Patent ID: 8033670

Claim:
An image acquisition device for use in an environment, comprising A. an enclosure, B. an image capture medium disposed within the enclosure, C. an optics assembly that is rotatably disposed within the enclosure, the optics assembly comprising a lens sub-assembly and a window sub-assembly, the lens sub-assembly that includes a lens and that is rotatably disposed within the window sub-assembly, the lens subassembly having a cylindrical outer diameter along at least a portion of its length that is received within the window sub-assembly along a length that has a corresponding cylindrical inner diameter, D. a first seal that is in contact with at least the optics assembly, the first seal permitting rotation of the optics assembly in order to effect focusing of an image received by the lens on the image capture medium-while, at the same time, preventing contamination of at least selected components of the environment into the enclosure or vice versa, and E. a second seal that is disposed between, and in contact with, the window sub-assembly and the lens sub-assembly along at least a portion of the aforesaid lengths thereof.