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FORUMS Photography Talk by Genre General Photography Talk 
Thread started 19 Mar 2015 (Thursday) 17:55
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Auto White Balance ???

 
blksporty
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Mar 19, 2015 17:55 |  #1

On Saturday I have a cheerleading competition to shoot. Last year I used AWB, but with all the colored lights I was wondering if something else would be better. What would do….


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hollis_f
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Mar 19, 2015 18:35 |  #2

Shoot raw, alter WB in post-processing.


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Jon
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Mar 19, 2015 19:48 |  #3

blksporty wrote in post #17482666 (external link)
On Saturday I have a cheerleading competition to shoot. Last year I used AWB, but with all the colored lights I was wondering if something else would be better. What would do….


hollis_f wrote in post #17482715 (external link)
Shoot raw, alter WB in post-processing.

Shooting RAW and winging the WB in post is every bit as chancy. Shoot RAW, by all means, but take a CWB from a grey card under the base lighting. If you can have a grey/white standard that'll be visible in at least one photo from each sequence, then you can adjust in post from that. Maybe there's a spot on the floor that's a clean white or near white. If not, at least you'll have neutralized the base light level, so what's left will be (mostly) the colours the competitors chose to go with in the lighting. Don't rely on any parts of their uniforms being a clean white - they probably use brighteners in cleaning them and those frequently fluoresce under the lights (same reason TV people always, back in the day, wore blue, rather than white, shirts - unadulterated white tends to look a dingy grey in B&W, while a fluorescing blue will really look white).


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blksporty
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Mar 19, 2015 19:54 |  #4

Thanks to both for the tips. I shot jpeg last year will try raw this time


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hollis_f
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Mar 20, 2015 01:56 |  #5

Jon wrote in post #17482824 (external link)
Shooting RAW and winging the WB in post is every bit as chancy.

Only if you're after an accurate WB. If you want the right WB then you'll need to 'wing it' in PP even if you use a grey card.


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Mar 21, 2015 05:09 as a reply to  @ hollis_f's post |  #6

In situations like this I forget WB and edit to an acceptable skin tone on faces, or at least on the main subject if the light is inconsistent. Capture One makes this a little easier, but it can be done in Lightroom as well, just not with one click.


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Wilt
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Mar 21, 2015 08:47 |  #7

A key point, during this 'debate' about custom white balance technique, is 'NOT AWB' which can be highly flawed in its result even from shot to shot.


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AlFooteIII
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Mar 21, 2015 10:10 |  #8

I shoot in the theatre, which is NOTHING but colored lights. I shoot RAW, with WB set to tungsten (since that's what most of the instruments are (thought LEDs are becoming more prevelant)) and fix anything that is outrageously odd looking in post.

But in my case, I'm supporting the color, since that is what the LD intended.


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Tom ­ Reichner
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Post edited over 4 years ago by Tom Reichner.
     
Mar 21, 2015 15:16 |  #9

I would set the WB to the K setting. Then, I would set the K value to something fairly neutral, such as 5400 degrees. Then I would take a test shot of the scene I wish to photograph I would look at the test shot on the LCD screen, and compare it to the real scene before me. If the shot on the LCD looked warmer than the real life scene, then I would turn the K setting down to, say, 4800 and take another test shot. If it then looked a bit too cool, I would set the K value to 5000 degrees and compare. Tweak the K temperature until it looks just right.

It may sound complicated and time consuming, but in reality I go thru that process dozens of times each day, and it takes about 10 seconds. It has the added benefit of developing your eye, with respect to light temperature. I can now see the light much more accurately than when I used AWB and adjusted in post.


"Your" and "you're" are different words with completely different meanings - please use the correct one.
"They're", "their", and "there" are different words with completely different meanings - please use the correct one.
"Fare" and "fair" are different words with completely different meanings - please use the correct one. The proper expression is "moot point", NOT "mute point".

  
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blksporty
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Mar 22, 2015 20:04 as a reply to  @ Tom Reichner's post |  #10

This is a great idea, wish I'd had that info yesterday. I shot everything on white fluorescent then fixed a preset in LR to correct it. It wasn't a bad way to do it, it just took one more step.


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jc1350
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Mar 23, 2015 07:04 |  #11

I second or third the "don't use AWB" comment. Even if it's way off, using a constant WB while shooting RAW will allow you to fix it once and copy the settings to the rest of the shots (assuming same exposure situation). I strive for correct WB in camera and I use this:

http://smile.amazon.co​m …te-Balance/dp/B003XJH1IY/ (external link) (expodisk knock-off). Even when WB is right, I still end up tweaking it some for one reason or another - most often simply for taste.


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blksporty
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Mar 24, 2015 08:14 as a reply to  @ jc1350's post |  #12

Thanks for the link, I never knew that these existed, I'll get one and give it a try.


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Auto White Balance ???
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