The invention presents {TAIL ~ an optical element} with which {HEAD ~ an optical head} can be configured, in which there is little deterioration of the correctional effect when the objective lens shifts, as well as an optical head and an optical recording/reproducing apparatus using such an optical element 
with configured
The invention presents { TAIL ~ an optical element } with which { HEAD ~ an optical head } can be configured , in which there is little deterioration of the correctional effect when the objective lens shifts , as well as an optical head and an optical recording / reproducing apparatus using such an optical element
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH