https://www.bhphotovideo.com/c/product/969884-REG/tokina_12_28mm_f_4_0_at_x_pro.html
chris Administrator Staff member Jul 24, 2017 #1 https://www.bhphotovideo.com/c/product/969884-REG/tokina_12_28mm_f_4_0_at_x_pro.html