An equipment object is provided for a combination imaging system and can be positioned in a measurement chamber. The equipment object includes a radionuclide imaging device and a magnetic resonance imaging device. In its peripheral region the equipment object further includes an image-critical function component which has an average radionuclide emission radiation attenuation value that reaches at least a specified attenuation limit value of 30% in relation to a first defined minimum cross-sectional area of 30 mm2, and/or wherein the equipment object is so configured that an average radionuclide emission radiation attenuation value relating to a second defined minimum cross-sectional area of 400 mm2 of the equipment object reaches at most a central attenuation limit value of 15% in an overall spatially central region of the equipment object.
