A small update about the Samyang 7.5mm fisheye for Micro Four Thirds. The lens should be officially announced within the next few days. P.S.: A couple of image samples are available on their website (Click here)..
P.S.: All Samyang lenses for Olympus can be found on eBay only and under seven different brand names (Click on it to see all Four Thirds lenses from the specific brand!):