withanee
newbie
Reged: 11/11/2005
Posts: 21
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In Adobe Lightroom is it possible to set up sharpening so it is only enabled as a preview at 100% viewing(or greater)? I find the 'preview only' sharpening in ACR very useful for checking the initial sharpness of a RAW image, but do not wish to apply any sharpening until after the image has been opened in Photoshop, adjusted, resized etc and made ready for output.
It is always recommended that sharpening, with USM or other means, should be the final part of the process, but having it enabled in Lightroom seems to go against this principle.
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Norman
Reged: 23/09/2004
Posts: 1625
Loc: West London, UK
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The thing to remember with Lightroom is that no changes are made to the original file at all. If you apply any sharpening in Lightroom it only gets applied when you open the file in your image editor or export it or create a web page etc. If you are printing from within Lightroom then it's only a step in the history. You could always leave any sharpening until last (as you should) and before opening in your other editor delete the sharpening step from history.
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Regards,
Norman
www.photobox.org.uk
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withanee
newbie
Reged: 11/11/2005
Posts: 21
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Thank you Norman.
It just seems rather cumbersome to have to remove the sharpening(or 'zero' the amount) again before opening an image in Photoshop.
David
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john_beardsworth
newbie
Reged: 26/04/2007
Posts: 3
Loc: London
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That sharpening is only the very basic sharpening that any digital image needs - it's what's known as "capture sharpening". So don't zero it. You're thinking of what's known as "output sharpening" which you do only add at the very last stage before outputting to printer etc. These terms were described in a classic article by Bruce Fraser here.
John
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Northerner
enthusiast
Reged: 23/01/2006
Posts: 380
Loc: Sydney, Oz (ex. Manchester)
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I agree with John - I leave Lightroom sharpening on the default to take the edge off, as it were, then do all other output sharpening in CS3.
Graham
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Nic and Graham's photo site...
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Monobod
'Phantom' of the forum!
Reged: 03/04/2003
Posts: 5991
Loc: Just West of Norwich, Norfolk
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For a very full and detailed explanation of these sharpening techniques see Bruce Fraser's book:
'Real World Image Sharpening with Adobe Photoshop CS2'. It is a book totally devoted to image sharpening and will enable you to create CS2 or 3 Actions to apply sharpening in three stages for 'Source', 'Content' and 'Output'. These routines, if pauses are used at the right places, enable you to vary the settings to suit each type of image. They produce very good results with no visible sharpening halos or artifacts.
The book is available on Amazon for about £17. Unfortunately, Bruce is no longer with us, so there will not be any updates unless perhaps martin Evening has some ideas. In reality, there is no need for them as the book is so comprehensive.
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David.
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Photos hosted by Flickr.
www.flickr.com/photos/monobod/
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I see the world thro' a viewfinder, but the world watches me via CCTV!
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Norman
Reged: 23/09/2004
Posts: 1625
Loc: West London, UK
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Doesn't really help the OP though, he uses Lightroom. 
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Regards,
Norman
www.photobox.org.uk
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Monobod
'Phantom' of the forum!
Reged: 03/04/2003
Posts: 5991
Loc: Just West of Norwich, Norfolk
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Quote:
Doesn't really help the OP though, he uses Lightroom.
he mentions PS as well, so I think it would. 
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David.
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Photos hosted by Flickr.
www.flickr.com/photos/monobod/
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I see the world thro' a viewfinder, but the world watches me via CCTV!
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