Patent ID: 7227705
Filing Date: 2007-06-05
Classification: G02B

Abstract:
1. A wide-angle optical system ( 2 ) having an objective ( 4 ) and a mirror system, comprising at least one curved mirror ( 6 ) and a further mirror ( 8 ) for projecting a wide-angle image through the objective ( 4 ) onto a detector ( 10 ), wherein said at least one curved mirror ( 6 ) and the further mirror ( 8 ) of the mirror system are arranged to be selectably movable along an optical axis ( 16 ) which extends through the objective ( 4 ), the further mirror ( 8 ) being a flat mirror and being the movable mirror, the optical axis ( 16 ) extending through the objective ( 4 ) and the further mirror ( 8 ) is tiltable relative to and rotatable about the optical axis ( 16 ), and the further mirror ( 8 ) is movable in translation relative to the objective ( 4 ).