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Auto-White balance is off - setting somewhere?

Ferguson

Cape Coral, US
5701 posts

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"RE: Auto-White balance is off - setting somewhere?"

Ferguson Silver Member Fellow Ribbon awarded for the generous sharing of his high level expertise in the spirit of Nikonians Nikonian since 19th Aug 2004
Thu 17-Oct-13 02:35 PM | edited Thu 17-Oct-13 02:36 PM by Ferguson

OK, experiment #2. I'm going to forego looking at K values as it sounds like that may be confusing between reporting software.

Here's what I tried -- in a darkened room, I lit a subject by incandescent light only, so it had a steady temperature through the experiment.

First I took a white(ish) door and did a pre-set from it for each, labeled "D-1".

Then I shot 5 images of the same scene. I used an 200/f2 which IMO renders colors more accurately than any other I have. I shot in order:

Auto-1
Auto-2
Incandescent
Forced Kelvin = 3750 (chosen at random to be similar to the light)
Preset D-1

I did it with the D800 (top) and D4 (bottom).

The short version is that by eye they are all the same but the preset. The preset on the D4 is MUCH warmer (too warm). Since I don't use preset generally I am not too worried, but it is a bit strange.

But all the auto and the two forced presets (Incandescent and K) match.

Which is very different from what I saw outside. It's cloudless outside, let me go do something then. Though in doing this I noticed the fine tune is way off on my D4 and 200 -- off on a tangent for a bit to check it at more reasonable distances.

Click on image to view larger version


Though
Linwood

Comments welcomed on pictures: Http://www.captivephotons.com


Attachment#1 (jpg file)

This is a hot, active topic! Auto-White balance is off - setting somewhere? [View all] , Ferguson Silver Member Fellow Ribbon awarded for the generous sharing of his high level expertise in the spirit of Nikonians , Sun 13-Oct-13 01:17 PM
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