Patent ID: 8243376

Claim:
A lens module, comprising: a base defining a receiving space and having two spaced-apart through holes for fluid communication of said receiving space with an area external to said base; a first lens unit including a first lens disposed within said receiving space; and a second lens unit including a second lens disposed within said receiving space, said second lens unit laterally displaced from said first lens unit; wherein each of said first and second lenses includes a respective light-penetrating portion in communication with a respective one of said through holes, and each said light-penetrating portion has a concave surface; wherein said light-penetrating portion of said first lens defines a first light communicating path that corresponds in position to one of said through holes, and said light-penetrating portion of said second lens defines a second light communicating path that corresponds in position to the other one of said through holes; wherein two intersecting lines passing through said first light communicating path via a corresponding one of said through holes define a viewable region of said first lens unit therebetween, and two intersecting lines passing through said second light communicating path via the other one of said through holes define a viewable region of said second lens unit therebetween; wherein said first and second lenses simultaneously permit corresponding light rays within corresponding viewable regions in a same direction to pass therethrough via said first and second light communication paths, respectively; and wherein an optical axis of each of said first and second lenses inclines inwardly to increase an overlapping area of said viewable regions of said first and second lens units.