The iPhone democratized photography and disrupted the video and camera industry. Now a new product that plugs into the iPhone’s Lightning port aims to replace an important photographer’s tool — the ...

Lux meters, sometimes called light meters, measure the intensity of illumination as distinguished by the human eye. This value does not correlate to an objective value of energy radiated or reflected, ...

Gauging the amount of light that's in a scene is one of the most fundamental and important skills for a photographer to have. Knowing how to set the exposure on a camera will produce a picture that's ...