Lightroom 4 sharpness changes are not visible in Library module or upon publish to file or web service

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  • Updated 6 years ago
Lightroom 4:

When I make sharpness changes to my photo in the Develop module they are not reflected in the Library module (full sized preview) or upon publishing them to file (e.g. JPEG) or when uploaded to flickr.

The issue is clearly illustrated when I have an image open main viewer and switch from the Develop module to the Library module. When the image reloads it is clearly lacking any sharpness adjustments made to it.

Is this a known issue? Or a bug? Is there some way I can publish my images with sharpness adjustments intact?
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Thomas Evenson

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Posted 6 years ago

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jdv, Champion

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I recall that, for performance reasons, sometimes the detail sharpening is not displayed in Library. Perhaps others can comment on that.

However, the sharpening applied in Develop is different that the output sharpening applied on export. Are you exporting with sharpening applied? Because if you resize the image without export sharpening it can really make a soft image.
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Thomas Evenson

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Hi John,

How would I export (e.g. to flickr) without sharpening applied? I know there are "screen sharpening" settings available, but I thought they were in addition to whatever sharpening was done in in Develop. I could be wrong though! I am not resizing my images on export, but I do limit the filesize to 20 megabytes because that is/was the flickr limit per image.

Thank you!
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TK

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You are not wrong. The export sharpening is on top of the "Develop sharpening".
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Dorin Nicolaescu-Musteață, Champion

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I've seen blurred 1:1 previews in Library quite a few times. This is not the same as skipping sharpening for performance reasons (which is not even supposed to happen in 1:1). It looks as if a standard preview is upsampled to 1:1. Restarting fixes this.

However' I've never seen blurred or unsharpened exports. Are you sure you're applying output sharpening? Can you post a sample?
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TK

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I've seen this fault multiple times.

What cures it (typically) for me is to zoom into 100% (1:1) magnification in the loupe view (or zoom out and in again, when I enter at 1:1). This (typically) triggers a rerendering of the image used for the library.

It is annoying that one has to tell LR manually that the rendering needs to be refreshed. The redrawing logic seems to be broken in several places (LR 3.6).

P.S.: I've never observed a lack of sharpening upon export. Only the slideshow module lacks proper sharpening (appears to be a known, but unaddressed issue).