Aperture Tricks – All About Apple Aperture

February 21, 2006

Aperture Tricks #36 – Understanding Sharpness

Filed under: Tricks — Scott @ 6:44 am

Send your tricks, tips and announcements to aperturetricks@aol.com.

Apple has received some complaints (as have I) about Aperture seemingly sharpening masters and versions differently. Aperture uses a different scaling algorithm to display masters and versions so there is a perception of different sharpness. To avoid this problem, all you have to do is remember this:

When viewed at 100 percent, the sharpness of a master and unsharpened version will be the same.

Apple offers some tips for avoiding this issue:

1) Toggle the image to 100 percent (Z key) to check actual sharpness.
2) Use the loupe when comparing master and version.
3) Resize the Viewer until you find a size at which the difference between master and version is minimized.
4) Try full-screen mode. Depending on the size of your screen, the difference may not even be noticeable.


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