The invention relates to an endoscopic imaging system for observing an operation field (2) in a space (1) located inside the body of an animal, that comprises: an image acquisition means (3) for providing information on the operation field (2); a means (4) for processing the information from the acquisition means; a display means (5) for the information processed by the processing means (4), characterised in that: the acquisition means (3) includes at least two independent image acquisition devices mobile relative to each other, the image acquisition devices being adapted to be positioned in the space (1); and in that the processing means (4) includes computing means for obtaining three-dimensional information on the observed operation field (2) from the information received from the image acquisition devices, and a means for reconstructing a three-dimensional image of a region of interest in the operation field from the obtained three-dimensional information.