In the second embodiment of the present imaging lens system, the on {HEAD ~ axis} spacing between the first lens element 300 and the second lens element 310 is {TAIL ~ T12}, the focal length of the imaging lens system is f, and they satisfy the relation: ×100=1.28 
is
In the second embodiment of the present imaging lens system , the on { HEAD ~ axis } spacing between the first lens element 300 and the second lens element 310 is { TAIL ~ T12 } , the focal length of the imaging lens system is f , and they satisfy the relation : ×100=1.28
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH