RAW vs White balance

Started Nov 20, 2006 | Discussions thread
tapir Veteran Member • Posts: 3,860
Re: Similar with XT...

GordonBGood wrote:

tapir wrote:

If K10D along with *istD also defeats the reason and purpose of RAW
I'll be very concerned and dissapointed especially given poor JPEG
showing. I'm shooting RAW almost exclusively. Partial reason is
ability to adjust WB in a most undestructive manner.

Alec, if you think about it and just want a fixed gain between
channels for the D's and K110/100D, just shoot with AWB or with
Sunny preset, which will give you fixed gain ratios that are more
or less as one would get from Canon. However, if you are in an
extreme WB situation, Pentax have given you the option of choosing
a preset WB or Manual WB that more closely matches the scene WB,
and correspondingly adjusts gain ratios to give you a little more
clipping in some colour channels. This is an advantage, not a
disadvantage.

Gordon, what you say makes a lot of sense. But what happens if I didn't correctly assess the light situation and have chosen a wrong preset or wrong non-gray/white card? With Pentax approach I may wind up with incorrectly gained and clipped channel. Exactly the thing to avoid and reason to use RAW (provided it WB-blind in Canon sense) under complex light situation.

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