Abstract: A device (1) for producing a photoactive system (10), in particular a deactivated photoactive system (10), characterised by: an imaging device (2) having at least one imaging arrangement (20), wherein the at least one imaging arrangement (20) has a beam passage plane (SE) and an optical axis (O), and the at least one imaging arrangement (20) is designed to generate electromagnetic beams which extend along a beam path and pass through the imaging arrangement (20) on the beam passage plane (SE) and to reflect the electromagnetic beams along the beam path at the photoactive arrangement (11) in order to image, on a first focal plane (B1) of the imaging arrangement (20), an evaluation image of a photoactive arrangement (11) of the photoactive system (10) to be produced, and the electromagnetic beams of the beam path are captured on the first focal plane (B1) in order to capture the evaluation image of the photoactive arrangement (11); and a first holding device (3a) having a first holding plane (Ha), on the first