Your dSLR's (or ILC's, or enthusiast compact's) Shutter-priority mode is perfect when you care about shutter speed beyond all else. Here's what you need to know to use it. Lori Grunin Senior Editor / ...

Shutter speed makes or breaks a photo. It's the secret behind crisp, sharp images – and the magic of dreamy motion blur. But there are some myths about shutter speeds that you might have heard before, ...