An image acquisition apparatus includes a color filter on which a plurality of types of color filter elements are arranged, an optical path modulation optical element configured to shift an incident position of an image on the color filter by electrically modulating an optical path of the image, and a photoelectric conversion cell array configured to acquire image information for each color by detecting, in pixel units, light which has passed through the color filter. A color image is obtained by acquiring, in a time division manner, the image information for each color of the image of which a position is changed by the optical path modulation optical element by using a detection signal of the photoelectric conversion cell array, and combining the acquired image information for each color.

The present invention relates to a lens device (1), comprising: a transparent and elastically expandable membrane (10), an optical element (20) opposing the membrane (10), a wall member (300), wherein the optical element (10) and the membrane (10) are connected to the wall member (300) such that a volume (V) is formed, a fluid (F) residing in said volume (V), and a lens shaping member (11) attached to the membrane (10). According to the invention the lens device (1) comprises an actuator means (40) that is designed to move the optical element (20) in an axial direction (A) with respect to the lens shaping member (11) so as to adjust the pressure of the fluid (F) residing inside the volume (V) and therewith a curvature of said membrane (10), wherein said axial direction (A) is oriented perpendicular to a plane spanned by the lens shaping member (11), and wherein said actuator means (40) is designed to tilt the optical element (20) with respect to said plane, particularly so as to form the volume into a prism for deflecting light passing the volume. Further, the invention relates to a method for adjusting a lens device (1) and for image stabilization.

The present invention relates to a lens device (1), comprising: a transparent and elastically expandable membrane (10), an optical element (20) opposing the membrane (10), a wall member (300), wherein the optical element (10) and the membrane (10) are connected to the wall member (300) such that a volume (V) is formed, a fluid (F) residing in said volume (V), and a lens shaping member (11) attached to the membrane (10). According to the invention the lens device (1) comprises an actuator means (40) that is designed to move the optical element (20) in an axial direction (A) with respect to the lens shaping member (11) so as to adjust the pressure of the fluid (F) residing inside the volume (V) and therewith a curvature of said membrane (10), wherein said axial direction (A) is oriented perpendicular to a plane spanned by the lens shaping member (11), and wherein said actuator means (40) is designed to tilt the optical element (20) with respect to said plane, particularly so as to form the volume into a prism for deflecting light passing the volume. Further, the invention relates to a method for adjusting a lens device (1) and for image stabilization.

In one embodiment, a selective plane illumination microscopy system for capturing light emitted by an illuminated specimen, the system including a specimen support having a top surface configured to support a specimen holder and an opening configured to provide access to a bottom of the specimen holder, and a selective plane illumination microscopy optical system positioned beneath the specimen support, the optical system configured to illuminate the specimen with a sheet of excitation light and including an excitation objective, a detection objective, and an open-top, hollow imaging element that is configured to contain a liquid, wherein the imaging element is positioned within the opening of the specimen support and optical axes of the objectives are aligned with the imaging element such that the axes pass through the imaging element and intersect at a position near the top surface of the specimen support.

In one embodiment, a selective plane illumination microscopy system for capturing light emitted by an illuminated specimen, the system including a specimen support having a top surface configured to support a specimen holder and an opening configured to provide access to a bottom of the specimen holder, and a selective plane illumination microscopy optical system positioned beneath the specimen support, the optical system configured to illuminate the specimen with a sheet of excitation light and including an excitation objective, a detection objective, and an open-top, hollow imaging element that is configured to contain a liquid, wherein the imaging element is positioned within the opening of the specimen support and optical axes of the objectives are aligned with the imaging element such that the axes pass through the imaging element and intersect at a position near the top surface of the specimen support.

A two-piece optical prism includes a prism having a groove and prism having arc faces, where the prism having a groove has at least one first arc face and groove having at least one second arc face, and the prism having arc faces is placed in the groove of the prism having a groove and has at least one third arc face. The present invention can be used in the surface plasmon resonance optical system for the angle, range adjustment and control of incident light (e.g. laser light), capable of constituting an optical wide-angle, multi-angle incident system to carry out the wide-angle, multi-angle scanning detection of surface plasmon resonance, increasing the system dynamic detection range and sensitivity; and further reducing a detection chip.

The invention relates Tunable prism (1) for optical image stabilization, comprising the components: A container (2) that comprises a membrane (6) comprising at least a transparent portion, the container (2) further comprising a transparent rigid bottom portion (5) facing the membrane (6), wherein the membrane (6) is connected to the bottom portion (5), and wherein the container (2) encloses a volume (7) that is filled with a transparent fluid (3); A transparent window (8) arranged on the membrane (6), wherein the membrane (6) comprises a deformable portion (6a) extending around an outer edge (8a) of the window (8), such that the window (8) can be tilted around a first and/or a second axis (201, 202) with respect to the bottom portion (5). The invention further relates to an imaging system (50) comprising the tunable prism (1).

The invention relates Tunable prism (1) for optical image stabilization, comprising the components: A container (2) that comprises a membrane (6) comprising at least a transparent portion, the container (2) further comprising a transparent rigid bottom portion (5) facing the membrane (6), wherein the membrane (6) is connected to the bottom portion (5), and wherein the container (2) encloses a volume (7) that is filled with a transparent fluid (3); A transparent window (8) arranged on the membrane (6), wherein the membrane (6) comprises a deformable portion (6a) extending around an outer edge (8a) of the window (8), such that the window (8) can be tilted around a first and/or a second axis (201, 202) with respect to the bottom portion (5). The invention further relates to an imaging system (50) comprising the tunable prism (1).

An embodiment relates to a camera actuator and a camera module including same. The camera actuator according to the embodiment can includes a base; a lens assembly arranged on the base; a guide pin coupled to the base and guiding the lens assembly; a body coupled to the base; a cover coupled to the body; a base pin coupling part arranged on the base and coupled to one side of the guide pin; a cover pin coupling part arranged on the cover and coupled to the other side of the guide pin; and a pin guide part which is arranged on the lens assembly and which guides the guide pin. In the embodiment, the base pin coupling part can include a first coupling groove, the cover pin coupling part can include a first groove, and the pin guide part can include a first hole and a second hole having a size different from that of the first hole.

The invention relates to a lens, comprising a container (100) defining a volume (V) which is filled with a transparent liquid (2), wherein the container (10) comprises a transparent and elastically deformable membrane (20) and a rigid member (30), wherein the membrane (20) and the rigid member (30) delimit said volume (V), and a lens shaping element (200) that contacts the membrane (20) and defines an area (21) of said membrane (20), which area (21) has an adjustable curvature for adjusting the focal length of the lens (1). According to the invention, the lens (1) is configured to compensate a thermal expansion of the liquid (2) and/or a change of the refractive index of the liquid (2) due to an increased temperature of the liquid (2) in order to reduce an unwanted thermally induced change of the focal length of the lens (1).