Patent ID: 8854519

Claim:
A system, comprising: a first lens; a second lens in optical communication with the first lens; and a focal plane positioned to receive light focused by a combination of the first lens and the second lens; wherein: the first lens, the second lens, and the focal plane are immobile with respect to each other along an optical axis; the first lens is physically spaced apart from the second lens by a first predetermined distance; the first lens is physically spaced apart from the focal plane by a second predetermined distance; the first lens is electro-active, and comprises at least two substrates; a substantially transparent conductive electrode layer is operatively connected so each substrate; at least one of the electrode layers is patterned and includes a plurality of ring electrodes; at least one ring electrode of the plurality of ring electrodes is electrically connected to an adjacent ring electrode of the plurality of ring electrodes by a resistive bridge that electrically bridges a substantially annular insulating gap; the at least one ring electrode is electrically connected to an input connection; and the adjacent ring electrode is electrically connected to the input connection through the resistive bridge and the at least one ring electrode.