I alway understood that Unsharp Mask worked exactly by creating a halo around
sharper detail. Wasn't it named after the technique in the old days of
sandwiching a sharp neg with a soft one to create the halo, the soft neg being
the 'unsharp mask'?
Andrew Fildes
afildes@xxxxxxxxxxxxx
www.soultheft.com
Author/Publisher: The SLR Compendium - http://www.blurb.com/books/3732813
On 04/06/2013, at 2:58 PM, Moose wrote:
> As to the halo, look at the image without any adjustment at all in ACR/Raw
> conversion and PSE. It is most likely a
> result of PSE adjustments other than sharpening. Clarity can do it, as may
> boosting shadows, depending on how PSE does
> that. Less halo on the second probably is because it required less of
> the/those adjustment(s) that tend(s) to produce halos.
--
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