An imaging device configured for optoacoustic imaging of an object, including an illumination device including optical components arranged to illuminate the object, a detector device comprising an array of detector elements arranged in a tank and arranged to detect acoustic signals created in the object, and a container device including a tank arranged to accommodate the detector device, the object and a matching transmission medium, a holding device adapted to position and move the object relative to the illumination device and the detector device, wherein the optical components are arranged in the tank to illuminate the object from different directions.