If you zoom in on any digital picture you will eventually come to a mosaic of individual solid-colored squares.
You can’t tell how big a digital picture is by looking at it on your computer. You need to find the information about that picture in you editing program and see the numbers.
You can have two pictures that both look 5×7 inches on your computer monitor and one of them can be nine times bigger than the other one—the small one will start to fall apart (pixelate) the more you magnify it; it has lower resolution—that’s a lower…
via Imaging Resource News Page http://ift.tt/1LhE22a