An apparatus for imaging an eye, comprising: an illumination unit, a beam splitter, an objective, a relay lens system and a camera unit; and at a working distance from the eye: the illumination unit comprising an optical radiation source, the illumination unit is configured to direct optical radiation of the source from an exit pupil of the illumination unit to the beam splitter; the beam splitter residing between the objective and the aperture of the relay lens system is configured to direct the optical radiation to the objective on the basis of reflection, wherein the illumination unit is configured to illuminate the retina of an eye with the optical radiation, and the objective is configured to form a real intermediate image of the retina between the objective and the camera unit with the optical radiation reflected from the retina, wherein a real image of the exit pupil of the illumination unit and a real image of an entrance pupil of the camera unit are formed in the position ranging from the cornea to the rear surface of the crystalline lens of an eye; the beam splitter is configured to direct the optical radiation from the retina to the camera unit by passing it through, the camera unit comprises a detecting component, the relay lens system being configured to form a real image of the intermediate image on the detecting component with the optical radiation reflected from the retina for the optical image to be shown, characterized in that the beam splitter is configured to separate a path of the illumination radiation and a path of the imaging radiation in a predetermined manner at surfaces (125, 126) of the crystalline lens only by an angle of deviation in directions, the separation preventing an overlap of the images of the exit pupil and the entrance pupil at least on the surfaces (125, 126) of the crystalline lens. the illumination unit comprising an optical radiation source, the illumination unit is configured to direct optical radiation of the source from an exit pupil of the illumination unit to the beam splitter; the beam splitter residing between the objective and the aperture of the relay lens system is configured to direct the optical radiation to the objective on the basis of reflection, wherein the illumination unit is configured to illuminate the retina of an eye with the optical radiation, and the objective is configured to form a real intermediate image of the retina between the objective and the camera unit with the optical radiation reflected from the retina, wherein a real image of the exit pupil of the illumination unit and a real image of an entrance pupil of the camera unit are formed in the position ranging from the cornea to the rear surface of the crystalline lens of an eye; the beam splitter is configured to direct the optical radiation from the retina to the camera unit by passing it through, the camera unit comprises a detecting component, the relay lens system being configured to form a real image of the intermediate image on the detecting component with the optical radiation reflected from the retina for the optical image to be shown, characterized in that the beam splitter is configured to separate a path of the illumination radiation and a path of the imaging radiation in a predetermined manner at surfaces (125, 126) of the crystalline lens only by an angle of deviation in directions, the separation preventing an overlap of the images of the exit pupil and the entrance pupil at least on the surfaces (125, 126) of the crystalline lens.