I wonder if the camera is doing some internal "Local Contrast
Enhancement" (LCE) that becomes more obvious when converted to black
and white. It's a pretty common tool, been around for a while, and it
may be one of those things they think worthwhile putting it to give
"pop" to every photo.
You can't do masks with Aperture, but what you can do apply an
effect/adjustment to an entire image, and then brush that effect away
with some adjustable brushes (or you can brush the effect in). It's
something I'm still playing with, because brushing drives me bonkers
(we're about to paint a few rooms in this place of ours, and I hate so
very much the "cutting-in" bit ;) ). Sometimes I find it easier to get
my Gimp on, rather than learn something. :)
Just to think a little sideways...while it looks like a halo, you're
close to pounding seas and ocean winds. It couldn't be that low sea
spray/mist just blowing up behind there and being caught in the light
by your longer exposure?
(A note...I have to be looking for your halo...your photo's halo, that
is...to notice it, but then I don't mind it in my own more egregious
examples of similar, so I'm perhaps not the best judge. Plus I've
started to kind-of drift into that one-eyed nature of being less a fan
of your work than a fanatic who will listen to no negative. ;) ).
Cheers,
Marc
Noosa Heads, Oz
http://www.parknmeter.com
On 16 September 2011 01:02, Bob Whitmire <bwhitmire@xxxxxxxxxxxxxx> wrote:
> Nope, didn't do any shadow/highlight stuff. (I learned a good trick with s/h,
> when you need a lot in a little bit of space and not much elsewhere. Do the
> lot, mask, fill with black, and paint out where you need the lot. Does
> Aperture let you do stuff like that?)
>
> Not being an engineer here doesn't help, but I'm wondering if the loss of
> color alters the tonal scale somewhat and makes some halos appear more robust
> in black and white. Not sure if the vocabulary here is right, but even with
> all the gradations of gray, color has a gracious plenty, and continuous tone
> images seem to be more forgiving in color.
>
> Will play more.
--
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