Design, fabrication, and testing were demonstrated for a conformal window imaging system. The conformal window is sapphire and has a toroidal shape. A pair of axially translating cylindrical lenses were constructed to correct the astigmatism introduced by the window across the full field of regard. A telephoto camera lens was used with the system for imaging objects at infinity. Images of some distant targets were collected, and they compare favorably to those images taken with the camera alone.
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