Description by Canon:

The EOS-1D X combines speed with image quality, to create the next generation camera for professionals. Full frame 18 megapixel sensor with Dual “DIGIC 5+” processors sets the standard, and up to 12 frames per second shooting takes it beyond.

Features

Canon EOS-1D X Firmware Version 1.2.1 now available for download

From Canon:

Canon has announced that a firmware update for its flagship EOS-1D X DSLR (Version 1.2.1) is now available for download. See below for details of the exact firmware fixes and improvements. Firmware Version 1.2.1 for the EOS-1D X incorporates the following improvements and fixes: 

1.The function to disable the Image size selection button has been added.
2.Fixes a phenomenon in which Err 70 and Err 80 may occur in very rare  instances depending on the camera settings or shooting scene.

Canon 40mm EF f/2.8 STM Lens review by Ivo Freriks at Camera Stuff Review: At the time of the review, the Canon 40mm STM is the best of all Canon lenses tested so far in terms of resolution.

The 40mm's stepping AF motor (STM) provides improved AF during live view video.

The Canon 40mm STM pancake lens is perhaps, no, DEFINITIVELY, the sharpest lens south of the $/€/£ 200 line Canon has ever produced. It consistently scores very high on both full frame and cropped cameras, and mounted on a Dslr it looks almost as diminutive as the Olympus body cap lens on a micro 4/3 body, but with excellent optics. CSR tested this little gem mounted on a Canon 1Dx:

"The combination of a very compact and lightweight Canon 40 mm STM lens on a large, heavy professional camera may . . . read more

Canon issues firmware upgrade advisory for the EOS 1Dx, addresses issues with version 1.1.1

Canon 1dx Firmware update fix

Source: TDP

From Canon USA:

It has been confirmed that auto-focusing may not function at f/8 aperture on some Canon EOS-1D X Digital SLR Cameras with firmware Ver. 1.1.1. We offer our most sincere apologies to customers using this product who have been inconvenienced by this issue. The support measures for this phenomenon are described below.

. . . read more

Canon EOS 1Dx review at Pocket (sized reviews) Lint: An astounding pro Dslr with an immortal battery.

Canon 1Dx Front with EF 85mm f/1.2 lens.

"Although video lacks all the bells and whistles that it ought to, firmware 1.1.1 should have been the base operability from day one, and ergonomically we prefer the Nikon D4 - but existing Canon users with lenses are about as likely to go and sniff around the other camp as, well, you can finish that line with whichever inappropriate joke you fancy - on the stills front the 1D X is one impressive shooter that's perfect for studio, sports and low-light photography.

This is no casual snapper; the Canon EOS 1D X is an incredible tool. It's super fast and that's its main selling point. But it's . . . read more

2012 DigitalCameraInfo Best of Year Awards

Yes, its this time of the year, the 'award and predictions (that mostly fail) for the next year' time. DCI is first, with, in some categories, slightly peculiar selection:

"2012 has been one of the most exciting years yet for the staff here at DigitalCameraInfo.com, as the photographic industry put the woes of 2011 behind it to release some truly amazing cameras. From flagship DSLRs to incredible compacts, there . . . read more

Canon 1 Dx gets its DXO mark rating: Best Canon so far, but still way below all current Nikons

But hey, at least it manages to catch up to the 3 years old Nikon D3s. Now, photography people still are divided about the real value of DXO scores, but for those interested, here's an excerpt from DXO's findings:

"The Canon EOS 1D X performed acceptably across the board and looks to be a successful compromise as an update to both the 1D Mark IV (with better color depth and overall quality) as well as the 1Ds Mark III (with better low-light performance). . . . read more

Canon EOS 1Dx review at Pop Photo: The new 1 series powerhouse is everything it is expected to be, and so is its evil twin, the Nikon D4.

"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.We’ve touched on the most important parts, but there’s also Ethernet connectivity, a stereo mic input, and plenty of other features, such as multiple-exposure capability and audio note taking, that we just couldn’t go into detail about here. . . . read more

Canon EOS-1D X and EF 24-70mm f/2.8L II USM lens delayed, again.

This is the third delay-so far, for the 1D x. Canon USA confirms:

"Updated sales start dates for the EOS-1D X and EF 24-70mm F2.8L II USM lens

London, UK, 12 April 2012 – Canon would like to advise of updated sales start dates for the previously announced EOS-1D X and EF . . . read more

Canon posts 1D X (and 5D mark III) AF settings guide PDF book

This big and richly illustrated PDF book should also work for 5D Mark III owners since the AF systems are very similar between those two cameras:

"This guide offers a wealth of information about different possible settings and when to apply them. It explores the basic characteristics of . . . read more

Canon 1D X updated specifications

Maybe they tried to hide the crappy battery life for as long as possible, but here's the rest of the specs that Canon has apparently finalized. Rob Galbraith reports:

 

"At the time of the EOS-1D X's announcement, certain specifications such as battery life and burst depth, as well as memory card write speed requirements for video, were not given out. Canon has now filled in the blanks. . . . read more

HANDS ON: Canon EOS-1D X (sample images and video) by Ron Martin

"When I read about the 12fps performance of this camera I was excited – especially given the larger image size – but I was also worried as my 10fps performance of the 1D Mark III & IV has always been significantly limited by its puny buffer. In my early testing with what I was told was a slow CF card, I was able to get 52 full-size RAW frames in burst mode before the buffer started to stutter. That’s up from 30 in the 1D Mark IV, so that’s promising given the significantly larger file sizes. . . . read more

Does the Canon 1DX represent a step backwards? @ TechRadar

"Some consider, the switch from 21 to 18.1 megapixels a good move on Canon's part. Fewer pixels means that each pixel is physically larger than before, and bigger pixels means more light per surface area offering the advantage of lower noise. The new Canon 1DX can practically see in the . . . read more

Canon 1D X: The New Most Epic DSLR Ever @ Gizmodo

I wonder if this statement will remain in effect for long...Nikon's D4 is just around the corner :)

"There are a lot of reasons the 1D X might be the most ridiculous DSLR ever made, but the numbers seem like a good place to start. A full-frame 18-megapixel sensor. ISO 204,800. 12fps RAW shooting. 61-point autofocus. Three DIGIC image processors. One gigabit ethernet port.  . . . read more

Canon 1D X hands-on @ Photography Bay

The initial impression given by Canon Reps and press release hinted at serious simplification in the AF customization area. Now, Eric Reagan from Photography Bay in fact claims the very opposite:

  . . . read more

Canon EOS-1D X overview @ DPreview

"The biggest specification change to the 1D X is its new sensor - an 18MP full-frame CMOS chip capable of shooting at 12 frames per second. This represents a big change over the 1D Mk IV (it represents a move away from the smaller APS-H format that Canon has previously used in its . . . read more

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