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.

Compared to ISO and aperture, shutter speed is a relatively straightforward concept to understand. It's the period of time that a camera's sensor (or film) is exposed to light after you hit the ...

Every good photo begins with the right exposure. Even if you catch a great subject at the perfect moment with strong framing, everything is lost if you blow the exposure. If you only shoot in ...

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 / ...