In our most creative DIY Photography Hacks series post yet we show you how to use your iPad, tablet or laptop as a light source for illuminating portraits, still life set-ups, create shapes in catchlights, painting with light, making backgrounds in macro photography and even cross polarisation.
Please follow the link for more. http://www.digitalcameraworld.com/2013/06/13/how-to-use-an-ipad-or-laptop-as-a-light-source-for-portraits-still-lifes-and-more/