Multiaperturabbildungsvorrichtung, imaging system and method for providing a Multiaperturabbildungsvorrichtung

description

The present invention relates to a Multiaperturabbildungsvorrichtung, to an imaging system and a method for providing a Multiaperturabbildungs ​​device. The present invention further relates to a Blickrichtungsumschal-tung in an array line scan camera by means of electrically switchable mirror, such as a liquid crystal mirror (Liquid Crystal Mirror) and more particularly to a Blickrichtungsumschal-tung without mechanically moving parts.

Conventional cameras have an imaging channel, which reflects the entire object field. Multiaperturabbildungsvorrichtungen can represent by a plurality of partial fields of the object field. There are concepts that by using a Strahlumlenksystems, such as a mirror, a deflection of a view direction of the camera channels from the device level in a different direction of the whole system it-possible perpendicular, for example, approximately so. This perpendicular direction, for example, in the use case of a mobile phone in a direction of the user's face or in a direction of the environment in front of him done and done essentially by means of a switchable folding mirror.

Desirable would be a Multiaperturabbildungsvorrichtung, an imaging system and a method for providing a Multiaperturabbildungsvorrichtung that enable a mechanically robust approach.

The object of the present invention is to provide a Multiaperturabbildungsvorrichtung, an imaging system and a method for providing a Multiaperturabbildungsvorrichtung which enable a compact and at the same time mechanically robust design of the Multiaperturabbildungsvorrichtung.

This object is achieved by the subject matter of the independent claims.

A finding of the present invention is to have recognized that the above object can be solved by the viewing direction switching can be done by a beam-deflecting element which is electrically controllable and can have alternately a transparent state and a reflective state, so that the deflection the line of sight can be done by electrical control. This allows for the substitution of mechanically moving Strahlumlenkspiegel, which enables a high mechanical robustness while maintaining the compact design.

According to one embodiment includes a Multiaperturabbildungsvorrichtung an image sensor, an array of optical channels, each optical channel comprises an optical system for imaging at least a portion of a total field of view to an image sensor portion of the image sensor. The Multiaperturabbildungsvorrichtung further comprises a beam deflecting device comprising wherein each optical channel is associated with a beam-deflecting element comprises at least one beam-deflecting element with a controllable surface for deflecting an optical path of an optical channel. The beam-deflecting element is adapted to based on a first electrical control to have a transparent state of the controllable area and to based on a second electric drive have a reflective state of controllable surface, to redirect the beam path.

According to a further embodiment, the beam deflecting device comprises at least one mirror element, wherein each optical channel is associated with one mirror element, which is arranged so that the beam deflecting device deflects the beam path with the mirror element in the transparent state of the controllable area. This may for example be the beam path which has passed through the electrically controllable beam-deflecting element in the transparent state and then strikes the mirror element. This allows deflection in two arbitrarily aligned directions, for example 180 °, by using only one controllable on-beam-deflecting element.

According to a further embodiment, the beam deflector, a first beam deflector, wherein each optical channel is associated with a second beam deflector the beam deflecting device, which is arranged so that the optical path meets the optical channel in the transparent state of the first Strahlumlenkelementes to the second beam deflector. That is, two ray deflection can be connected along the beam paths behind the other. This allows the steering Strahlum along two directions while avoiding classical mirrors and / or allows a beam deflection along three directions, such as when both beam-deflecting elements comprise the transparent state simultaneously.

According to a further embodiment, the beam deflection element to a controllable first active surface and a second controllable active surface, which can be controlled in the transparent state and the reflective state. The first and second controllable surface are at an angle of at least 10 ° and arranged at most 170 ° zueinan-der. This allows the combination of two ray deflection in a single beam deflector and an adjustment the direction deflections in the beam deflection.

According to a further embodiment, the first surface in a controllable ers-th diagonal surface is a Strahlumlenkelementkörpers, such as a cube or the like is disposed, and the second controllable surface is arranged in a second diagonal surface of Strahlumlenkelementkörpers. This allows for assembly of the Strahlumlenkelementes by individual components, whose outer edges form the diagonal planes of the overall body.

According to one embodiment, the first controllable surface and the second controllable surface about an axis which is arranged parallel to a line extending direction of the array, arranged inclined to one another. By means of the inclination of the controllable surfaces to each other, a difference can be adjusted by the switching of the ray deflection in the direction of view.

According to one embodiment, the angle to within a tolerance range of 10% to 90 °. This allows a switch to 180 ° mutually different angles.

According to one embodiment, the beam deflector comprises a first, second, third and fourth prism with a triangular base, wherein the first controllable surface comprising forming a first surface element and second surface element, wherein the second controllable surface comprising a third surface element and a fourth surface element is formed. Each of the first to fourth surface element is disposed on a prism surface of the first to prisms. The prisms are arranged so that the first and second surface element form the first controllable surface and the third and fourth surface element forming the fourth surface element. This makes it possible to obtain a prismatic body whose diagonal surfaces are formed by the surfaces of the controllable Strahlumlenkelementes. This allows obtaining a Strahlumlenkelementes with a high optical quality.

In one embodiment, the first surface element includes a first layer stack, which provides the switching between the transparent state and the reflective state. A sequence of layers in the first layer stack is complementary to a sequence of layers in a second multilayer stack of the second surface element. This allows for a homogeneous and uniform layer sequence in the first controllable surface, such as when the layers comprise through the joining of the prisms have a different orientation to one another, such as rotated 180 °.

According to one embodiment, the beam deflector includes a controllable surface which is controllable in the reflecting state and the transparent state. The beam deflecting device comprises a plurality of beam deflecting elements that are arranged along a line extending direction of the array. The controllable FLAE-chen the plurality of beam deflecting elements are inclined to each other in the beam deflection device arranged so that the optical channels in different sub-fields of an overall common visual field are deflected. This allows a large-area recording in the form of the total field of view while maintaining a substantially parallel orientation of the beam paths between the image sensor and the beam deflecting device, which allows a simple and high-precision manufacturing.

According to one embodiment, the beam deflecting device comprises a plurality of equal beam deflecting formed along a line extending direction along which the optical channels are arranged in the array. The plurality of beam deflecting elements is arranged to rotate along the line extending direction of each other. This allows a determination of the directions in which the optical channels are guided by a determination of the rotation angle, which is easily possible.

According to a further embodiment, the Multiaperturabbildungsvorrichtung comprises a focusing device comprising at least one actuator for adjusting a focus of the Multiaperturabbildungsvorrichtung. The actuator is configured to provide a relative movement between one of the optics and the image sensor. This allows to obtain high quality images by a variable focus.

According to one embodiment includes a first optic of a first optical channel has a first focal length and a second optical system of a second optical channel to a second focal length. The first focal length is different from the second focal length from at least 10%. This enables different opening angles in the imaged partial or total visual fields.

According to one embodiment, a first group is configured with at least one optical channel comprising optics with the first focal length to a first total field map. A second group having at least one optical channel comprising optics to the second focal length is configured to generate a second total field map. In combination with different focal lengths can then be mapped-with different overall visual field sizes.

According to one embodiment includes a Multiaperturabbildungsvorrichtung one for two, a plurality or all of the optical paths of the optical channels co-acting optical image stabilizer for optical image stabilization along a first image axis and a second image axis by generating a relative movement between the image sensor and the array. The relative translational movement parallel to a first image axis and a second axis of an image captured by the Multiaperturabbildungsvor-directional image. This allows to obtain images having a high quality by using an optical image stabilization.

According to one embodiment, the Multiaperturabbildungsvorrichtung comprises a two, a plurality or all of the optical paths of the optical channels acting electronic image stabilizer for electronic image stabilization along one of the image axis and the second imaging axis. The electronic image stabilization may be arranged alternatively or in addition to the optical image stabilizer. For example, focal lengths of the optical systems are different from each other, intentionally or unintentionally, so that the optical image stabilization in different optical channels has a different effect. These different effects can be reduced by the additional use of an electronic image stabilizer or compensated. Alternatively, the use of an electronic image stabilizer allows a channel-individual image stabilization, can be so that no need to use an optical image stabilizer.

According to an embodiment of the electronic image stabilization is formed to a channel-individual electronic image stabilization in each channel according to a predetermined functional relationship be performed, depending on a obtained by the optical image-stabilization and / or focusing relative movement between the image sensor and the array. With knowledge of the optical properties and / or the relative movement carried out an impact in the illustrations of the optical channels can be known in advance, which can be compensated by the electronic image stabilizer, so that high quality can be obtained the images.

According to one embodiment, a Multiaperturabbildungsvorrichtung comprises a control device for alternately driving the beam-deflecting element in the transparent state and in the reflecting state based on a user input.

According to another embodiment includes an imaging system comprising a first and a second Multiaperturabbildungsvorrichtung formed to detect a total field of view at least partially stereoscope.

According to another embodiment, a method for providing a Multiaperturabbildungsvorrichtung comprises providing an image sensor, providing an array of optical channels so that each optical channel at least a portion comprises an optical system for imaging an overall field of view to an image sensor portion of the image sensor. The method comprises processing Strahlumlenkeinrich-arranging a comprising a beam-deflecting element with a controllable surface so that each optical channel is associated with a beam-deflecting element for deflecting at least a beam path of an optical channel. The method is performed so that the beam-deflecting element is adapted to based on a first electrical control to have a transparent state of the controllable area and to based on a second electric drive have a reflective state of controllable surface, to deflect to the beam path.

Further advantageous embodiments are the subject of the dependent claims.

Preferred embodiments of the present invention are explained below with reference to the accompanying drawings. Show it:

Fig. 1 a is a schematic perspective view of a Multiaperturabbildungsvorrich- processing according to an embodiment;

. Fig. 1 b is a schematic representation of an overall field of view, as it can be detected for example by the Multiaperturabbildungsvorrichtung of Figure 1 a according to an embodiment;

Fig. 1 c is a schematic representation of the overall field of view of Figure 1 b, which is completely represented by two partial fields and detected by four optical channels stereoscope.

Fig. 2 is a schematic side sectional view of an optical channel of a multi- tiaperturabbildungsvorrichtung according to an embodiment, comprising a mirror element;

Fig. 3 is a schematic view of an optical channel of a Multiaperturabbil--making apparatus according to another embodiment wherein the two ray deflection optical channel are assigned;

Fig. 4 is a schematic view of an optical channel of a Multiaperturabbil--making apparatus according to another embodiment in which the beam deflection element comprises two mutually inclined active surfaces controllable;

. Fig. 5 is a schematic side sectional view of a possible embodiment of the Strahlumlenkelementes of Figure 4 according to an embodiment;

FIG. 6a is a schematic side sectional view of layer stacks comprising four layers, the surface elements of a controllable surface at least partially form, according to an embodiment;

. FIG. 6b shows an assembly of the layer stack of Fig 6a in accordance with an embodiment;

Fig. 7 is a schematic side sectional view of a beam deflecting device according to an embodiment comprising two ray deflection;

Fig. 8 is a schematic perspective view of a Multiaperturabbildungsvorrich- processing according to an embodiment, in which the array of optical channels comprises three optical channels;

Fig. 9 is a schematic view of two general fields of view, the tiaperturabbildungsvorrichtung with a multi- described herein in accordance with embodiments can be detected;

FIG. 10 is a schematic perspective view of an imaging system according to an embodiment; and

Fig. 1 1 is a schematic flow diagram of a method for providing a Multiaperturabbildungsvorrichtung according to an embodiment.

Before describing embodiments of the present invention in detail with reference to the drawings will be explained in more detail, it is noted that identical, functionally identical or equivalent elements, objects and / or structures are provided in the different figures with the same reference numerals, so that the position shown in different embodiments Description of these elements is interchangeable and can be applied to one another.

Fig. 1 a is a schematic perspective view showing a Multiaperturabbildungsvor direction 10 according to an embodiment. The Multiaperturabbildungsvorrichtung 10 includes an image sensor 12, an array 14 of optical channels 16a through 16d, and a beam deflection device 18. Each optical channel 16a-16d includes an optical system 64a, 64b, 64c and 64d for imaging at least a portion of a total field of view to an image sensor area 24a , 24b, 24c and 24d of the image sensor 12th

The beam deflection device 18 comprises a plurality of beam deflecting elements 46a to 46d. Each optical channel may be assigned 46a to 46d, a beam deflector, which means that one or more optical channels can be deflected by a beam-deflecting element 46a to 46d. The beam-deflecting elements 46a to 46d are formed to have an electric driver 23 based on a variable optical state. For this purpose, any beam-deflecting element may have a controllable surface 29a-d on an electric drive having a transparent state based and / or a reflective state. A first state may be a substantially transparent state, at least in the relevant for the Multiaperturabbildungsvorrichtung wavelength range, such as the visible light. The transparent state, for example, and at least in a relevant range of viewing angles, for example 0 ° to 70 °, 0 ° to 60 ° or 0 ° to 50 ° a photonic permeability of at least 50%, at least 70% or at least 80% have. In a second state, the beam-deflecting element may be substantially formed reflective. This means that light is reflected in the relevant wavelength range and in the relevant range of viewing angles in a circumference of at least 50%, at least 70% or at least 80%. Examples of elements which have such functionality, mirrors based on liquid crystals, as they are playing, in-distributed by KENTOPTRONICS are.
claims

Multiaperturabbildungsvorrichtung (10; 20; 30; 40; 80) comprising:

an image sensor (12);

an array (14) of optical channels (16a-d), each optical channel (16a-d) an optic (64a-d) for imaging at least a portion (72a-d) of a total field of view (70a-b) onto an image sensor region (24a-d) of the image sensor (12) summarizes micron;

a beam deflecting device (18) comprising at least one beam-deflecting member (46a-d; 46 '; 46'ab) 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) a beam-deflecting member (46a-d; 46 '; 46'ab) is associated;

said beam-deflecting member (46a-d; 46 '; 46'ab) is formed on a first electrical control (23) to have a transparent state based the controllable surface (29a-d) and in order based on a second electric drive ( 23) have a reflective state of the controllable surface (29a-d) to the beam path (26a-d) to deflect.

Multiaperturabbildungsvorrichtung according to claim 1, wherein the beam deflecting device (18) comprises at least one mirror element (27), wherein each optical channel (16a-d) a mirror element (27) is associated, which is arranged so that the beam deflecting device (18) in the transparent state of the controllable surface (29a-d) the beam path (26a-d) deflects with the mirror element (27).

Multiaperturabbildungsvorrichtung according to claim 1 or 2, wherein the beam deflector (46a) comprises a first beam deflector, and a second beam deflection element (46e) of the beam deflecting device is in which each optical channel (16) is assigned (18) which is arranged such that the beam path ( 26) of the optical channel in the transparent state of the controllable surface (29a-d) of the first Strahlumlenkelementes (46a) to the second beam deflection element (applies 46e).

Multiaperturabbildungsvorrichtung according to any one of the preceding claims, in which the controllable surface (29a-d) a first controllable surface (29a), wherein the beam deflector comprises a second controllable surface (29e), which are controllable in the transparent state and the reflecting state, wherein the first and the second controllable surface (29a, 29e) at an angle (a) of at least 10 ° and at most 170 ° to one another.

Multiaperturabbildungsvorrichtung according to claim 4, wherein the first controllable surface is arranged in a first diagonal surface of a Strahlumlenkelementkörpers (33) (29a), and wherein the second controllable surface is arranged (29e) in a second diagonal surface of Strahlumlenkelementkörpers (33).

Multiaperturabbildungsvorrichtung according to claim 5, wherein the first controllable surface (29a) and the second controllable surface (29e) about an axis (31) which is arranged parallel to a row direction of extension (65) of the array (14) are arranged inclined to one another.

Multiaperturabbildungsvorrichtung according to any one of claims 4 to 6, wherein the angle (a) within a tolerance range of 10% has a value of 90 °.

Multiaperturabbildungsvorrichtung according to any one of claims 4 to 7, wherein the beam deflector comprises (46 ') a first, second, third and fourth prism (35a-d) with a triangular base area, wherein the first controllable surface (29a) comprising a first surface element (29a and a second surface element (29a 2 ) is formed, wherein the second controllable surface (29e) (29e, and a fourth surface element (29e comprising a third surface element 2 is formed), each of the first to fourth surface members (29a ? , 29a 2 , 29e-], 29e 2 ) on a prism surface of the first is arranged to fourth prism (35a-d), and the prisms (35a-d) are arranged such that the first and second surface element (29a ? , 29a 2 ) the first controllable surface (29a) form and the third and fourth surface element (29e h 29e 2 ) the second controllable surface (29e form).

Multiaperturabbildungsvorrichtung according to claim 8, wherein the first surface element (29ai) comprises a first layer stack (51 a), providing switching between the transparent state and the reflective state, wherein an order of layers (S1-S4) in the first layer stack ( 51 a) b) complementary to a sequence of layers (S1-S4) in a second layer stack (51 of the second controllable surface element (29a 2 is).

10. Multiaperturabbildungsvorrichtung according to one of the preceding claims, wherein the beam deflecting device (18) a plurality of beam deflecting elements

(46a-d; 46'ab) which the working rays are arranged along a row direction of extension (65), wherein the controllable surfaces (29a, 29'a, 29e, 29'e) of the plurality of beam deflecting elements (46a-d ; 46'ab are) inclined towards each other in the beam deflecting device (18) arranged so that the optical channels (16a-d) in different sub-fields of view (72a-d) of a common overall field of view (70) are deflected.

Multiaperturabbildungsvorrichtung according to any one of the preceding claims, wherein the beam deflecting device (18) comprises a plurality of equally formed beam deflecting elements (46a-d; 46'ab) along a line extending direction (65) along which the optical channels (16a-d) in the array ( 14) are arranged, wherein the plurality of beam deflecting elements (46a-d; 46'ab) rotates along the row direction of extension (65) is arranged to each other.

Multiaperturabbildungsvorrichtung according to one of the preceding claims, which (89a-c) for adjusting further comprises a focusing device (87) comprising at least one actuator of a focus of the Multiaperturabbildungsvorrichtung, wherein the actuator (89a-c) is formed to a relative movement between at least one of the optics (64a-d) and to provide the image sensor.

Multiaperturabbildungsvorrichtung according to one of the preceding claims, wherein a first optical system (64a-d) of a first optical channel (16a-d) having a first focal length (f |, f 2 f, 3 ), and wherein a second optical system (64a- d) a second optical channel (16a-d) a second focal length (f |, f 2 f 3 has), wherein the first focal length of the second focal length deviates by at least 10%.

Multiaperturabbildungsvorrichtung according to claim 13, wherein a first group having at least one optical channel (16a-d) comprising an optic (64a-d) to the first focal length (f ^ f 2 f, 3 ) is configured to generate a first total field of view (70a ) map and a second group having at least one optical channel

(16a-d) comprising an optical system with the second focal length (f 1 ( f 2 , f 3 is configured) to produce a second total field of view (70b) map.

15. Multiaperturabbildungsvorrichtung according to any one of the preceding claims, wherein the beam-deflecting member (46a-d; 46 '; 46'ab) is designed to operate in the transparent state and in the reflective state of a mutually different optical adjustment of the optical channel (16a d) to carry out.

16. Multiaperturabbildungsvorrichtung according to claim 15, wherein the strahlum- directing element (46a-d; 46'ab; 46 ') has a controllable surface (29a, 29'a, 29e, 29'e) formed in the transparent state and is controllable reflective state, in which the controllable surface (29a, 29'a, 29e, 29'e) in the reflective state and the transparent state tion different from each focus or defocus of the optical channel (16a-d) provides ,

17. Multiaperturabbildungsvorrichtung according to any one of the preceding claims, wherein the beam-deflecting member (46a-c) is arranged between the image sensor and an optical element (67a-c), so that along a first viewing direction of the Multiaperturabbildungsvorrichtung the beam path (26a-c) of the optical element (67a-c) is influenced and is affected along a second viewing direction not from the optical element (67a-c).

Multiaperturabbildungsvorrichtung according to any one of the preceding claims, further comprising a co-acting one, two, a plurality or all of the beam paths (26a-d) of the optical channels (16a-d) optical image stabilizer (22) for optical image stabilization along a first imaging axis (28) and a second image axis (32) by generating a translational relative movement between the image sensor (12) and the array (14), wherein the relative translational movement to a first imaging axis (28) and a second image axis (32) of an image in parallel detected by the Multiaperturabbildungsvorrichtung runs.

Multiaperturabbildungsvorrichtung according to any one of the preceding claims, further comprising an act for one, two, a plurality or all of the beam paths (26a-d) of the optical channels (16a-d) electronic image stabilizer (41) for electronic image stabilization along a first imaging axis (28) and a second image axis (32).

To an image stabilization channel-individually for each optical channel (16a-d) run Multiaperturabbildungsvorrichtung according to claim 19, wherein the electronic image stabilizer (41) is formed.

Multiaperturabbildungsvorrichtung is formed according to claim 20 wherein the electronic image stabilizer (41) to an image of an optical channel (16a-d) based on an optically stabilized reference image in another optical channel (16a-d) to stabilize.

Multiaperturabbildungsvorrichtung according to claim 18 to 21, wherein the electronic image stabilizer (41) is formed to the channel-individual electronic image stabilization in each channel (16a-d) carried out after a predetermined functional relationship provided by by a relative movement between the image sensor (12) , the array (14) and the beam deflecting device (18) depends.

Multiaperturabbildungsvorrichtung according to any one of the preceding claims, further comprising:

a focusing device (87) comprising at least one actuator (89a-c) for channel-specific adjustment of a focus of the Multiaperturabbildungsvorrichtung, wherein the actuator (89a-c) is formed to a channel-individual relative movement between the optical systems (64a-d) and the image sensor (12 ) provide;

one for one, two, a plurality or all of the beam paths (26a-d) of the optical channels (16a-d) acting electronic image stabilizer (41) to stabilize the image along a first imaging axis (28) and a second image axis (32).

Multiaperturabbildungsvorrichtung according to one of the preceding claims, further comprising a control means (53) for alternately driving the beam-deflecting member (46a-d; 46 '; 46'ab) in the transparent state and in the reflecting state based on a user input (55).

a to a total field of view to capture according to the preceding claims, which is designed (70) at least partially stereoscope Multiaperturabbildungsvorrichtung (80 10; 20; 30; 40;).

Multiaperturabbildungsvorrichtung (10; 20; 30; 40; 80) comprising:

an image sensor (12);

an array (14) of optical channels (16a-d), each optical channel (16a-d) an optic (64a-d) for imaging at least a portion (72a-d) of a total field of view (70a-b) onto an image sensor region (24a-d) of the image sensor (12) summarizes micron;

a beam deflecting device (18) comprising at least one beam-deflecting member (46a-d; 46 '; 46'ab) 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) a beam-deflecting member (46a-d; 46 '; 46'ab) is associated;

said beam-deflecting member (46a-d; 46 '; 46'ab) is formed on a first electrical control (23) to have a transparent state based the controllable surface (29a-d) and in order based on a second electric drive ( 23) have a reflective state of the controllable surface (29a-d) to the beam path (26a-d) to deflect;

wherein the controllable area (29a-d) a first controllable surface (29a), wherein the beam deflector comprises a second controllable surface (29e), which are controllable in the transparent state and the reflective state, wherein the first and the second controllable surface (29a, 29e) (a) are arranged at least 10 ° and at most 170 ° with each other at an angle; and

wherein the beam deflector (46 ') comprises a first, second, third and fourth prism (35a-d) with a triangular base area, wherein the first controllable surface (29a) comprising a first surface element (29a ^ and a second surface element (29a 2 ) is formed, wherein the second controllable surface (29e), a third surface element (29e ^ and a fourth surface element (29e comprising 2 ) is formed, wherein each of the first to fourth surface elements (29ai, 29a 2 , 29e and 29e 2 ) at a prism surface of a prism is arranged to fourth (35a-d) of the first, and the prisms (35a-d) are arranged so that the first and second area- element (29a-29a ,, 2 ) the first controllable surface (29a) form and the third and fourth surface element (29e ! , 29e 2 ) the second controllable surface form (29e).

The method (100) for providing a Multiaperturabbildungsvorrichtung comprising the steps of:

Providing (1 1 10) of an image sensor;

Providing (1 120), so that each optical channel has an optical system for imaging at least a portion comprises an array of optical channels of a total field of view to an image sensor portion of the image sensor;

Arranging (1130) a beam deflecting device, so that each optical channel is associated with a beam-deflecting element comprising at least a controllable surface for deflecting an optical path of an optical channel a beam-deflecting element;

so that the beam-deflecting element is adapted to based on a first electrical control to have a transparent state to a controllable surface and based on a second electric drive have a reflective state of controllable surface, to redirect the beam path.

The method (100) for providing a Multiaperturabbildungsvorrichtung comprising the steps of:

Providing (1 1 10) of an image sensor;

Providing (1 120), so that each optical channel has an optical system for imaging at least a portion comprises an array of optical channels of a total field of view to an image sensor portion of the image sensor;

Arranging (1130) a beam deflecting device, so that each optical channel is associated with a beam-deflecting element comprising at least a controllable surface for deflecting an optical path of an optical channel a beam-deflecting element;

so that the beam-deflecting element is adapted to based on a first electrical control to have a transparent state to a controllable surface and based on a second electric drive have a reflective state of controllable surface, to redirect the beam path;

so that the controllable surface (29a-d) a first controllable surface (29a), wherein the beam deflector comprises a second controllable surface (29e), which are controllable in the transparent state and the reflective state, wherein the first and the second controllable surface (29a, 29e) (a) are arranged at least 10 ° and at most 170 ° with each other at an angle; and

so that the beam deflection element (46 ') a first, second, third and fourth prism (35a-d) having a triangular base area, wherein the first controllable surface (29a) comprising a first surface element (298 ^ and a second surface element (29a 2 is formed), the second controllable surface (29e), a third surface element comprising (29βι) and a fourth surface element (29e 2 ) is formed, wherein each of the first to fourth surface elements (29a ? , 29a 2 , 29β, 29e 2 ) one of the first on a surface of the prism through fourth prism (35a-d) is arranged, and the prisms (35a-d) are arranged such that the first and second surface element (29a ? , 29a 2 ), the first controllable surface form (29a) and the third and fourth surface element (29ei, 29e 2 ) the second controllable surface (29e) form.