A Beginner's Guide to What Every Camera Mode Actually Does (and When to Use Each One)

Look at the top of your camera. Somewhere on the body, probably on a physical dial, you will find a cluster of letters that might as well be hieroglyphics if nobody has ever explained them: P, A (or Av on Canon), S (or Tv on Canon), and M. Nikon, Sony, and OM System use P/A/S/M. Pentax mirrors Canon’s labeling with Av and Tv. Some cameras throw in a green rectangle, a handful of icons depicting tiny people or mountains. Here’s what they all mean. 

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