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 / ...

In photography, shutter speed is a common term used to discuss exposure time - the effective length of time a camera's shutter is open. It is measured in seconds or more often fractions of seconds.

Everybody seems to be obsessed with the ‘cinematic’ look these days, especially with regard to the 180-degree shutter rule – or for those shooting digital, setting the shutter speed to double that of ...