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Archive 2011 · 7D highlight banding

  
 
Daan B
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p.1 #1 · 7D highlight banding


I am considering buying a 7D.

The thing that is holding me back right now, is the highlight banding I have seen in a number of 7D files. Even without PP it is visible. Unlike the shadow banding, that only becomes visible when you alter exposure/push shadows.

What I am curious about: do all 7D's exhibit this highlight banding? Or is it subject to copy variation?

For a sample of the 7D highlight banding, scroll dow this page, download the London Tower Bridge RAW file and look at the skies (left and right middle):
http://www.photographyblog.com/reviews/canon_eos_7d_review/sample_images/

I have seen it in other 7D files too.



Mar 15, 2011 at 06:29 AM
MrAdventure
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p.1 #2 · 7D highlight banding


Daan B wrote:
I am considering buying a 7D.

The thing that is holding me back right now, is the highlight banding I have seen in a number of 7D files. Even without PP it is visible. Unlike the shadow banding, that only becomes visible when you alter exposure/push shadows.

What I am curious about: do all 7D's exhibit this highlight banding? Or is it subject to copy variation?

For a sample of the 7D highlight banding, scroll dow this page, download the London Tower Bridge RAW file and look at the skies (left and right middle):
http://www.photographyblog.com/reviews/canon_eos_7d_review/sample_images/

I have seen it in other 7D
...Show more

Wow...

Nope, don't have that issue with mine. I've shot a variety of things over the past year with no issues. Maybe that was solved in firmware 1.2.3?



Mar 15, 2011 at 07:28 AM
Daan B
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p.1 #3 · 7D highlight banding


MrAdventure wrote:
Nope, don't have that issue with mine. I've shot a variety of things over the past year with no issues.


Good to hear. Even though it implies copy variation or:

Maybe that was solved in firmware 1.2.3?

I hope so...



Mar 15, 2011 at 08:19 AM
n0b0
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p.1 #4 · 7D highlight banding


What's the difference between the JPEG and the RAW? coz I didn't see anything out weird in the JPEG. What is it I'm supposed to look for?


Mar 15, 2011 at 08:32 AM
davenfl
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p.1 #5 · 7D highlight banding


Never ever had a problem. In the DIWA samples you point to with your link perhaps you would like to point to specific examples of this issue. I don't really see them and they don't mention them as part of their evaluation. As a matter of fact they make a point about the camera having the "highest image quality" on several occasions. So I would be interested in knowing where you see these problems.

Dave



Mar 15, 2011 at 08:35 AM
jj birder
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p.1 #6 · 7D highlight banding


The sky above Tower Bridge really does have banding. Sadly the 7D is too poor a camera to record it properly and it can't be seen in the photo.


Mar 15, 2011 at 08:42 AM
Daan B
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p.1 #7 · 7D highlight banding


Please download the London Tower Bridge RAW image and take a look at the sky. There is vertical banding visible. Most prominently at the left and right sides (in the middle). Look at the sky.

I am willing to put up the sample myself, if somebody tells me how to embed a flickr image in this thread.



Mar 15, 2011 at 08:44 AM
n0b0
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p.1 #8 · 7D highlight banding


Daan B wrote:
I am willing to put up the sample myself, if somebody tells me how to embed a flickr image in this thread.


Choose the highest resolution, right click the image, Copy Image Location (Firefox) and just paste it here.



Mar 15, 2011 at 08:54 AM
garyvot
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p.1 #9 · 7D highlight banding


Never saw this in any of my files. Can't imagine this is a widespread issue or it would have been all over the boards long ago.


Mar 15, 2011 at 09:39 AM
TrojanHorse
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p.1 #10 · 7D highlight banding


I'm looking at the RAW file and nothing stands out to me, maybe your monitor (or eyes) are better than mine?

The only thing I noticed is a slight bit of pixelated color in the skies, but it's mild and even a little bit of NR cleaned it up.



Mar 15, 2011 at 09:46 AM
fcobb
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p.1 #11 · 7D highlight banding


jj birder wrote:
The sky above Tower Bridge really does have banding. Sadly the 7D is too poor a camera to record it properly and it can't be seen in the photo.




Mar 15, 2011 at 09:54 AM
davenfl
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p.1 #12 · 7D highlight banding


Daan B wrote:
Please download the London Tower Bridge RAW image and take a look at the sky. There is vertical banding visible. Most prominently at the left and right sides (in the middle). Look at the sky.

I am willing to put up the sample myself, if somebody tells me how to embed a flickr image in this thread.


Absolutely nothing on any of my four 24 inch LCD in the studio, total nonsense.

Dave



Mar 15, 2011 at 10:01 AM
sifpandor
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p.1 #13 · 7D highlight banding


Writing that the 7D is a poor camera, is the sort of thing can put some 7D owners on the defensive. I've never had any issues with my 7D of any sort. Love my 7D. Is it perfect, well, no, but I can't afford a 1 series. The 7D does display more noise in blue sky than my 20D at low ISO, but it smoothes out nicely in PP. Also, with as densely packed as the pixels are, some compromises must be made. I'm willing to put up with something that is easily fixed in post in exchange for all of the capabilities of the 7D.

-- Mark



Mar 15, 2011 at 10:10 AM
Daan B
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p.1 #14 · 7D highlight banding


See below

Edited on Mar 15, 2011 at 10:25 AM · View previous versions



Mar 15, 2011 at 10:18 AM
Daan B
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p.1 #15 · 7D highlight banding


http://farm6.static.flickr.com/5297/5528950761_336b624f03_b.jpg


Mar 15, 2011 at 10:24 AM
Daan B
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p.1 #16 · 7D highlight banding


Adding a little contrast makes it worse

http://farm6.static.flickr.com/5257/5528950703_85cbca6829_b.jpg



Mar 15, 2011 at 10:25 AM
Daan B
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p.1 #17 · 7D highlight banding


Different 7D, same thing:

http://farm6.static.flickr.com/5140/5528985603_bca0f8277e_b.jpg



Mar 15, 2011 at 10:28 AM
Daan B
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p.1 #18 · 7D highlight banding


And another 7D camera:

http://farm6.static.flickr.com/5012/5529321367_29fcca3a49_b.jpg

Anyone?



Mar 15, 2011 at 12:54 PM
TrojanHorse
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p.1 #19 · 7D highlight banding


I guess I can sort of see it, but I'm not sure I would call it "banding" in the sense that the 5d2 has shadow banding because a) it's barely noticeable and b) even the mildest pp would probably get rid of it. It almost looks more like noise to be honest.

I'm on a different screen now, maybe I really do need to replace that other one.



Mar 15, 2011 at 01:00 PM
Daan B
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p.1 #20 · 7D highlight banding


I agree... it doesn't look like 5D2 shadow banding. Still, there are distinct vertical lines (like a pattern). Hence I call it "banding". But maybe it is just noise. I don't know. But it is difficult to kill in PP (NR) because you will loose (some) detail in other areas in the process.


Mar 15, 2011 at 01:13 PM
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