How many megapixels will the Canon EOS-1D X Mark III have? [CR2]

Canon Rumors Guy

EOS 1D MK II
Jul 20, 2010
7,717
353
Canada
www.canonrumors.com
The biggest question people have about the Canon EOS-1D X Mark III is what the resolution of the all-new full-frame sensors will have.
We have been told multiple times that two different resolutions have been tested for the camera, but a good source is “80% sure” the Canon EOS-1D X Mark III will come equipped with a 24.x megapixel sensor.
One of the select photographers that have had the chance to touch the EOS-1D X Mark III said no memory cards were allowed into test cameras, but that in the coming weeks they’ll be able to make images with the camera, so the resolution should be known for sure before the end of November.
We’re also told that the Canon EOS-1D X Mark III will be officially announced near the end of January 2020.
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peters

EOS 80D
Dec 25, 2017
107
97
Sounds reasonable. But I wonder how they will get a 4k image out of this - via 1:1 pixel readout? that would mean again that it its croped in video mode... unless they offer 5k or something...
 

Sharlin

EOS 6D MK II
Dec 26, 2015
1,057
556
Turku, Finland
Sounds reasonable. But I wonder how they will get a 4k image out of this - via 1:1 pixel readout? that would mean again that it its croped in video mode... unless they offer 5k or something...
24 MP is exactly right for 6K to 4K oversampling, although for DCI 4K you'd actually need a horizontal resolution of at least 6144. It could be that the sensor is slightly wider than 3:2 and the extra pixels are used for video but not for stills. The 90D indeed appears to do 6K->4K oversampling in its ~1.2x crop mode, and it's very plausible that the 1DX3 will follow suit (albeit without crop if 24MP).
 

privatebydesign

Would you take advice from a cartoons stuffed toy?
Jan 29, 2011
7,901
1,034
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DCI 4k 4096 × 2160 = 3x2 of 4096 x 2730 = 11,184,810 or 12mp with the normal edge loss.
5k is 5120 × 2880 = 3x2 =5120 x 3413 = 17,476,267 or 18mp with the normal edge loss.
6k is 6144 x 3160 = 3x2 = rounded 24mp
8k is 7680x4320 = 3x2 = rounded 40mp

We know it is going to be at least 20mp so the 4k is going to either be a crop or a a resample of some kind. If you want uncropped unresampled 4k you need to look at cinema cameras.
 
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sanj

EOS 5D MK IV
Jan 22, 2012
3,197
74
Very likely. 24/26 works great for me. I have given up my 'mirrorless dream' and will now go back to DSLR. Am waiting for this camera. But the lenses for mirrorless are so cool the 80-200!!! Ahhhhh. Canon is so smart!
 

sanj

EOS 5D MK IV
Jan 22, 2012
3,197
74
DCI 4k 4096 × 2160 = 3x2 of 4096 x 2730 = 11,184,810 or 12mp with the normal edge loss.
5k is 5120 × 2880 = 3x2 =5120 x 3413 = 17,476,267 or 18mp with the normal edge loss.
6k is 6144 x 3160 = 3x2 = rounded 24mp
8k is 7680x4320 = 3x2 = rounded 40mp

We know it is going to be at least 20mp so the 4k is going to either be a crop or a a resample of some kind. If you want uncropped unresampled 4k you need to look at cinema cameras.
Yes, it will be a crop for sure. But I hope not much. And I believe it will not be much. Hoping!
 

cpreston

EOS T7i
Mar 22, 2014
99
40
If Canon has become serious about video on a DSLR, they will most likely just port over their programming from the C500 II for a super sampled 4K.
 

Pape

EOS 7D MK II
Dec 31, 2018
415
247
Nobody suggesting they may recycle old 1dx2 sensor :)?
doesnt 20fps electronic shutter burst sound few for new generation sensor?
 
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sanj

EOS 5D MK IV
Jan 22, 2012
3,197
74
Not for sure. As I noted, a 24–25MP sensor is perfect for 3:2 oversampled 4K without crop.
You suggesting there will be zero crop? Hmmm. If yes, fantastic! I can live with .3 crop and actually prefer that. That way lenses will be sharp corner to corner!
 

edoorn

EOS RP
Apr 1, 2016
234
148
difference is only about 700 pixels on the long side so not overly shocking
 

privatebydesign

Would you take advice from a cartoons stuffed toy?
Jan 29, 2011
7,901
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Personally I'd prioritize photo resolution over cropping in 4k. For me these cameras are over 90% stills cameras, and I know that is just me, but we are at the point where the compromises between the two disciplines hurt each other and I buy 1 series cameras primarily for stills.

I'd far rather have 28mp and a bad 4k crop or weird resampling going on than 21mp and a smaller crop for 4k video. If I want to prioritize video I have a host of other options, for stills I don't.
 

Joules

EOS RP
Jul 16, 2017
317
236
Hamburg, Germany
24 MP at 20 FPS would mean it has just a 5% advantage in throughput over the M6 II. I hope that doesn't mean that's the limit of what they can do, as I have high hope for the high res R and had expected it to go above that...
 

privatebydesign

Would you take advice from a cartoons stuffed toy?
Jan 29, 2011
7,901
1,034
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How about everybody's dream, two new 1 series:-
1: <20mp very small 4k crop, 20fps Live View, 16 fps with the mirror and full AF. An updated 1DC II and sports/action stills camera.
2: >28mp heavy 4k crop 15fps Live View, 14 fps with the mirror and full AF. A true 1 series successor with the best of the 1D and 1DS series.

I'd take option 2.
 

unfocused

EOS 5D SR
Jul 20, 2010
4,991
1,343
66
Springfield, IL
www.mgordoncommunications.com
I agree 24 mp seems too conservative. Even stodgy old Leica is putting 47mp 10fps in the SL2.

Struggling to understand the logic here. We know from the 5DIV and R that there is no penalty for 30 mp in terms of high ISO performance. I can't see Canon letting video specs drive the sensor resolution in their premier sports and action stills camera. The new CFexpress cards deliver faster performance and I expect the 1Dx III will have a bigger buffer as well.

If they do release a 5D V within a year and it comes with a modest boost to around 9-10 fps, and has similar autofocus, (both reasonable assumptions based on recent models) it could make it hard to make the case to pick the 1Dx III.

Now, I'm not declaring Canon is doomed or suggesting we hold our breaths and pass out, but I would find it a bit surprising and will make me look much more closely at the other improvements before deciding to upgrade.
 

bbasiaga

Canon Shooter
Nov 15, 2011
174
1
USA
I was thinking the same thing, thought it would be in the 27-28 range
Rumors are rumors...i could be!

But I think the vast majority of folks using this professionally have no need for the extra MP. Keeping it lower allows the limited processor capacity that can fit in to a camera to be used for other things, more FPS, etc. 20 seems like a lot to me, but others seem to think its not enough...so who knows.



-Brian