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Output image file quality / JPEG artifacts


Standard Test Scene
The EOS 5D provides three output image size options (12.7 MP, 6.7 MP and 4.2 MP) in combination with either of two JPEG compression settings (Fine or Normal). Additionally of course the 5D provides a RAW capture mode, written to Canons second version RAW format (.CR2).

You can combine the two in RAW+JPEG mode writing one JPEG (of any size/compression) and one RAW.

Below you will find 200% magnified crops of the same 240 x 100 portion of the center of a sequence of images taken at full size but different output settings. The RAW file was converted to a TIFF using Canon RAW Image Task 2.2 (via Zoombrowser EX).

4368 x 2912 RAW - 13,996 KB .CR2 (not for download) (VGA TIFF crop)
4368 x 2912 (L) JPEG Fine - 4,916 KB .JPG
4368 x 2912 (L) JPEG Normal - 2,450 KB .JPG
3168 x 2112 (M) JPEG Fine - 2,859 KB .JPG
2496 x 1664 (S) JPEG Fine - 2,008 KB .JPG

You would be very hard pressed to notice any difference between the RAW converted image and JPEG Large/Fine, a relatively low compression level combined with a quality JPEG encoder. Even at the Normal setting artifacts don't really jump out of the image, you can detect some around fine detail if you look closely but it's safe to say that if your CF card is near full switching to Normal will gain you twice as many more shots with little downside.

Color space

The EOS 5D provides the independent selection of output color space, you can select from sRGB or Adobe RGB directly from the record menu (just above the selection for Picture Style). Images taken in the Adobe RGB color space have their filename prefixed with an underscore (_) this complies with DCF 2.0 (Exif 2.21), which makes it difficult to keep images in order if you shoot a mix.

Place your mouse over the label to see a ColorChecker chart shot in the respective mode. As you can see in this comparison rather than producing an identical result using Adobe RGB mode will deliver noticeably more vivid (and likely more accurate thanks to its wider gamut) color than sRGB. This is a bigger swing of saturation than we have seen from previous Canon digital SLRs.

sRGB Adobe RGB (converted to sRGB)

Color space: CIE u'v' Color Distribution chart

Note that in these samples the Adobe RGB image has not been converted to sRGB and so to view it correctly you will have to load it into a color space aware photo application and assign the Adobe RGB color space. Below each sample is the CIE u'v' Color Distribution chart; larger gray triangle approximately represents the range of color which the human eye can resolve, the inner triangle the available gamut in each color space (sRGB or Adobe RGB).

sRGB Adobe RGB
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Comments

Total comments: 11
Hai Ching Lee
By Hai Ching Lee (2 months ago)

Hi...!

I bought one last month for Usd500 in super good and working condition but without any lens......
I bought an L Lens 24-105mm f4 for another Usd 500...... a 50mm f1.4 for Usd350.......
After much testings around, I noticed 5D is not good at Indoor unless with the help of a Flash......However , at Outdoor I must say it is a Super duper Good Full Frame machine even though it is around 8 years old........!!!

I still feel it is a Good Investment as far as dollars and cents counts......
An FX cameras from Nikon like the D700 body will cost Usd1.3k in Malaysia......

I also own a Nikon D90 with standard kit lens 18-105mm, 70-300mm Tel lens, a Fx 24-50mm f3.5-4 and 20mm f2.8 and others...
Recently I bought an Adapter for Nikon lens to Eos FX body like 5D..........It WORKS very well but have to Manually focus......So now I can have Nikon lens on 5D body which safe me a lot for a start....!!
Used 5D MK-II is selling here at around Usd1.6k which I am looking forward to...!!

0 upvotes
JSnees
By JSnees (3 months ago)

I am using a nikkon D 5100. Have the opportunity to purchase a cannon eos 5d in excellent condition for $500 with 50mm f1.8 lens. Any advantages to this camera vs what I currently have besides FF? Good investment? I currently do not own any pro lenses from nikkon.

0 upvotes
SculptedPhotography
By SculptedPhotography (8 months ago)

The 5D was and is my first digital camera. It has served me with spectacular results. It's main minus for me has been its inability to use the higher ISO's, as anything higher than 200 produces visible grain in images that I print very large on my epson 24" printer. I almost always shoot with a monopod to assure the results.
Technology has changed and improved and I am searching for a replacement. I am invested in excellent Canon lenses and want to stay with Canon. I also want a camera that is not as heavy as my 5D (I am old and am fatigued by the weight of the 5D which I affectionately call "my brick".) Price is an issue too.
Still casting about trying to find a replacement.

0 upvotes
frosty 7
By frosty 7 (4 months ago)

hi i jus bot a canon eos 5d from a friend am i able to record video with the camera ?
thanks

0 upvotes
Ugo78
By Ugo78 (3 months ago)

No, unfortunately you are not able to shot video, neither by installing Magic Lantern (because the camera is not equipped with live view).

0 upvotes
InfraOptic
By InfraOptic (2 months ago)

Easy answer: Buy a Sony A7 mirrorless and a metabones adapter to use all Canon AF lenses.

0 upvotes
KariIceland
By KariIceland (8 months ago)

I wish you guys would do a new comparison with the 5D, would love to see it vs the newer dslr's

2 upvotes
qianp2k
By qianp2k (8 months ago)

Agreed! In all cameras announced around that time, only EOS 5D still attracts many discussions in DPR forums. How many are still talking Nikon D200 that announced just three months later these days? If you don't print/view in very big size, EOS 5D actually withstands most today's FF cameras very well till ISO 800/1600 in IQ, no mention crop cameras.

0 upvotes
sh10453
By sh10453 (8 months ago)

I love my 5D.
Using the 5D with quality Canon L lenses produces images that I do not see a difference between them and those taken by a newer camera (5D II, 5D III).

If video is not needed or required, then finding a clean 5D would be prudent.
Some very well kept, used lightly by some hobbyists can be found at around a $1,000 or less.

I have no immediate plans to shell out $3,000 or more for a newer model that is not going to give me much over the 5D, in terms of image quality.

But for commercial photographers, that's a different situation.

0 upvotes
Macandts
By Macandts (8 months ago)

Ditto. I could not be happier with my 5D. I'm also disappointed that the set up for image comparison keeps changing. It makes it difficult to compare any older digital camera with anything contemporary.

0 upvotes
MFog
By MFog (1 week ago)

I just sold my trusty old 5D. I love the camera but I will not miss cleaning the sensor every other week and fixing dust spots in lightroom! That was always a royal pain in the neck. Still a great camera.

0 upvotes
Total comments: 11