There's no shortage of portable grey and white cards out there, along with
the ping pong ball thingiess that screw on the lens for WB. I think the best
would be on with a black and white square, that you can use with the
eyedropper.
bill Pearce
----- Original Message -----
From: <usher99@xxxxxxx>
To: <olympus@xxxxxxxxxxxxxxxxx>
Sent: Sunday, February 20, 2011 8:40 PM
Subject: [OM] Color Balance Conundrum --JPEG was more correct?
> Today processed a long neglected CR2 file from a macro shot with the
> OM5DII and viv S1 90-180 macro. The lens does have a modest
> warming color cast due to the coatings. The JPEG was near correct in
> depicting a orangish blurred background while the ACR conversion with
> as shot daylight white balance made it way way too yellow. Just
> adjusting the temp did not do it and had to change the geen-magenta
> axis to even get close.
>
> That was too much work--need to remember to shoot some reference with
> that lens.
>
> Perhaps the camera provides some special sauce in the tone conversion
> curve that is unknown to ACR. I was just surprised how far off it was.
> Should I have been surprised?
>
> Outa Balance Mike
> --
> _________________________________________________________________
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|