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What are you guys using for white balance?
Old 03-21-2007, 05:42 PM   #1 (permalink)
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So is it Photovison, Lino disk, Exposure Disk , White Balance Kards, Pringles can tops, WhiBals, etc.?
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Re: What are you guys using for white balance?
Old 03-21-2007, 08:40 PM   #2 (permalink)
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Macbeth color checker, just remember whatever you use, you need to shoot it with your lights clean, no gels, otherwise the click balance clears out the gels

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Re: What are you guys using for white balance?
Old 03-21-2007, 09:02 PM   #3 (permalink)
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I just cut out a piece of Super White seamless and taped it to a piece of cardboard. I also have one that has 1/2 black and 1/2 white, that I use for checking the histogram.

R
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Re: What are you guys using for white balance?
Old 03-21-2007, 09:34 PM   #4 (permalink)
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Nothing fancy is needed. You can use a white card or a gray card. Since almost everyone has a gray card, that's the easiest thing to use and you know that its a neutral color. Often time you're not sure about white. Since I always carry a black/gray/white target, I just use the middle strip of it. Here is what it looks like:

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Re: What are you guys using for white balance? 


I also use it for zeroing in on precise exposure. In the example photo above of Dee, I've drawn a dashed line around the area that you would usually fill the view finder with. If you have proper exposure, then you'll see three spikes like those shown on the camera's histogram. You use the same image for the CWB balance reference shot.

If you're shooting RAW, where you can choose the White balance later, then you can use the reference shot with the RAW eyedropper for your initial WB. If shooting JPG, then you can use the reference shot with Curves and its three eyedroppers for color balancing.

The target I use is one of those that folds up and is small enough to put in my back pocket.

Cheers,
rfs
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Re: What are you guys using for white balance?
Old 03-21-2007, 09:38 PM   #5 (permalink)
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I use an ExpoDisc. I love it and my clients love the results.
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Re: What are you guys using for white balance?
Old 03-21-2007, 09:58 PM   #6 (permalink)
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R,

I watched the CD instructions that say for JPEG to use the white side after you use the tri-color side to confirm exposure using the histogram.

I have been running a series of tests, and am getting a huge cyan shift when I use the middle gray area of the target to color balance JPEGS with the droppers with my friends Mac. I will test the file with my PC later today to see what is going on.
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Re: What are you guys using for white balance?
Old 03-21-2007, 10:00 PM   #7 (permalink)
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Timdog,

How do you set your white balance when you are using flash on camera with that device. My understanding is that you apply it to your lens and then stand at the subject location and point the lens back toward the camera position. If you are shooting with sun only, no problem. If you are using fill flash, then your flash is no longer there. How do you deal with this?

Thanks
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Re: What are you guys using for white balance?
Old 03-21-2007, 10:15 PM   #8 (permalink)
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There is an older DVD/CD and a newer one. He uses the tri-color side for the CWB on the newer DVD. Here are my tests shots of a Macbeth color card using a white card for CWB on one shot and a gray card for the other:





I think you'll see the difference is minimal. But you do have to be sure that for the given camera you use that you properly fill a certain area with white or gray. For example, on the Canon 20D you have to fill with gray, the central metering point.

Cheers,
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Re: What are you guys using for white balance?
Old 03-22-2007, 09:04 AM   #9 (permalink)
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Quote:
Originally Posted by kgphoto View Post
Timdog,

How do you set your white balance when you are using flash on camera with that device.
I recommend what most pros do, what I've been doing for years, shoot a grey card then mass apply the WB to those. You might do a google for an 18% grey card, they're easily locatable, that should help you out.
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Re: What are you guys using for white balance?
Old 03-23-2007, 09:58 AM   #10 (permalink)
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I also use the McBeth charts, they are very accurate, however, when shooting larger scenes, the size of the blocks is a bit of an issue.
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