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Thread started 29 Aug 2017 (Tuesday) 06:57
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White balance for video in stage lighting

 
KatManDEW
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Aug 29, 2017 06:57 |  #1

Any recommendations for what white balance to use for video with stage lighting. The color of the lighting of course changes dramatically, and the video gets really weird looking sometimes with auto white balance, especially with magenta stage lights.




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PhotosGuy
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Aug 29, 2017 07:06 |  #2

My feeling is that the changes in the lighting are a carefully crafted part of the program, so I would turn off AWB, manually set incandescent WB, & just accept what is presented to me. Otherwise you're just chasing WB through the entire event.
Of course, venues using LED lighting will require a different WB setting.


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RDKirk
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Aug 29, 2017 08:24 |  #3

PhotosGuy is basically correct.

To the extent that the lighting is designed, you want to reflect that in the image. Generally, setting your camera for tungsten is the best you can do.

The modern trend is toward LED lighting. It's not hard to see why--runs cooler, cheaper, and a lot longer between bulb changes 'way up high.

But stage LEDs absolutely stink for photography and video, and they're nothing much you can do about it.

Stage LED lights, if you look at them, simulate "white" light for the eye by merely having a sprinkling of separate red, green, and blue LEDs on the light panel. That fools the eye well enough, but not the imaging sensor.

And most of the time (in my experience), only the main lights have even all three colors of LEDs. Most of the auxiliary lighting will be just red and blue LEDs.

Or, lordy, they'll just mix in everything. Maybe the spots will be tungsten and all the auxiliary lighting some mixture of RGB LEDs and RB LEDs.

So, if there are some tungsten's in the mix, you can do a bit of tweaking in post. but you'll largely have to live with a magenta cast otherwise, because the hues you need just don't exist in the light you have to work with.




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KatManDEW
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Aug 29, 2017 09:12 |  #4

Thank you PhotosGuy and RDKirk!

I can't remember is the venue where I will be working has LED lighting. I did video at a venue with all LED strip lights and that lighting was a nightmare for video.

I'm thinking I might be better off to set the white balance manualle instead of letting it "float" in AUto WB mode. Maybe take a few photos on stage with the stage lights off, determine my best WB setting, and use that for the video. WHat do you think?

Thanks again!




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PhotosGuy
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Aug 29, 2017 09:24 |  #5

KatManDEW wrote in post #18439944 (external link)
I'm thinking I might be better off to set the white balance manualle instead of letting it "float" in AUto WB mode.

What sort of event is it? Some have dress rehearsals before & they're useful to plan what what to do at the main event.

Maybe take a few photos on stage with the stage lights off, determine my best WB setting, and use that for the video. WHat do you think?

Why would you want the stage lights off?


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nathancarter
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Aug 29, 2017 13:09 |  #6

KatManDEW wrote in post #18439944 (external link)
I'm thinking I might be better off to set the white balance manualle instead of letting it "float" in AUto WB mode. Maybe take a few photos on stage with the stage lights off, determine my best WB setting, and use that for the video. WHat do you think?

Manually set it to tungsten.


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KatManDEW
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Aug 29, 2017 18:52 as a reply to nathancarter's post |  #7

That's what I was thinking. Thank you!




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Left ­ Handed ­ Brisket
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Aug 29, 2017 19:38 |  #8

Magenta and red are tough. I am not a big video guy but my basic understanding is that shooting C-log should help with post production when the color gets weird.


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KatManDEW
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Sep 01, 2017 18:04 |  #9

Left Handed Brisket wrote in post #18440356 (external link)
Magenta and red are tough. I am not a big video guy but my basic understanding is that shooting C-log should help with post production when the color gets weird.

I have not researched C-log. Thanks for the note.




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RDKirk
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Sep 01, 2017 20:12 |  #10

Left Handed Brisket wrote in post #18440356 (external link)
Magenta and red are tough. I am not a big video guy but my basic understanding is that shooting C-log should help with post production when the color gets weird.

C-log can't add a color to the light that wasn't in the light. When the spectrum of the original light is so woefully incomplete, it can't be fixed--except maybe by some form of computer-generated coloration.




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Left ­ Handed ­ Brisket
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Sep 01, 2017 21:09 |  #11

RDKirk wrote in post #18442474 (external link)
C-log can't add a color to the light that wasn't in the light. When the spectrum of the original light is so woefully incomplete, it can't be fixed-.

I never suggested it could.

But it can be made less obnoxious.


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White balance for video in stage lighting
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