EM-5: Confused by Auto White-Balance results

Started Feb 12, 2013 | Discussions thread
micksh6
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Re: EM-5: Confused by Auto White-Balance results
In reply to Timur Born, Feb 12, 2013

Timur Born wrote:

2) The 3600K images were shot at F1.8 and ISO 1600-2000, the 4100K images were shot at F6.3 and ISO 12800. This shouldn't matter for WB, but maybe it did.

I think it's mostly because lenses were different. Different lenses have different color signatures and AutoWB compensates for it.

Also flash will affect WB significantly depending on intensity and on how you bounce it (i.e. angle and flash position). Ceiling usually is not perfectly neutral, it will affect WB too.

Light reflected from walls, colorful clothes and other objects will also add to the mix. Even without flash, change camera angle and the mix of light reflected from various objects will change, affecting WB.

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