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.

New photographers don’t have to go straight from auto to full manual mode without training wheels. Shutter priority mode is one of three semi-auto mode that mixes the best of auto and manual together.

Those stepping out of auto mode will need to learn about three essential settings in photography: aperture, ISO, and shutter speed. These are commonly referred to as the “exposure triangle,” as one ...

No. 4 of the unofficial rules of photography is: "Always have a shutter speed." A photographic exposure can be defined as a certain amount of light hitting a sensor (or film) for a certain amount of ...

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 / ...