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Mixing color temps on video


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#1 Dan Roberts

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Posted 27 December 2008 - 04:49 PM

Hi all

quick question really, when mixing different colour temps in a scene for example daylight and tungsten. should one white balance to the most prevalent source?


Cheers
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#2 Alfeo Dixon

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Posted 27 December 2008 - 05:03 PM

This is where art enters, it's a matter of style, preference, mood, color palate and on and on... lets not leave out gut instinct.
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#3 Walter Graff

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Posted 27 December 2008 - 05:05 PM

Hi all

quick question really, when mixing different colour temps in a scene for example daylight and tungsten. should one white balance to the most prevalent source?


Cheers


It's the easiest way. Unless you want a cooler or warmer look, go with what looks best to you.
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#4 Dan Roberts

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Posted 27 December 2008 - 05:07 PM

This is where art enters, it's a matter of style, preference, mood, color palate and on and on... lets not leave out gut instinct.



so lets say we had a room, with one large window letting in a big old shaft of daylight, but in the rest of the room were a collection of lamps giving off tungsten temp, if i balanced to the tungsten lamps the light coming through the window would be cooler??
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#5 Alfeo Dixon

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Posted 27 December 2008 - 05:29 PM

so lets say we had a room, with one large window letting in a big old shaft of daylight, but in the rest of the room were a collection of lamps giving off tungsten temp, if i balanced to the tungsten lamps the light coming through the window would be cooler??


Yes and if your scene is needs a cooler tone to it then your there. Lets say you need a warmer tone to the story, then go for the daylight and let the tungsten go warm (or balance even warmer than the daylight). You can even spit the difference or somewhere in between. This is your time to create a feeling and ad to the story.

Edited by Alfeo Dixon, 27 December 2008 - 05:31 PM.

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#6 Walter Graff

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Posted 27 December 2008 - 09:11 PM

Yes and if your scene is needs a cooler tone to it then your there. Lets say you need a warmer tone to the story, then go for the daylight and let the tungsten go warm (or balance even warmer than the daylight). You can even spit the difference or somewhere in between. This is your time to create a feeling and ad to the story.



Any room ambient light coming in a window is about 4000k. Tungsten practicals are closer to 2800k. I'd mix both by trying a white blance on a card near the lamp and eh room ambient light and see what you get. You'd probably find a nice compromise at around 32-34k. But to white to the lamps alone may be too much in the warm area meaning the natural light will be a bit too cool. But then agian are you saying the room has a window that is not prominent in terms of light? If so then I'd start with a present of 3000-3200k and see what you get. We could talk about what you could do till we are blue, but this is one you really jus thave to try. Try various whites till you find one that works. Or do what can and use a white balnce filter in post and re-white the room to what you like or color correct it. With expereince you will find that white balance is not such abig deal and not mystery. Just try what works or make it work.
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