| 摘要 |
The invention relates to an optical device (40) for obtaining an enlargement of a given area of a 360° panoramic field of view, which is applicable to an optical system (20) for obtaining a 360° panoramic field of view, which comprises a retro reflector (3) with an outer convex spherical surface (1) and an image sensor (18) for digital processing the field of view: the optical device (40) comprises a magnifying optical element (6), which is fixable to the retro-reflector (3) in correspondence with the outer convex spherical surface (1), and deflector means (19). The invention also relates to an optical system (20) comprising said optical device (40), an apparatus for filming the images and an apparatus for projecting the images comprising said optical system (20). |
