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Archive 2012 · 5D3 greyed out areas in images
  
 
Mfevans
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p.1 #1 · 5D3 greyed out areas in images


Anybody have any idea what this is all about? its like this in many of the images i took that night though not all of them, exposure level doesn't seem to matter as it shows in extremely over exposed and underexposed and properly exposed images.

UPDATE: This is actually an HDR image (in-camera 5D3 HDR)... i guess this is what happens when the scene is just too crazy for the Digic5+

I do wonder why this is happening though...




  Canon EOS 5D Mark III    EF50mm f/1.4 USM lens    50mm    f/5.6    3s    800 ISO    0.0 EV  



Edited on Sep 12, 2012 at 01:56 AM · View previous versions



Sep 11, 2012 at 10:27 PM
Bearmann
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p.1 #2 · 5D3 greyed out areas in images


Is the gray area always in the highlights?

Defective flash card or flash card reader?



Sep 11, 2012 at 10:38 PM
Monito
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p.1 #3 · 5D3 greyed out areas in images


It's not the camera or the card or the card reader. It's conversion or post-processing. You haven't bothered to detail either. You don't even say if you shot Raw or JPEG. This basic information that is necessary to help us help you.

You say it is HDR. It doesn't look like a multiple exposure HDR, but could be. It's not HDR unless it is multiple bracketed exposures, even if it has been processed through some "hdr" software, also unspecified.

How did you shoot this image?

How did you convert this image?

How did you post-process this image?



Sep 12, 2012 at 12:40 AM
Mfevans
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p.1 #4 · 5D3 greyed out areas in images


this is an in-camera HDR process with the 5D3 (which results in one jpeg (hdr) file). After this i used photoshop to reduce the size to the 600k upload limit. it "looks" exactly the same as the original file


Sep 12, 2012 at 01:56 AM
scalesusa
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p.1 #5 · 5D3 greyed out areas in images


The in camera HDR has several options, including art effects. Try the different settings to see what results. If you use RAW, then you can vary the effects in post processing. jpeg bakes them in


Sep 12, 2012 at 02:14 AM
Mfevans
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p.1 #6 · 5D3 greyed out areas in images


I know I can just do my own HDR image afterwards with the files but the question is why the in-camera HDR program is giving me images like this.


Sep 12, 2012 at 02:43 AM
LightShow
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p.1 #7 · 5D3 greyed out areas in images


My guess it's a glitch in the software, I'd call Canon service.


Sep 12, 2012 at 06:14 AM
marcus riley
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p.1 #8 · 5D3 greyed out areas in images


I think that when there is some big difference between the frames using the in-camera HDR, the camera just gives up and doesn't work hard trying to correct those areas. I think the gray area confused the camera either because of the exposure in those areas or perhaps because of the water moving (or likely a combination of both), and just gave up trying to blend those areas. It is weird though and I agree that you should contact Canon just to make sure they know about this and see if they have any info.


Sep 12, 2012 at 07:44 AM
Ralph Conway
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p.1 #9 · 5D3 greyed out areas in images


Looks like kind of random failure in HDR processing to me, too.
Did you save the raws?

Ralph



Sep 12, 2012 at 07:49 AM
dhphoto
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p.1 #10 · 5D3 greyed out areas in images


Ralph Conway wrote:
Looks like kind of random failure in HDR processing to me, too.
Did you save the raws?

Ralph


+1

If this happens on individual RAW files you have a problem, if it is just in the HDR conversion it's more than the in-camera HDR can handle (unsurprisingly)



Sep 12, 2012 at 09:36 AM
 

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Monito
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p.1 #11 · 5D3 greyed out areas in images


Shoot in Raw mode, even for in-camera HDR. Then you can examine the individual Raw exposures to see what they hold.

If you did or do shoot in Raw, you can take the constituent Raws and process them in Canon DPP's HDR modes. You'll be able to see how adjusting the parameters affects the images and how the different modes come out.

I am sure your camera is not at fault.

Still missing are whether it was a one shot "hdr" or a multiple exposure HDR.

Are you able to reproduce the effect? If you can, then it would be very interesting to see the source Raw or Raws, converted in DPP or PS or LR, converted straight in Standard mode or Faithful mode and resized for the web.



Sep 12, 2012 at 11:47 AM
Bearmann
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p.1 #12 · 5D3 greyed out areas in images


Marcus,

I'll bet you are correrct. I'll place my bets on the moving water.



Sep 12, 2012 at 01:00 PM
Mfevans
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p.1 #13 · 5D3 greyed out areas in images


i do have the original 3 files the camera used to make this image... they are fine

all of the hdr images that night have this...



Sep 15, 2012 at 03:34 AM
Mfevans
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p.1 #14 · 5D3 greyed out areas in images


however, no other hdr images from different scenes have exhibited this effect


Sep 15, 2012 at 03:55 AM
UCSB
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p.1 #15 · 5D3 greyed out areas in images


http://learn.usa.canon.com/resources/articles/2012/5d3_hdr_capabilities.shtml

Which HDR image effect were you using? It almost looks like Art Embossed. Which may have been a poor choice. Plus moving water can add to the problem.



Sep 15, 2012 at 06:05 AM
Mfevans
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p.1 #16 · 5D3 greyed out areas in images


HDR effect was "natural"


Sep 16, 2012 at 05:43 PM
Ralph Conway
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p.1 #17 · 5D3 greyed out areas in images


Did you make a HDR pic by yourself using the raws? And if, would you be so kind to show it?

Ralph



Sep 16, 2012 at 07:16 PM
Gunzorro
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p.1 #18 · 5D3 greyed out areas in images


Ha-ha!

"Did you have raccoons operating the camera or computer?"

I agree -- it seems you've uncovered a glitch in the in-camera program, having to do with extreme high contrast and DR range exceeding the normal in-camera HDR function. How has it worked in "normal" exposure situations, without the sun being in the picture?

I'd call Canon customer service and report it.



Sep 16, 2012 at 08:14 PM
dswiger
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p.1 #19 · 5D3 greyed out areas in images


In camera features like HDR would not be my choice.
You have surrendered artistic control to algorithms when HDR as a PP tool is over used & abused or at least miss-understood. Don't get me wrong, the basic concept of expanding dynamic range with a bracketing tool is good, but if you want to "own" the photograph, better to make the blending choices.

Dan



Sep 16, 2012 at 08:21 PM
Mfevans
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p.1 #20 · 5D3 greyed out areas in images


Well, clearly i'll be using my own methods to make HDR images from now on...


Sep 17, 2012 at 01:28 AM
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