The Micro 4/3 system has been around for a while now, and early on, each of the two main Micro 4/3 companies released their ultra wide-angle lenses. Panasonic came out with the impressively specified 7-14mm f/4, while Olympus went a little more moderate, but shot for size, creating the incredibly tiny 9-18mm f/4-5.6. I’ve owned…