180 degree view turns the world around for 180 degrees of fun 180 wide angle of view hybrid aspherical lensesh asp ultra multi coatingumc the samyang 8mm f35 as mc fisheye csii dh lens features a detachable lens hood dh otherwise is the same optically and mechanically as the non detachable hood version samyang 8mm f35 fish eye cs ii is built for aps c but it can also be used on full frame cameras with the lens hood detached on full frame cameras samyang