Maybe this will get more photographer's to learn more about how cool light meters are and how they can help you understand photography…
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Turn Your Smartphone Into a Light Meter
The Lumu is a new headphone jack attachment and app that turns your smartphone into a slick light meter!
More here: http://petapixel.com/2013/06/17/lumu-an-ultra-portable-highly-accurate-versatile-smartphone-light-meter/
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Cool, like this idea.
I love using a light meter and do every time in the studio.
Thanks for sharing. It's been a real help to me.