons: Very expensive. Heavy. No built-in flash. No headphone jack. Uncompressed HDMI video output not possible. Switching between still and video live view mode is cumbersome.
Conclusion: Shooting is available in Manual, TV, AV, P, Pc1 and Bulb modes and each is accessed with ease by using the mode button found on the top of the camera. Exposure metering has also been improved on the 1D X with a DIGIC 4 processor dedicated solely to metering.
Summary: What Canon has achieved with the EOS-1D X is remarkable and we have no hesitation in saying it’s the best Canon DSLR we’ve ever used. The way it produces acceptable results even at ISO 12,800 and 25,600 is extremely impressive.
Pros: Performs exceptionally well in low-light situations, Capable of shooting breathtaking bursts at high speed, Feels robust and up to the task of any photo challenge
Cons: AF drive mode isn’t displayed through the viewfinder when it’s being changed, Star rating isn’t as intuitive as that on the EOS-5D Mark III, No identifiable movie-record button on the body
Summary: Our testing team has had their hands on the Canon EOS 1DX and put the camera through their rigorous regime of lab and field tests. They’ve posted their full, scientific Canon 1DX review over on our sister site TechRadar . So go there for all your image quality analysis, noise charts and more.
Pros: The Canon EOS-1D X’s AF system is fast and reliable in a wide range of situations, and it captures subjects sharply even in very low light.
Cons: Although the Canon EOS-1DX control layout is designed to enable you to adjust settings quickly whether you are shooting with the camera held horizontally or upright, Canon hasn’t given it some of the useful features found on the EOS 5D Mark III.
Excerpt: On the surface, Canon’s new pro-level shooter may look virtually identical to its 1D predecessor, but don’t be fooled. As the 10th generation of Canon SLRs, the beastly Canon EOS-1DX ($6,800) is the full-frame juggernaut.
Canon EOS 1D X – Canon’s new flagship professional dSLR – specs review
1 November 2011
Conclusion: The Canon EOS 1DX is a great successor to both the 1DS Mark 3 and 1D Mark 4, which are already pretty old, and can easily replace them both. The high picture quality from the full frame sensor, coupled with the very fast continuous shooting modes make it a perfect choice for both sports and studio...
Excerpt: The "1" means top-of-the-line , as-good-as-it-gets , #1 , you're-going-to-love-it. The "D" means "Digital". And the "X" represents the "crossover" that has taken place - representing the merging of two product lines - the 1D and the 1Ds lines.
Summary: Canon has yet again created a truly amazing camera with the EOS-1D X. From the first weekend we got to shoot with it, when we came home with a dozen keepers, up until the last frame we shot for this test, it was simply a pleasure to use.
Excerpt: Canon has also been a lot more adventurous in the digital era, leading the charge into the lower categories of D-SLR with, first, the EOS D30 and then the 300D. Both jumped on the HD video bandwagon at pretty much the same time, but it’s Canon’s 5D in its various iterations which has reigned...
Cameras at this level have extremely high standards to live up to and the 1D X certainly meets them and in places even exceeds them. The new sensor is extremely impressive in terms of detail but more so in terms of its noise performance in low light.