Published on Mar 17, 2012
Canon EOS-1D X vs Canon EOS 1D Mark IV
The 1D Mark IV is significantly cheaper than the 1D X so you can save money if you don't need the capabilities of the new camera.
The cropped sensor on the mk IV means that you can get 1.3x closer to your subject with the same focal length lens. Therefore, for wildlife or sports you can get closer to the action without having to use a teleconverter or a longer lens.
Now some of the major advantages of the 1D X:
Full frame, this means you have more control over depth of field (you can get shallower DOF). This is particularly desirable if you are want to shoot shallow DOF video. It also means your wide-angle lenses will be much more wide angle!
More megapixels (18 vs 16.1) so you can print your pictures bigger/crop them more.
Lower pixel density/larger pixel size plus a more advanced sensor should mean better high ISO/low-light performance with much less noise.
Incredibly, despite being full frame and having more megapixels, the new camera is faster than the 10fps mk IV, at 12fps in RAW and up to 14fps in JPEG! This is made possible by the dual Digic 5+ processors which are each 3x faster than Digic 5 and 17x faster than Digic 4. To be honest, 10fps was never too slow for me, but for very fast-moving action, the additional speed will be welcomed by some photographers.
Revamped autofocus and metering systems should make the new camera faster, easier to use and result in fewer missed shots.
Other improvements include an Ethernet port which lets you run your camera as an FTP server and an improved viewfinder (more like the 7D).
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