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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 06 Oct 2008 (Monday) 15:03
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Flash photography in tungsten environment...

 
rightaway
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Oct 06, 2008 15:03 |  #1

Hi,

I have to do flash photography in places where the predominent lights are tungsten. The subject colors are ok but the background ends being yellowish.
How can I get uniform color balance for both the subject and the background? Can I use a filter on the flash and use a "tungsten" color balance on the camera? any other tricks?

thanks




  
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Wilt
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Oct 06, 2008 15:10 |  #2

Put a 1/2 CTO gel on the flash, shoot with WB Tungsten.


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S-S
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Oct 06, 2008 15:12 |  #3

basically if you colour-match the flash to the ambient light you can use a single white balance setting for the whole room. if you cant get hold of proper gels or coloured diffusers try orange cellophane & stick a couple of layers over the flash head, and test it beforehand so you know how much to use




  
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NathanJK
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Oct 06, 2008 15:25 |  #4

You need to use a CTO (color temperature orange) gel on the flash and set the camera for a tungsten color balance.

Here's a nice big sheet of CTO gel, you can make like 20 of them for small flashes, or even cut one out thats the right size for a monolight AND a bunch of flashes: http://www.bhphotovide​o.com …_Full.html#spec​ifications (external link)

Here's something that you might find helpful, its a pack of filters. Not only can you find CTO in there, but it will have plus green (for balancing for flourescent) and other useful ones! http://www.bhphotovide​o.com …rrection_Kit.ht​ml#reviews (external link)

I personally carry around 3 filters per flash: CTO, straw (I think it's 1/2), and plus green. I then keep one of the big lee swatchbooks in the case too in case I need a red or something like that.


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Riff ­ Raff
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Oct 06, 2008 16:12 |  #5

If you're non-crafty (and/or lazy) like me, you can get the pre-fab velcro and gel kit:

http://www.adorama.com​/FAHSS.html (external link)
http://www.adorama.com​/FAHGK.html (external link)

I'm generally using the 3/4 CTO gel on my flashes, with white balance set to 3200K. This seems to match the tungsten bulb used in spotlights pretty well.


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tim
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Oct 06, 2008 18:15 |  #6

I attach gels with velcro - cut out the gel, glue velcro to it, and I already have it on my flashes.


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rightaway
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Oct 06, 2008 19:13 |  #7

Thanks!!
I'll check it out!!




  
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NathanJK
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Oct 08, 2008 02:43 |  #8

I do what Tim does as well, piece of velcro on either end, and one on either side of the flash head. I have a piece of really thin sanded really smooth plywood that I attached velcro to either side of also, I just stack all of the gels I'm not using on that.


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Shooting
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Oct 08, 2008 21:23 |  #9

When bouncing I have to do a FEC.if using a gel should I have to do more of a FEC to compensate for additional light loss??




  
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