Digital BW, The Print

Thanks.  Will give this a go.


> From: Richard Wolfson <rw@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Mon, 10 Jan 2005 17:32:00 -0500
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Cc: <stevekale@...>
> Subject: RE: [Digital BW] Posterization in red channel
> 
> 
> hi Steve -
> 
> I don't work with Capture One so I can't help on that specifically. But
> here is a trick that may prove helpful, probably in combination with
> other corrective measures you may already have found.
> 
> Before you convert to b&w, use Select Color Range to select the blue
> sky. Save this selection as an alpha-channel mask.
> 
> Then when you're editing your b&w image, use Load Selection to reload
> that mask. This will re-select the sky. While the sky is selected, add a
> curves adjustment layer (the selection will become the layer mask). By
> manipulating the sky curve, you'll be able to adjust the tone of the sky
> quite precisely -- without changing the sand dunes.
> 
> You'll want to do this in 16 bit mode. And if you do see any dithering
> in the sky, a little Gaussian blur (while the sky is selected, of
> course) will take care of it. Also, note that reloading the sky mask
> will not work if you've cropped or resized the image since you saved it.
> 
> Hope this helps,
> Richard Wolfson
> Fine Art Photographer & Digital Imaging Consultant