This lens is currently the widest rectilinear lens available for Micro Four Thirds cameras. It gives a field of view equivalent to a 15 mm lens on 35 mm sensors. This allows MFT users to enjoy an impressive 110° ultra-wide angle of view for a broad range of shooting. The wide-angle of view and ultra-fast aperture are extremely valuable for astrophotography. This lens is extremely compact and light-weight for casual on-the-go use.