The best light meter for photography is rarely at the forefront of the average photographer’s mind nowadays, thanks to the reliability of in-camera light meters and handy metering aids such as ...

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 ...

Photometers or light meters are radiometers that include a filter and photodiode and responds based on the average human eye: the CIE 1924 luminosity function V λ. However, the light sensitive diode ...