Autofocusing with AF IlluminatorII existing lightisinsufficient lor autolocus operation:1.Mount Nikon Autolocus Speedlight S8·24/S8·23/S8-22/S8-20onthe accessory shoe01the N4004s.2.Lightly press the shutter release button.3.The speedlight'sAFilluminator lights up to start autofocusoperation. For details, see speedlight instruction manual.17