On 6/14/2012 3:17 PM, Ken Norton wrote:
>> Then I use Neutral, which spreads the histo to top and/or bottom, and set
>> White and/or Black Points to balance overall
>> brightness and clipping. I've learned a lot about ETTR doing that. It's
>> amazing what letting somewhere between 0.1 and
>> 1% or so of the brightest pixels clip can do for some images. I can never
>> see a blown highlights effect, and you know
>> how picky I am about that, nor does it show up as a blip at the top of a PS
>> histo.
> I've had to adjust it closer to 0% with many more overscans. By
> averaging out the pixels/grain a bit I don't get the grain aliasing
> quite so much which means that the clipping that occurs on a given
> pixel doesn't happen. With a single pass, I'm right around 1%.
Different scanner, different results. With my Canon FS4000, any difference in
white point with multiple passes is
minimal. That is to say, I haven't noticed it. :-)
Moose
--
What if the Hokey Pokey *IS* what it's all about?
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|