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FORUMS Photography Talk by Genre General Photography Talk 
Thread started 13 Sep 2009 (Sunday) 07:59
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Expodisc Techniques & Tips - White Balance

Senior Member
355 posts
Likes: 2
Joined Jan 2009
Location: Western PA
Sep 13, 2009 07:59 |  #1

Hi - I just received an Expodisc and would like to hear about experiences using this device for White Balance.

For example, I want to photograph school band concerts, stage plays where I would like the colors to be as accurate as possible, etc. In most locations, the stage front lighting is coming from ceiling recesses so I can't aim the Expodisc toward the light. Any suggestions? In this case, I could probably shoot several shots with different Kelvin settings and try to "find" the best. So, did I waste the money on the Expodisc? Is it a good tool to have "in the bag?"

That was a specific, but I would really like to hear about other applications and techniques. While good, Auto White Balance is a compromise at best.

If this was not posted in the correct Forum, a suggestion on where I would get the most responses would also be appreciated.

I should mention, "why the Expodisc" and explain that I would prefer not to do post-processing to correct the White Balance - I know it can be done, but taking the shots is more fun that working in the digital darkroom.

Thanks very much.

Cream of the Crop
20,476 posts
Likes: 159
Joined Dec 2002
Location: Southeastern WI, USA
Sep 13, 2009 11:19 |  #2

If you cannot aim the camera with the Expodisc mounted at the light source(s) that is/are illuminating the subject, then the Expodisc (or any of its clones) is a totally useless item.

Even when you can aim the camera at the light source, you have to go through the "custom white balance" procedure to use it.

I find using a neutral gray card (such as the WhiBal and others) much simpler. While I can use it to do a "custom white balance", I merely place the card in the scene - or at least in the same lighting as the scene - for a test shot. Since I always shoot in RAW mode, it is a simple thing to sample the gray card in the test shot and transfer the resulting color temperature and tint values to the rest of the shots during a batch conversion.

Skip Douglas
A few cameras and over 50 years behind them .....
..... but still learning all the time.

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Expodisc Techniques & Tips - White Balance
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