Photoshop by the Numbers: Image Resolution
Image Resolution pt.1 - The basics
What is resolution? This article explains the basics and shows how Photoshop's Resize Image works.
Image Resolution pt.2 - Why resizing?
This article explains what happens when you resize an image in Photoshop. How does it impact file size, PPI, print quality?
Image Resolution pt.3 - How many megapixels?
How many megapixels does a good quality print really need, taking into account a normal viewing distance? The answer may surprise you.
Photoshop by the Numbers
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