Canon 80D - RAW Merge to HDR - Purple

[56_kruiser]

I've been told that the problem I'm having is likely because the software does not support my RAW files.

I'm using a Canon 80D. The raw files are cs2 files. 

 

The problem I get is a purple cast when I load an HDR merge from Raw files. On the picture of the room attached, you will particularly notice it on the ceiling outside the windows.

As JFYI...the other image is what I get when loading them into Photomatix 4 Pro.

Anyone know if there is a new CS2 file from now that is not supported in Affinity?

 

[v_kyr]

See: Supported Raw Cameras (1.6.x)

The EOS 80D is at least listed there as beeing supported. And under APh for MacOS that cam ist too supported when switching over to the Apple RAW engine instead of the Affinity one (for Canon's RAW format). - You have to give it a try out.

OT: Purple cast for Canon Cams and magenta cast for Canon printers are something I've sadly seen a lot over the past years.

 

 

[AiDon]

I believe that M-RAW and S-RAW are not supported.

[DWright]

If you switch your camera to the standard Canon RAW format ( cr2 ) you will not get the purple tint on opening the RAW or creating a HDR merge.

[56_kruiser]

On ‎12‎/‎12‎/‎2018 at 6:49 AM, DWright said:

If you switch your camera to the standard Canon RAW format ( cr2 ) you will not get the purple tint on opening the RAW or creating a HDR merge.

I can't find how to do that. I do have RAW selected, not mraw or sraw. 

I notice that I said wrong extension in my original post. They are CR2 files. 

[HVDB Photography]

16 hours ago, 56_kruiser said:

They are CR2 files. 

CR2 files shouldn't be an issue ...

[56_kruiser]

I agree. But as you can see from the picture I loaded, it is for me. 

Not sure what to think about it. I hate to have to go to using JPGs and ditch RAW. May have to.

[HVDB Photography]

If it would be possible to provide a download link (e.g. free Wetransfer service) to one of the RAW files, some may have a look at ?

[56_kruiser]

On 12/16/2018 at 1:44 PM, HVDB Photography said:

If it would be possible to provide a download link (e.g. free Wetransfer service) to one of the RAW files, some may have a look at ?

Some files are in this Dropbox Link.

[v_kyr]

Looks Ok to me in APh here under OSX though, I don't see the initial shown purple cast on the ceiling outside the windows...

[Gabe]

We tested it here and we do not get the purple cast. Have you got a custom Colour Profile for your monitor? 

[HVDB Photography]

I did some testing.
When using all of the RAW files you provided the same issue arise (in 1.6.5.123 as well as  in Beta 1.7.0.209)
Using only the first three of them (IMG_8093, IMG_8094, IMG_8095) the problem doesn't occurs !!!
Strange behavior !!
Maybe this is something the DEVs could have a look at ?

And ... yes, I have a custom color profile for my monitor ( DATACOLOR Spyder 5 PRO )
 

[Gabe]

20 minutes ago, HVDB Photography said:

When using all of the RAW files you provided the same issue arise

Using them how? What are the steps? If we manage to replicate it, we can further look into the issue.

[lepr]

.

[lepr]

.

[HVDB Photography]

I Did some further testing using ALL of the RAW files.
I'm using the basic HDR merge settings.
The issue seems to happen randomly (Windows 10) !
See attachments ..
 

[All Media Lab]

Hi,

I use the Canon 80D too with no issues.

Can not replicate the same purple total overlay from your first post with your images in affinity.   

Did some testing in Affinity, Capture One and Photomatix. The issue you see is  simply a wrong white balance caused by the fact that you use inside light and daylight (partly coming through a blue cloth)  at the same time.

Try to adjust the white balance to around 5200/5500 (in Affinity Photo around 70% temperature) for all images and then  merge them again. At the moment the images become 5 times the wrong white balance added up in any application. That shows a purple/blue overlay in the daylight part of the image outside.

Regards,

David 

Made with Photomatix Pro 6.1.1:

[HVDB Photography]

8 hours ago, All Media Lab said:

simply a wrong white balance

Believe it or not, but that also was my first thought.

8 hours ago, All Media Lab said:

Try to adjust the white balance to around 5200/5500 (in Affinity Photo around 70% temperature) for all images and then  merge them again.

I did try changing only the white balance to 5600 for 3 of those RAW files, developed them and had them all three stuck in Photo Persona.
But ... then I realized that for "New HDR Merge" there isn't an option to use these files straight from Photo Persona !!
But in this way I think you already lose some of the benefits of native RAW capture. Because they have already undergone a development.

Nevertheless, this afternoon, I thought, why not exporting them as 16 Bit TIFF and test if "New HDR Merge" would accept them.
And so it happened.

But in the meantime I have not succeeded in producing yet another purple color cast.
 

[All Media Lab]

Hi,

Quote

HVDB Photography: But in the meantime I have not succeeded in producing yet another purple color cast.

Yes and the image of the total purple color cast is processed in a outdated version of Photomatix. The first image I placed is made with Photomatix Pro 6.1.1 at 5200 K and shows no issues.

Regards,

David 

 

[karm3ll]

I have just tested the same process with the files provided and did get the purple haze whilst merging all 5 files.

Then did another test using images 8095, 8096 and 8097 and there was no purple haze.

Third test contained images 8093 and 8094 and it produced a horrible purple haze.

I have experienced the same problem with .NEF files shot on a Nikon D810. The only time I get purple haze like this is when I am doing a HDR merge of images shot with a flash gun, or if there is a mixture of flash and natural light. Never experienced any problems wit natural light only.  

It only seems to appear with flash photography.

 

 

[All Media Lab]

Hi karm3II,

When you scroll up 3 posts above yours you can read the solution! No need for further testing!

Regards,

David