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Joshua Csehak

Aperture affects color?

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In the July 2018 AC, Jayson Crothers says, "If you open up to a T4 or T5.6, you end up losing detail and color in the fire, so a T8 is usually the widest I'll shoot on the burn stage..."

 

I don't think I've ever noticed a change in aperture affecting the color. Can anyone explain this to me?

Edited by Joshua Csehak

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It's not a change of aperture per se that has an effect- it's the change in exposure. Overexposed flame will look washed out. So if he's adding any light, he's lighting to f8.

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But he could just throw an ND on it.

 

I get losing detail, since with a shallower DoF more of the fire will be blurry, but I don't know, I'm not convinced he's talking about exposure.

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I can't read his mind, but I don't think he means "detail" as in greater DoF- he's referring to gradation of colour and density which would be lost if overexposed. DoPs sometimes use qualitative terms- they're artists as well as technicians.

Edited by Mark Dunn

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