Multi-aperture imaging device (10; 20; 30; 40; 80), comprising: an image sensor; an array of optical channels (16a-d), wherein each optical channel (16a-d) includes a channel-individual optic (64a-d) for imaging at least a part (72a-d) of a total field of view (70a-b) onto a proprietary image sensor region (24a-d) of the image sensor; a beam-deflecting means for deflecting optical paths of the optical channels including at least one beam-deflecting element (46a-d; 46'; 46'a-b) with a controllable surface (29a-d) for deflecting an optical path (26a-d) of an optical channel (16a-d), wherein each optical channel (16a-d) is assigned a beam-deflecting element (46a-d; 46'; 46'a-b) so that, by means of the by the beam-deflecting means, the optical paths (26a-d) are deflected from the respective partial field of view toward the optics (64a-d) and, from there, are directed onto the image sensor regions (24a-d); wherein the beam-deflecting element (46a-d; 46'; 46'a-b) is configured to comprise a transparent state of the controllable surface (29a-d) based on a first electric control and comprise a reflecting state of the controllable surface (29a-d) based on a second electric control in order to deflect the optical path (26a-d); characterized in that the controllable surface (29a-d) is a first controllable surface, wherein the beam-deflecting element comprises a second controllable surface that is controllable into the transparent state and the reflecting state, wherein the first and the second controllable surfaces (29a, 29e) are arranged at an angle (α) of at least 10° and at most 170° towards each other; wherein the beam-deflecting element includes a first, a second, a third and a fourth prism (35a-d) having a triangular basal shape, wherein the first controllable surface is formed including a first surface element (29a 1) and a second surface element (29a 2), wherein the second controllable surface is formed including a third surface element (29e 1) and a fourth surface element (29e 2), wherein each of the first to fourth surface elements (29a 1, 29a 2, 29e 1, 29e 2) is arranged at a prism surface of one of the first to fourth prisms (35a-d) and the prisms (35a-d) are arranged such that prism surfaces oppose each other and the first and the second surface elements (29a 1, 29a 2) form the first controllable surface and the third and the fourth surface elements (29e 1, 29e 2) form the second controllable surface; wherein the first surface element (29a 1) includes a first layer stack which provides switching between the transparent state and the reflecting state, wherein an order of layers (S1-S4) in the first layer stack is complimentary to an order of layers (S1-S4) in a second layer stack of the second controllable surface element (29a 2). an image sensor; an array of optical channels (16a-d), wherein each optical channel (16a-d) includes a channel-individual optic (64a-d) for imaging at least a part (72a-d) of a total field of view (70a-b) onto a proprietary image sensor region (24a-d) of the image sensor; a beam-deflecting means for deflecting optical paths of the optical channels including at least one beam-deflecting element (46a-d; 46'; 46'a-b) with a controllable surface (29a-d) for deflecting an optical path (26a-d) of an optical channel (16a-d), wherein each optical channel (16a-d) is assigned a beam-deflecting element (46a-d; 46'; 46'a-b) so that, by means of the by the beam-deflecting means, the optical paths (26a-d) are deflected from the respective partial field of view toward the optics (64a-d) and, from there, are directed onto the image sensor regions (24a-d); wherein the beam-deflecting element (46a-d; 46'; 46'a-b) is configured to comprise a transparent state of the controllable surface (29a-d) based on a first electric control and comprise a reflecting state of the controllable surface (29a-d) based on a second electric control in order to deflect the optical path (26a-d); characterized in that the controllable surface (29a-d) is a first controllable surface, wherein the beam-deflecting element comprises a second controllable surface that is controllable into the transparent state and the reflecting state, wherein the first and the second controllable surfaces (29a, 29e) are arranged at an angle (α) of at least 10° and at most 170° towards each other; wherein the beam-deflecting element includes a first, a second, a third and a fourth prism (35a-d) having a triangular basal shape, wherein the first controllable surface is formed including a first surface element (29a 1) and a second surface element (29a 2), wherein the second controllable surface is formed including a third surface element (29e 1) and a fourth surface element (29e 2), wherein each of the first to fourth surface elements (29a 1, 29a 2, 29e 1, 29e 2) is arranged at a prism surface of one of the first to fourth prisms (35a-d) and the prisms (35a-d) are arranged such that prism surfaces oppose each other and the first and the second surface elements (29a 1, 29a 2) form the first controllable surface and the third and the fourth surface elements (29e 1, 29e 2) form the second controllable surface; wherein the first surface element (29a 1) includes a first layer stack which provides switching between the transparent state and the reflecting state, wherein an order of layers (S1-S4) in the first layer stack is complimentary to an order of layers (S1-S4) in a second layer stack of the second controllable surface element (29a 2).