SIGMA 14MM F3.5 14/3.5 AF FISHEYE FISH EYE LENS FOR NIKON SLR/DSLR READ WELL!!
The AF focusing works fine. EACH LENS WHICH EXISTS ON EARTH HAS SPECKS OF DUST INSIDE. THIS LENS HAS MANY MANY TINY DOTS/SPECKS OF DUST INSIDE CREATING SORT OF HAZE! WITH STRONG FLASHLIGHT, I SEE THEM.