Matthew Miller wrote:
On Wed, May 06, 2009 at 10:10:55PM -0400, Doug Brewer wrote:
oh, sorry Matthew. I was looking into this and got distracted when I found
out my job had been eliminated.
Sorry to hear -- and sheesh, no worries: keep your priorities straight!
thanks, and thanks to everyone else, on and off list, who have written.
GM, near as I was able to guess, means gamma, and I was looking, but not
really grasping as yet, the units per.
G-M means "Green - Magenta". The other one is "Blue - Amber". When you set
manual white balance, you choose a Kelvin value, and then can set both of
these two axes between -3 and +3. (The same adjustment grid that you use to
tweak the pre-set white balance.) The question is: -3 to +3 *what*?
now, see, I had considered that this might have been the case, then
tried to over-complicate it.
I guess the way to figure "-3 to +3 what?" would be to establish the
zero point (what is the Kelvin value of zero in this instance?) then
look to see what the Kelvin values are at +1, -1, etc, and the interval
would establish what they (Pentax) consider the units.
Make sense?
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