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Make an 8×10 300 dpi document.
On a new layer make a precise 5×7 invertically oriented selection Fill the selection with any dark color (past midtone)
Scale that 5×7 rectangle (on the second layer) to precisely 3.5 x 5 in (use the input boxes to input 3.5in and 5in)
Now closely magnify (down to the pixel level) and notice that there is a narrow lighter color band around the outside of what should be a perfectly solid image.
Why is that?
Why should the scaled image not be precisely the same as the larger.
dc
On a new layer make a precise 5×7 invertically oriented selection Fill the selection with any dark color (past midtone)
Scale that 5×7 rectangle (on the second layer) to precisely 3.5 x 5 in (use the input boxes to input 3.5in and 5in)
Now closely magnify (down to the pixel level) and notice that there is a narrow lighter color band around the outside of what should be a perfectly solid image.
Why is that?
Why should the scaled image not be precisely the same as the larger.
dc
How to Master Sharpening in Photoshop
Give your photos a professional finish with sharpening in Photoshop. Learn to enhance details, create contrast, and prepare your images for print, web, and social media.