The present invention relates to an apparatus (100) and a corresponding method for operation in a magnetic particle imaging mode for influencing and/or detecting magnetic particles in a field of view (28) and for operation in a magnetic resonance imaging mode, which apparatus comprises selection means comprising a selection field signal generator unit (110) and selection field coils (116), drive means comprising a drive field signal generator unit (130) and drive field coils (136a, 136b, 136c) for changing the position in space of the two sub-zones (52, 54) in the field of view (28) by means of a magnetic drive field so that the magnetization of the magnetic material changes locally, and focus means comprising a focus field signal generator unit (120) and a focus field coil unit (126) for changing the position in space of the field of view (28) by means of a magnetic focus field, wherein said focus field coil unit (126) comprises at least six focus field coils (32a-32d, 34a- 34d 33a-33f) arranged for generating magnetic focus field components in different directions, wherein a first set of at least three focus field coils (32a, 32c, 34a, 34c 33a-33c) is arranged on a first side of the field of view (28) and a second set of at least three focus field coils (32b, 32d, 34b, 34d 33d-33f) is arranged on a second side of the field of view (28) opposite said first side.La présente invention se rapporte à un appareil (100) et à un procédé correspondant pour une application dans un mode dimagerie de particules magnétiques, destinés à influencer et/ou à détecter des particules magnétiques dans un champ de vision (28) et pour une application dans un mode dimagerie par résonance magnétique, lequel appareil comprend des moyens de sélection qui comprennent une unité de génération de signaux de champ de sélection (110) et des bobines de champ de sélection (116), des moyens de commande qui comprennent une unité de génération de signaux de champ de commande (130) et des bobines de c
