MINIATURE OPTICAL ZOOM LENS

摘要

Miniature zoom lens systems and methods of manufacturing thereof are described. An exemplary system includes a first prism positioned to receive incident light from an entrance to the miniature lens system, at least a first varifocal lens positioned to receive the light that exits the prism, at least one base lens positioned to receive the light after passing through the first varifocal lens, a detector positioned to receive the light after passing through the base lens, and a first actuator configured to move the first varifocal lens in at least a direction perpendicular to propagation axis of the light passing through the first varifocal lens. The miniature lens system has a small z-height and can be implemented in mobile devices such as mobile phones.

主权项

1. A miniature zoom lens system, comprising:
a first prism positioned on an optical axis to receive incident light from an entrance to the miniature lens system through a first face of the first prism and to bend the received light by approximately 90 degrees before allowing the light to exit from a second face of the first prism; a pair of varifocal lenses, each comprising at least two optical elements and each optical element having at least one optical surface defined by a polynomial, and wherein at least one of the pair of varifocal lenses is positioned to receive light that exits from the second face of the prism; each of the optical elements being formed integrally with a frame, at least one base lens positioned substantially along the optical axis to receive light after passing through the pair of varifocal lenses; and a first actuator configured to connect to the frames of the optical elements to move the pair of varifocal lenses in a direction substantially perpendicular to optical axis.