I'm racking my brain if I should buy the Olympus 8mm 1.8 Fisheye! I currently own the Rokinon 7.5mm and I love that lens, but there are times when I want more light gathering and autofocus. I would also like to have a lens where I can really unleash the potential of the high resolution mode of my E-M5 II, I keep thinking this lens is the one to get to create some awesome images. The only thing holding me back is price, but I could sell a couple lenses and try buying the lens through Greentoe.com to get an additional discount. What do you guys think, is it worth it?