Interchangeable lens cameras from Polaroid? Yep. They're here at CES, and the company let us spend some hands-on time at tonight's Pepcom event at the MGM Grand. It's important to note, right off the bat, that these things are still firmly in prototype mode, so we'll hold off on passing any sort of judgement on build quality until the company puts something a bit more final in our hands. For the moment, however, they're buggy at best. And they certainly don't have the build quality of a, say Sony NEX, but that's to be expected in part due to t