Patent ID: 7852737

Claim:
An optical pickup that projects a laser beam to an optical disc medium for recording or reproducing data, comprising: a first objective lens; a second objective lens having a numerical aperture different from that of the first objective lens; an objective lens holder that holds the first objective lens and the second objective lens; and a spacer that retains the first objective lens and is attached to the objective lens holder, wherein the spacer has a cylindrical shape and is provided with a lens receiving portion of a stepped shape formed at an inner surface thereof for receiving the first objective lens, a protruding portion having cushioning properties that protrudes from an upper surface, and a salient portion having a spherical shape formed at a lower surface, the objective lens holder has a first mounting hole that passes through from the lower surface to the upper surface to which the spacer retaining the first objective lens is attached, and a second mounting hole that passes through from the lower surface to the upper surface to which the second objective lens is fixed, the second objective lens is disposed closer to the optical disc medium than the first objective lens, and the protruding portion of the spacer is formed so that a tip thereof is closer to the optical disc medium than the second objective lens.