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Understanding Aspect Ratios

Understanding Aspect Ratios

iPhoto makes it easy to select and crop a portion of a photo using a specific aspect ratio, but why is this important? It matters because aspect ratios differ between traditional and digital photos.

An aspect ratio is the ratio between the width of the image and its height, generally expressed with both numbers, as in the line from Arlo Guthrie’s song “Alice’s Restaurant Massacree” about “Twenty-seven, eight-by-ten, color glossy photographs with circles and arrows and a paragraph on the back of each one.”


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