Disillusioned with the impractical and cumbersome light meters on the market, Lumu Labs decided to shift the photographer’s necessity into the 21st century by designing Lumu for iPhone and Android devices.

It connects to the top of your smartphone without batteries and makes use of the capabilities of our modern phones: the big screen, gestures, location, connectivity, mobility, and apps. Its meter is the best sensor there is, boasting spectral response exactly like the human eye, making it a must-have for anyone who enjoys taking quality photos with their phones.

Make sure to check out their Kickstarter page as well as the great video below!


Lumu is a light meter for iPhone and Android devices. Made to unleash the creativity in photographers.


There is no darkness too dark and no light too bright which Lumu can’t measure.


 We’ve created Lumu, the light meter for the 21th century. So be an explorer and break free from mediocrity.

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