: a small and often portable device for measuring illumination
especially: exposure meter
Example Sentences
Recent Examples on the WebBright, reflective snow can trick your light meter, causing auto exposure to underexpose and create gray snow.Washington Post, 11 Nov. 2021 Plenty of gardening tools can help make this task a breeze, from a moisture and light meter to a long-lasting hose. Isabel Garcia, Better Homes & Gardens, 7 July 2021 Her team, including African researchers, used a light meter to measure skin reflectance in 2092 people in Ethiopia, Tanzania, and Botswana. Ann Gibbons, Science | AAAS, 12 Oct. 2017