Patent ID: 9654683
Date: 2017-05-16
CPC Classifications: G02B,H04N

Claim:
1. An apparatus for image acquisition, the apparatus comprising: a main lens, a micro lens array, and an image sensor successively disposed alternately, and wherein the image sensor is configured to: sense an optical signal transmitted from the main lens and the micro lens array, and convert the optical signal into an electrical signal; and a processor configured to: control a focal length ‘f wherein: the processor is generates a voltage to control the focal length ‘f the main lens and the micro lens are voltage-controlled zoom lenses; and the processor is configured to change the focal lengths of the main lens and the micro lens by controlling voltages imposed on the main lens and the micro lens array; wherein a distance ‘a’ between the micro lens array and the image sensor and a distance ‘b’ between the micro lens array and the main lens satisfy an equation b/d