EM-5: Confused by Auto White-Balance results

Started Feb 12, 2013 | Discussions thread
Timur Born
Senior MemberPosts: 4,056
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Re: Auto White Balance is magic, and magic can go wrong ...
In reply to gollywop, Feb 12, 2013

gollywop wrote:

Timur, since you're shooting raw, use a gray card. It's easy and typically only need be shot once in a repeated-light scene.

You mean except for the malignant glances I will get from my family for chasing them around with gray cards. And the missed opportunities to ​quickly​ take a snap of kids playing who have no interest in posing or waiting whatsoever.

The only thing that amazes me about this thread is that you appear to have begun with some belief in the efficacy of AutoWB. It might do well enough in good sunlight, but it is readily sent off track -- far more often than not in any but the best of conditions -- as your OP demonstrates.

Well, I did not expect Auto WB to work perfectly or even hit the spot in many situations. But I expected to be more consistent when the scenery/colors don't change at all. Once I get my hands on the X10 I will do some comparison, but after seeing the rather bad Face Detection on the E-M5 compared to the X10 I wouldn't be surprised if Auto WB was another (software) part where Olympus had to catch up.

One measure I am thinking about for some time now is to replace most of our lights with full spectrum halogen lights (preferably 3000K or maybe even a bit cooler if available). That would at least help some with the mixed light situations and generally be more pleasing (I am sick of the yellow spiked spectrum energy saving bulbs). But the bath tub shots don't look too promising (it's the only room that's already fully lit by halogen bulbs only).

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