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Sharpen a photo
You sharpen photos at two stages in the Lightroom
workflow: as you view and work on photos, and when you print or
export them. Sharpening is part of the camera default that Lightroom
automatically applies to your photos.
When Lightroom exports,
prints, or rasterizes a photo for editing in an external editor,
the sharpen setting for the image is applied to the rendered file.
- (Optional) Zoom in on the photo to at least 100%.
- Drag the 1:1 image preview in the Detail panel of the
Develop module to see the area of the photo that highlights the
effect of the sharpening adjustment.
- In the Sharpening area of the Detail panel, adjust any
of the following:
- Amount
- Adjusts edge definition. Increase the Amount value to
increase sharpening. A value of zero (0) turns off sharpening. In
general, set Amount to a lower value for cleaner images. The adjustment
locates pixels that differ from surrounding pixels based on the
threshold you specify and increases the pixels’ contrast by the
amount you specify.
- Radius
- Adjusts the size of the details that sharpening is applied
to. Photos with very fine details may need a lower radius setting.
Photos with larger details may be able to use a larger radius. Using
too large a radius generally results in unnatural-looking results.
- Detail
- Adjusts how much high-frequency information is sharpened
in the image and how much the sharpening process emphasizes edges.
Lower settings primarily sharpen edges to remove blurring. Higher
values are useful for making the textures in the image more pronounced.
- Masking
- Controls an edge mask. With a setting of zero (0), everything
in the image receives the same amount of sharpening. With a setting
of 100, sharpening is mostly restricted to those areas near the
strongest edges.
Press Alt (Windows) or Option (Mac OS) while
dragging a slider to see the areas being affected (white) versus
the areas masked out (black).
 To turn off
sharpening, set the Amount slider to zero (0) or click the Detail
panel On/Off icon  .
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