Optical pickup and manufacturing method for optical pickup

摘要

An optical pickup includes a first objective lens (38), a second objective lens (48) having a numerical aperture different from that of the first objective lens (38), and an objective lens holder (24) that holds the objective lenses (38,48). The first objective lens (38) is attached to the objective lens holder via a spacer (27). The objective lens holder (24) has a first fixture hole that receives the spacer with the first objective lens (38) and a second fixture hole (241) that receives the second objective lens (48). The first fixture hole (241) is provided with a spacer supporting portion in which the spacer is inserted in a rotatable manner.