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Archive 2012 · T2i, 60D & 7D = same sensor
  
 
bushwacker
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p.1 #1 · T2i, 60D & 7D = same sensor




just wondering are these cameras: t2i,60d & 7d have the same exact image sensor?



Feb 19, 2012 at 11:21 PM
RobDickinson
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p.1 #2 · T2i, 60D & 7D = same sensor


No.

7D has 4 channel read the others have 2 channel. This is so the 7D can read data for 8 frames a second. Apart from that they are identical afik.



Feb 19, 2012 at 11:36 PM
Quanger
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p.1 #3 · T2i, 60D & 7D = same sensor


Are they even identical in terms of ISO noise? I believe all 3 of those body have slightly different style of jpeg but if you strictly compare RAW, then it's identical. I could be wrong.


Feb 20, 2012 at 02:33 AM
RobDickinson
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p.1 #4 · T2i, 60D & 7D = same sensor


7D has a slightly higher read noise due to the 4 channel read I think.


Feb 20, 2012 at 03:01 AM
galenapass
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p.1 #5 · T2i, 60D & 7D = same sensor


in the dpreview review of the 60D, you can select all these camera and compare raw files directly at different ISO settings. IMO, It's better to look at data.

http://www.dpreview.com/reviews/canoneos60D/page19.asp



Feb 20, 2012 at 03:34 AM
harrygilbert
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p.1 #6 · T2i, 60D & 7D = same sensor


galenapass wrote:
in the dpreview review of the 60D, you can select all these camera and compare raw files directly at different ISO settings. IMO, It's better to look at data.

http://www.dpreview.com/reviews/canoneos60D/page19.asp


But you'd not be comparing the sensors alone; doesn't each camera have different signal processing and control units?



Feb 20, 2012 at 03:40 AM
galenapass
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p.1 #7 · T2i, 60D & 7D = same sensor


Well you can't produce an image with just a sensor alone. So I guess if images are your goal then output from a sensor, signal processing etc... unique to each camera is the most relevant measure.


Feb 20, 2012 at 03:50 AM
kakomu
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p.1 #8 · T2i, 60D & 7D = same sensor


bushwacker wrote:
just wondering are these cameras: t2i,60d & 7d have the same exact image sensor?


The sensors seem to differ very slightly in some aspects, such as ISO noise, dynamic range, etc. I base this statement on the results from companies like DxOMark.

However, the differences between the cameras are so marginal, that they are pretty much the same for all intents and purposes. Practically speaking, they also output the same amount of pixels and are the same exact size.



Feb 20, 2012 at 04:51 AM
dhphoto
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p.1 #9 · T2i, 60D & 7D = same sensor


T3i as well.

This is why the T2i/550D is such fantastic value now. Top notch IQ and a superb LCD plus video for rock bottom money



Feb 20, 2012 at 09:50 AM
bushwacker
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p.1 #10 · T2i, 60D & 7D = same sensor


so it's same exact sensor? but different IQ output?


Feb 20, 2012 at 10:56 AM
 

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Sami Ruusunen
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p.1 #11 · T2i, 60D & 7D = same sensor


According to Canon repair facility, all those cameras share exactly the same sensor (the replacement model nro for sensor for each camera is the same). Difference in JPG quality is due the JPG software in camera, not the sensor. Differences in RAW output is due the quality differences in sensor manufacturing, not the camera model where the sensor is. 2 different 7D:s might have slightly difference ISO quality because of this.


Feb 20, 2012 at 11:12 AM
D. Diggler
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p.1 #12 · T2i, 60D & 7D = same sensor


bushwacker wrote:
so it's same exact sensor? but different IQ output?


From what I understand, the IQ is essentially the same.



Feb 20, 2012 at 11:37 AM
M Lucca
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p.1 #13 · T2i, 60D & 7D = same sensor


135i, 335i and 535i all share the same engine. But the same car they are not let alone their driving experience.


Feb 20, 2012 at 08:12 PM
dhphoto
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p.1 #14 · T2i, 60D & 7D = same sensor


M Lucca wrote:
135i, 335i and 535i all share the same engine. But the same car they are not let alone their driving experience.


But they still arrive at the same destination in more or less the same time.



Feb 21, 2012 at 07:19 AM
RobDickinson
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p.1 #15 · T2i, 60D & 7D = same sensor


535i will get the best parking space though


Feb 21, 2012 at 07:28 AM
bushwacker
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p.1 #16 · T2i, 60D & 7D = same sensor


RobDickinson wrote:
535i will get the best parking space though


I hope this talk won't further down, like what's the best TURBO upgrade?, swap M5 parts to 1 series, swap tranny from M3... I replaced my cams, best oil to use? oh yeah I use Mobil- 1 and Shock-proof




Feb 21, 2012 at 11:40 AM
bushwacker
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p.1 #17 · T2i, 60D & 7D = same sensor



so guys.... these t2i, t3i, 60d & 7d all have the same IQ?

I guess T2i is the best value right now.



Feb 21, 2012 at 11:42 AM
kakomu
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p.1 #18 · T2i, 60D & 7D = same sensor


bushwacker wrote:
so guys.... these t2i, t3i, 60d & 7d all have the same IQ?

I guess T2i is the best value right now.


Of those 4, the 60D is the only one that can use the EF-S focusing screen, which allows you to more easily manual focus through the viewfinder. I know that's important to me, making the 60D the best value.



Feb 21, 2012 at 01:23 PM
dhphoto
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p.1 #19 · T2i, 60D & 7D = same sensor


bushwacker wrote:
I guess T2i is the best value right now.


Yes. IMHO at it's current low price the T2i is the best bang-for-buck dslr ever made (to date)



Feb 21, 2012 at 01:47 PM
SeverianTL
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p.1 #20 · T2i, 60D & 7D = same sensor


No, as has been pointed out, they are not the same sensor but for most purposes (except frames per second) they might as well be. If you get files (with EXIF intact) from each of these cameras and examine the "Maker Notes" section of the EXIF you'll see that while the effective number of pixels is the same, the actual number of pixel on the chips differ between the 7D and the other three cameras. You'll also see that the black levels are different as well as the white levels. And of course there are the readout differences.

Check section 9.1 of this page: http://lclevy.free.fr/cr2/ which gives relevant sensor info for a lot of Canon cameras.

To get an idea of the 8-channel (not 4-channel as previously stated) readout of the 7D just look at this diagram of the 1DX and reduce the number of channels into each of the four ADCs from 4 to 2 (so 8 total instead of 16) and replace Digic 4s for the Digic 5+s. This is the same readout scheme as the 1D4. http://learn.usa.canon.com/resources/articles/2012/digic_processors.shtml?WT.mc_id=EM1202EO05001&RID=1-57A5NL&CON=1-KHV-68&PRO=&CID=1-54WM6N Click on the 6th picture to see the diagram.



Feb 21, 2012 at 05:54 PM
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