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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 06 Apr 2013 (Saturday) 11:39
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6d. Lines in shadows :(

 
rapurimanka
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Apr 06, 2013 11:39 |  #1

Here is original vid from camera:

https://dl.dropbox.com​/u/5020311/MVI_3580.MO​V (external link)

Its iso 100 and faithful profile (default values)

Take a look at this screenshot. What is it:
https://dl.dropbox.com​/u/5020311/6d%20lines.​png (external link)

I see it in shadows only. In normal daylight videos its impossible to see such...


6D | Canon 85 1.8 | Canon 24-105 4 | Lightroom 4
https://www.flickr.com​/photos/27393138@N08/ (external link)

  
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rapurimanka
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Apr 06, 2013 14:17 |  #2

I wonder if anyone else have same picture :(


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TTuna ­ Eye
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Apr 06, 2013 14:20 |  #3

I don't see what you are seeing on my screen. I just have used my 6D for stills but have been very happy with it.


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rapurimanka
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Apr 06, 2013 14:27 |  #4

TTuna Eye wrote in post #15797639 (external link)
I don't see what you are seeing on my screen. I just have used my 6D for stills but have been very happy with it.

Did you check screenshot?


6D | Canon 85 1.8 | Canon 24-105 4 | Lightroom 4
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David ­ Ransley
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Apr 06, 2013 14:50 |  #5

Yup - Canon trademark. Visible vertical pattern in shadow\dark areas under certain conditions.


DRH

  
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Snowyman
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Apr 06, 2013 15:53 |  #6

There are numerous very good reasons why underexposure is avoided, this is one of them. If you want dark shadowy movies shoot in good light, get the correct exposure then darken the mood in post. It is a century old technique.


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sandpiper
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Apr 06, 2013 17:48 as a reply to  @ Snowyman's post |  #7

Yeah, that is just the pattern of the noise caused by severe underexposure, usually made much worse by attempting to brighten the scene.

Sometimes if you have an area of deep shadow, in an otherwise correctly exposed scene, it is best to just leave that area dark, and not try and pull detail out of it as it will bring out pattern noise like this, that otherwise you wouldn't see.

Apparently, the 5DIII also shows this tendency, but I have never personally seen it on mine as I don't try and pull up such underexposure. If I really need shadow detail, I take a second shot exposed for the shadows and blend them (probably not much help if you are shooting video though).

All you can do is try not to underexpose so heavily, if you have a problem shadow area, you need to add light to it, when you take the shot.




  
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kcbrown
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Apr 06, 2013 18:48 |  #8

Hmm...I thought the 6D was effectively free of this particular issue, but I guess not.


"There are some things that money can't buy, but they aren't Ls and aren't worth having" -- Shooter-boy
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elrey2375
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Apr 06, 2013 23:26 |  #9

kcbrown wrote in post #15798185 (external link)
Hmm...I thought the 6D was effectively free of this particular issue, but I guess not.

It's a Canon... so no:lol:


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rapurimanka
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Apr 07, 2013 03:09 |  #10

For photo mode there are no banding, so yes. But in video its here :(((


6D | Canon 85 1.8 | Canon 24-105 4 | Lightroom 4
https://www.flickr.com​/photos/27393138@N08/ (external link)

  
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kcbrown
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Apr 07, 2013 10:33 |  #11

rapurimanka wrote in post #15799274 (external link)
For photo mode there are no banding, so yes. But in video its here :(((

You have to push your shadows in postprocessing to see it.


"There are some things that money can't buy, but they aren't Ls and aren't worth having" -- Shooter-boy
Canon: 2 x 7D, Sigma 17-50 f/2.8 OS, 55-250 IS, Sigma 8-16, 24-105L, Sigma 50/1.4, other assorted primes, and a 430EX.
Nikon: D750, D600, 24-85 VR, 50 f/1.8G, 85 f/1.8G, Tamron 24-70 VC, Tamron 70-300 VC.

  
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6d. Lines in shadows :(
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