A light meter is a very useful device that finds applications in hospitals, schools, factories, parking lots, passageways, and many more to measure and maintain adequate lighting levels. It is also ...

Meet Lumu: a digital light meter for photographers that plugs into the iPhone’s headphone jack as a smaller and smarter replacement for traditional analogue light meters. It’s used in conjunction with ...

Last we saw Lumu Labs it was in Hardware Alley at Disrupt New York where the Slovenian startup was showing off a prototype of its digital light meter plus iPhone app — aiming to convince photographers ...

The 61-686 digital light meter measures incandescent, fluorescent, metal-halide, high-pressure sodium, and halogen lamp output. To operate, simply place the meter’s remote sensor in the area to be ...

The Traceable® pocket digital light meter reads from 0 to 1,999 foot-candles (resolution 0.1 to 1). Bright, ½-inch-high digits make it an easy-to-read pocket light meter. The simplicity of the ...

This project uses a simple LDR that is calibrated against a reference photometer in order to build a digital lux meter. This project uses a simple LDR that is calibrated against a reference photometer ...

Fully-manual analog film cameras can be fun and interesting to use, but it sucks when they don't have a built-in light meter. That's where the Hedeco Lime One comes in, as it's a digital light meter ...

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 ...

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 ...

Dip into the complex metering modes on a modern digital camera and it’s easy to forget that photographers once relied on dedicated handheld devices to meticulously measure light before firing the ...

Outdoor time from a diary and portable light meter over a 1-week period was compared in 117 Singapore children aged 6–12 years with and without myopia. All children wore a (HOBO Pendant temp/light ...