Patent ID: 8773573

Claim:
A camera system, comprising: an image sensor including a pixel array for capturing image light; an aperture through which the image light enters the camera system; and an adjustable lens disposed in an optical path of the image sensor to focus the image light received through the aperture onto the pixel array, the adjustable lens including: a first lens member having a first corrugated surface and a first flat surface opposite the first corrugated surface, the first corrugated surface including a periodic structure of alternating ridge and groove sections; a second lens member having a second corrugated surface and a second flat surface opposite the second corrugated surface, the second corrugated surface including a periodic structure of alternating ridge and groove sections, wherein the second flat surface is oriented to face the first flat surface; and blackout regions disposed between the first and second corrugated surfaces and positioned to block the image light passing through either the ridge sections of the first lens member, or alternatively, the groove sections of the first lens member.