The Samyang 7.5mm f/3.5 UMC Fish-eye is an ultra-wide-angle， manual-focus lens providing a stunning 180 degree angle of view. Despite its small size， it successfully combines the best features of Samyang?s larger SLR lenses and offers the highest quality optics in a compact and attractive body. This 7.5mm Fish-eye lens is the first model in the new family of lenses developed specifically for Micro-Four-Thirds system cameras.