Weird white balancevalues with P 45 and C1 Pro

Questions and comments regarding Capture One PRO/DB/LE for Mac and Windows

Postby Jann Lipka » Tue Jan 31, 2006 5:28 am

According to Phase support people that got my files
the issue is C2 related and should be fixed with 3.7.4 .
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Re:

Postby NN8878311 » Tue Jan 31, 2006 10:09 am

Jann Lipka wrote:According to Phase support people that got my files
the issue is C2 related and should be fixed with 3.7.4 .


By "C2" do you mean C1 as in Capture One?

//Kristofer
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Postby Jann Lipka » Tue Jan 31, 2006 10:23 am

I'm sorry too much \"C\" s in my lif e,
Of course I mean C1 - Capture One .
Sorry .
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Postby NN8878311 » Tue Jan 31, 2006 10:31 am

I thought so :D

Do you also experience the big difference when increasing or decreasing Kelvin on the P45-files?
If I increase 100K it turns totally yellow, if i do that with any other RAW-file it just goes slightly warmer ...

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Postby Keith Carpenter » Tue Jan 31, 2006 5:13 pm

Kris,

Don't know for a Fact if this is the issue you speak of with WB sliders and Kelvin, but please review this Knowledge Base article #1918 for clarification.

http://support.phaseone.com/KB/Home/Sea ... nguageID=1

Cheers,
k c
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Incorrect Colotr Temp Numbers

Postby Jack111 » Sun May 07, 2006 5:18 am

Ignore this post. I'm in the wrong forum and 3.7.4 has fixed my problem.
Thanks Phase One!

Jack

On my Winsows XP Professional PC with -
Phase One P45
Firmsare 1.9.4
Set on Auto White Balance or
Daylight
Using C1 Pro 3.7.3

In all light conditions I have tested, which include -
1. bright sun at noon,
2. at 5:00 PM with sun at 40 degrees above horizon (Florida) ,
3. in open shade at 5:00 PM and
4. indoors at night with tungston lighting,
Capture One indicates a color temp of 2850. In every case, 2850. The images, however, appear reasonably close to correct, though not exactly correct. A WhiBal white balance adjustment increases the number by 50 to 100 Kelvin.

The P25 loan unit provided to me while awaiting delivery of the P45 did not have this problem. Daylight values on the P25 were consistently in the 4400 to 5500 K range. So were the values on a demo P25 provided by my dealer.

Sonething is very wrong here and needs to be corrected.

Regards,

Jack
Last edited by Jack111 on Sun May 07, 2006 6:32 pm, edited 1 time in total.
Regards,

Jack Varney
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Postby Jann Lipka » Sun May 07, 2006 5:30 am

C1Pro 374 solved this issue for me .
373 is an old beast now...:-)
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Postby Jann Lipka » Thu Jun 01, 2006 1:43 pm

I'm sorry for increasing the confusion but:
Last week I had a shoot that gave me new white balance problems.
Graybalancing was OK , unfortunately K sliders were completely way off, I could not make my image any colder then gray balanced value .
After describing the problem and sending a RAW file to C1 support
the answer was that there is a White Balance bug in the software that should be adressed with C1 v 4.0 .. ( coming in the future )

So 3.7.4 was an improvement but not to all situations ..
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Re: Weird white balancevalues with P 45 and C1 Pro

Postby nico111 » Thu Oct 01, 2009 6:41 pm

Sorry to comment on such an old post, but I cannot track down any other info. I am shooting a P25+. My raw captures are reverting to a color balance of 2000k (making them cyan/Blue/cool) Is this a profile issue? I am running C1 4.8.3 what is the fix for this?
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Re: Weird white balancevalues with P 45 and C1 Pro

Postby Paul_Steunebrink » Thu Oct 01, 2009 7:18 pm

If you do not get (sufficient) help here, I suggest you'd better post in the P series forum.
Best regards,
Paul E. Steunebrink, Image Alchemist (website All about Capture One), Capture One trainer
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Re: Weird white balancevalues with P 45 and C1 Pro

Postby Jon » Thu Oct 01, 2009 11:59 pm

Hi Nico,

Shooting tethered, set you white balance and then click the "set" button in the camera tab and it will upload the WB to the back. Also set your Next Capture Adjustments to "copy from primary, or copy from last."
Kind Regards,
Jon Gilbert
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