Much wider yet much lighter fisheye in the world 180 wide angle of view extra low dispersion ed ultra multi coatingumc glass aspherical lenses as the samyang 8mm f28 umc fisheye lens is a high quality ultra wide angle lens it gives an immense field of view 180 degrees with a 12mm 35mm equivalent field of view the optical construction of the lens is 11 elements in 8 optical groups including 2 aspherical and 3 ed elements for optimum optical perform