The invention concerns a lens housing comprising a wall comprising: a contact surface arranged for contact with a support (203) a first region for receiving an electrowetting optical device (204) comprising a cavity containing first and second liquids, the curvature of an interface between said first and second liquids being controllable by electrowetting by application of a voltage between first and second electrodes (206, 208) of said device; and a second region for receiving one or more fixed lenses (216), the second region being positioned between said contact surface and said first region; wherein said lens housing further comprises first and second conducting tracks (212, 214) integrated with said wall, said conducting tracks extending between said contact surface and said first region and arranged to make electrical contact with respective ones of said first and second electrodes of said electrowetting optical device when said electrowetting optical device is positioned within said first region.