Lens position determination apparatus of optical pickup

A lens position determination apparatus of an optical pickup comprising:

• a lens holder on which a lens is mounted;
• a base supporting the lens holder;
• and
• a bendable pressing member pressing the lens holder toward the base to fix the position of the lens holder,
• wherein the base comprises an accommodation surface where the lens holder is accommodated and a pair of facing support walls erected on the accommodation surface and the bendable pressing member is installed between the pair of facing support walls and comprises an arm having both end portions closely contacting the pair of facing support walls at both sides, a first elastic portion provided between both end portions of the arm and applying an elastic force in a direction in which both end portions of the arm closely contact the pair of facing support walls, and a second elastic portion connected to the arm and pressing the lens holder toward the accommodation surface.