For filmmakers and photographers who want the look and feel only possible with extreme wide angle and fisheye photography, the new canon ef 8-15mm f/4l fisheye usm is a world-class choice.. The canon 15mm f/2.8 full-frame ef fisheye is the best fisheye i've ever used. it is super-sharp, never fuzzy in the corners like nikon fisheyes can be on a bad day. the canon 15mm fisheye fills the full frame with curviness and waviness, seeing 180