Exemplary embodiments of the present invention relate to a method for fixing an image sensor to a beamsplitter. An exemplary method comprises placing a first fixative agent comprising an ultraviolet adhesive between the image sensor and the beamsplitter and positioning the image sensor relative to the beamsplitter. The position of the image sensor is initially fixed relative to the beamsplitter by the first fixative agent. The exemplary method further comprises securing the image sensor to the beamsplitter with a second fixative agent.