Patent ID: 6028712
Filing Date: 2000-02-22
Classification: F41G,G02B

Abstract:
An optical system, comprising:a window having a curved outer surface and a curved inner surface;an optical corrector adjacent to the curved inner surface of the window, the optical corrector comprising an aspheric transparent body having a shape and position selected responsive to a shape of the window to establish selected optical characteristics of an optical ray after it has passed through the window and the optical corrector;a movable optical corrector support upon which the optical corrector is mounted;an optical train positioned such that the optical corrector lies between the curved window and the optical train, the optical train including at least one optical element operable to alter the optical ray incident thereon;a movable optical train support upon which the optical train is mounted; anda sensor disposed to receive the optical ray passing sequentially through the window, the optical corrector, and the optical train.