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[ 93 ]Step Five: Press Command-A
(PC: Ctrl-A), or use the menu
Select>All, to select all the gray-
edge detail pixels on the Second
Copy layer. Now press Com-
mand-C (PC: Ctrl-C) to copy
these pixels into your Clipboard.Step Six: Click on the First
Copy layer in the Layers panel
to make it active, and add a
layer mask by c licking the
Add Layer Mask icon (circle
in a square) at the bottom of
the Layers panel. Next, hold
down the Option (PC: Alt) key
and c lick on the layer mask
thumbnail to enter the mask
view in the main image, which
will appear solid white at first.
Press Command-V (PC: Ctrl-V)
to paste into the layer mask
and it will look the same as the
Second Copy layer from which
you copied the pixel edge
information. Click once on the
image thumbnail of the First
Copy layer to exit the layer
mask view, and then turn off
the Second Copy layer.
Now any sharpening that
you apply to the First Copy
layer will be isolated to the
white/light-gray areas of the
mask. That means you’re only
displaying the sharpened pixels
within the edge accents in the
mask. Zoom in to 100% to see
that all the out-of-focus areas
don’t have sharpened artifacts
like the amplified visual noise
we saw in Step Two.