A few years back on PN, someone posted a matrix-style chart that showed the relationship between f-stop and shutter speed. It was color coded so that you could find a certain exposure and follow the diagnol line of that color to a different f-stop or shutter speed that would give the same exposur
Simple Guide on Understanding Photo Exposure. The 3 Steps of Exposure
Definitive Guide to Aperture and Shutter Speed Charts For Beginners
Free Printable F-Stop Chart Templates [PDF] Full Stops, Shutter Speed
Milos Duma / Милош Дума: Photography Fundamentals
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Understanding Shutter Speed for Beginners + CHART