An objective lens for use in an optical pickup apparatus, comprises a first lens
molded with a plastic and having an optically functional section, flange section
provided around the periphery of the optically functional section, and a first
contacting section provided on the flange section; and a second lens molded with
a plastic, located opposite to the first lens and having an optically functional
section, a flange section provided around the periphery of the optically functional
section, and a second contacting section provided on the flange section. The first
lens and the second lens are joined in such a way that the first contacting section
and the second contacting section are brought in contact with each other.
