主权项 |
1. An optical system configured for viewing an object, said optical system comprising:
an illumination system configured to illuminate said object; an imaging system configured to image said object onto a sensor, said imaging system comprising at least one optical surface; a physical aperture stop of said imaging system, said physical aperture stop being disposed in the imaging system within an aperture stop plane; and a light source of said illumination system, placed in said aperture stop plane, configured such that light travels in a first direction from said light source to said object via said at least one optical surface, and wherein, after having reached said object, said light goes back in a second reverse direction, in a reverse order, towards said physical aperture stop via said at least one optical surface, and reaches said sensor. |