*** 5Dc vs 60D resolution test ***

Started Mar 17, 2013 | Discussions thread
qianp2k
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please don't twist my photos
In reply to schmegg, Mar 21, 2013

Here are CR2 RAW Files

Added two with 70-200L/4.0 IS. They are 100% cropped and processed by ACR with zero sharpening and zero NR (all other default) but cut most parts of sky and lawn to save my DPR gallery space.

There is a glitch at the moment to directly insert gallery photos.

ACR 5D + 70-200L/4.0 IS 100% cropped (upsampling 5D2 file to the same size of 60D file 5184x3456 before cropping to 100%)

ACR 60D + 70-200L/4.0 IS 100% cropped

To my eyes, 5D sample not only is sharper but also resolves more details (such as on bricks) at least with this lens. 5D photo also has better default contrast and color.

As I said this time I shoot from too far away under not very good light condition. I will do again in much closer distance under better light condition that will benefits 60D more.

Thank you - most helpful and I do appreciate you making them available.

I am very busy these days in work and preparing the Cancun trip starts this weekend. So finally have a chance to check these.

Now - to the subject at hand ...

Unbelievable to see you twisted my photos.

It is clear, even with these images (which were shot wide open with the 60D but stopped down one stop with the 5D) that the 60D resolves more detail.

Not true at all provided you don't twist my photos and processed default out of RAW.

Some examples where this is easy to see - be sure to view these at full size to see the full effects ...

1. Look at the detail in the hair, look at the eyes, look at the lips, look at the curved 'frame' around him ...

This is thru your twist and I have no idea how you did that.  No idea why you view at 3x or 4x sizes as simply not we view at 100% cropped, not on prints.

60D on left, 5D on right.

Here is the real one at 100% cropped and I upsampling 5D to match to 60D size at 5184x3456 thru CS6 Bicubic enlargement, default from ACR7, 0 sharpening and 0 NR.

Here are steps that everyone can duplicate:

  • load CR2 files into Photoshop CS6 or CS7
  • Use default setting, move sharpening bars all the way to left (zero sharpening).
  • Move NR bars all the way to left (zero NR);
  • Now in PS window, upsampling 5D files to 60D size (5184x3456) by using Bicubic enlargement (best for enlargement). 
  • Generate JPEG by using +12 max quality

Anyone can download my original RAW and duplicate the default processing that I used. 60D photo left and 5D photo right

2. In this example it is clear that the 5D was completely unable to resolve the chain-wire mesh in the fence, whereas the 60D has managed to capture it reasonable well (considering how far away this was!) ...

Again this is your twisted result. No ideal how you did that.

60D on left, 5D on right.

Here is the real one at 100% cropped and I upsampling 5D to match to 60D size

Wow, what a big difference and the one below is the authentic one from two cameras.

3. In this example the DO NOT ENTER sign in the 60D image is readable or close to it whereas the 5D has just rendered a mess. Also, look at the edge on the sign between the red and white areas. Also look at the edges of the slanted timber support in the top left-hand corner - the 60D has done OK but the 5D has rendered a staircase ...

Again this is your twisted one.

60D on left, 5D on right.

Here is the real one at 100% cropped and I upsampling 5D to match to 60D size.

Those three examples are just a few of the many areas where it is obvious. The more you look, the more you see.

Please don't twist, then you will see exactly as above and everyone would see that.

It's a shame the 60D didn't have the benefit of the one-stop closed aperture that the 5D enjoyed for this test, but, in any case, it made no difference.

Actually F4.0 on 60D = F6.4 on 5D.If I shoot F6.4 on 5D, 5D will lead more

The 60D has clearly resolved more detail.

LOL, check above again if you don't twist. 5D not only is sharper but resolves more fine details (such as the bricks), cleaner with much less fringe.

Since I own both cameras and generated thousand and thousand photos from each of them, I know so clearly 5D takes better portrait and landscape photo while 60D has 'reach' (pixel density) advantage in zoo and safari. They complement each other well.

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