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Re: [OM] Comments on Halos & In-Camera Sharpening

Subject: Re: [OM] Comments on Halos & In-Camera Sharpening
From: Andrew Fildes <afildes@xxxxxxxxxxxxx>
Date: Tue, 4 Jun 2013 17:24:54 +1000
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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