An optical apparatus, comprising: an optical lens system configured to convey an image of an anatomical target (100) to a set (102) imaging through an optical path of imaging provided by the system optical lens including the optical lens system: a lens (202) lens configured for placement near the anatomical target； and a set (302) alignment, set to the user at least partially positioned in the optical path of imaging； a laser module (304, 402), configured to generate a collimated beam； a diffractive element configured to receive the collimated beam and, in response, to provide a modified bundle comprising a target focus； and a divider (204) beam, located along the optical path of imaging, the beam splitter being configured to direct the anatomical target at least a portion of the modified bundle comprising target approach, through at least a portion of the optical path of imaging including the objective lens； in which a displayed image through the optical path of imaging includes a first field of view, when the alignment assembly is at least partially included in the optical path of imaging, and a second field of view when the alignment assembly is substantially excluded from the optical path of imaging； and wherein the alignment assembly is configured to provide a target alignment (502) visible to the user, through the optical path of imaging, using the first field of view.Un aparato óptico, que comprende: un sistema de lente óptica, configurado para transmitir una imagen de una diana anatómica (100) a un conjunto (102) de adquisición de imágenes a través de una ruta óptica de obtención de imágenes proporcionada por el sistema de lente óptica, incluyendo el sistema de lente óptica: una lente (202) del objetivo, configurada para su ubicación cerca de la diana anatómica； y un conjunto (302) de alineación, configurado para que el usuario lo coloque al menos parcialmente en la ruta óptica de obtención de imágenes； un módulo láser (304, 402), configurado para generar un
