Measuring light output with an integrating sphere

Описание к видео Measuring light output with an integrating sphere

Results are here: http://reviews.mtbr.com/2013-bike-lig...

Lots of bike lights have an advertised 'lumen' output but many of these figures are false. They are usually best case scenarios if the LED was in a perfect power, temperature and optics.

Mtbr goes behind the scenes to measure the actual lumen output of many bike lights today.

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