[iMore.com]

Professional photographers who use a light meter can now use their phones instead to get proper exposure information thanks to the Luxi Kickstarter campaign. Luxi, which was previously available for iPhone, is now expanding the campaign to support Android and iPad tablets. The Luxi for All attachment is a small accessory that clips onto your device and measures the light level that will be available so that you can program in the correct exposure settings for your photographs, resulting in photos that are properly exposed so that the images aren't too bright (overexposed) or too dark (underexposed).

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