Abstract: One embodiment provides a lens driving motor, comprising: a mover including a bobbin for fixing a lens, and magnets disposed on the bobbin; a stator comprising a first coil and a second coil arranged to correspond to the respective magnets, a housing including an upper surface with an open center and a support part having an outer surface on which the first coil is disposed, a base which supports the housing and has a through hole formed in the center thereof to correspond to the lens, and a substrate disposed on an upper surface of the base so as to apply power to the second coil; and a hall sensor disposed at a position facing the magnets so as to sense a phase of the mover.

Abstract: A lens driving device, a camera module, and a camera-mounted device are provided, which are capable of reducing the effect of external magnetism and of being reduced in size and profile thereof. The lens driving device includes an AF driving part configured to move, with respect to an AF fixing part, an AF movable part in a Z-direction extending along an optical axis, and an OIS driving part configured to move, with respect to an OIS fixing part, an OIS movable part in an X-direction and a Y direction each orthogonal to optical axis. The OIS driving part and the AF driving part are each composed of an ultrasonic motor. In a rectangle defined by two sides where the OIS driving part is disposed, the AF driving part is disposed along a side different from the two sides.

Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover on which an optical member sits and which is disposed inside the housing; a ball part including a first ball and a second ball and disposed between the housing and the mover; and a driving unit that is disposed inside the housing to drive the mover, wherein the mover includes a first protrusion extending toward the housing and including a recess. The recess includes: a side surface on which the ball part sits and on which at least a portion of the recess is spaced apart from the ball part; and a bottom surface in contact with the side surface.

Abstract: A camera module may have an optical assembly, an image sensor, and a frame, where the frame includes a reinforcement member and a base member that collectively form a sidewall of the frame. The reinforcement member defines a portion of the sidewall of the frame, a peripheral edge, and an opening. The base member may define another portion of the sidewall and extend through the opening and surround the peripheral edge of the reinforcement member. The optical assembly may be coupled to the sidewall of the frame.

Abstract: A sensor-stabilization assembly includes: a housing including a first portion of a first electromagnetic assembly and of a second electromagnetic assembly and defining a housing aperture; a first frame having first guides that permit relative motion between the first frame and the housing and defining a first frame aperture; and a second frame having second guides that permit relative motion between the second frame and the first frame. The second frame includes: a second portion of the first electromagnetic assembly adapted to interact with the first portion to cause the first frame and second frame to move relative to the housing; and a second portion of the second electromagnetic assembly adapted to interact with the first portion to cause the second frame to move relative to the first frame and housing. A sensor is coupled to the second frame to capture light through the housing aperture and first frame aperture.

Abstract: The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing; a magnet disposed in the housing; a first coil which is disposed in the bobbin, and is opposite to the magnet; a base disposed on the lower side of the housing; a substrate portion comprising a body portion, which is disposed on the upper surface of the base, and a terminal portion extending toward the lower side of the body portion; a terminal portion accommodating portion which is formed on a side surface of the base and accommodates at least a part of the terminal portion; and an adhesive accommodating groove which is formed in the terminal portion accommodating portion and accommodates at least a part of an adhesive contacting the terminal portion and the terminal portion accommodating portion.

Abstract: An optical imaging system includes: a first lens having positive refractive power, a second lens having negative refractive power, a third lens having negative refractive power, a fourth lens having refractive power, a fifth lens having refractive power, and an image sensor on an image side of the fifth lens such that the fifth lens is most adjacent to the image sensor. The first to fifth lenses are sequentially disposed from an object side to an image side of the optical imaging system and the optical imaging system includes a total of five lenses. The optical imaging system satisfies 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of the image sensor, and BFL is a distance from an image-side surface of the fifth lens to the imaging plane of the image sensor.

Abstract: The embodiment relates to an image stabilization device and a camera module including the same. The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part. The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.

Abstract: One embodiment of a lens driving device comprises: a housing supporting a first magnet; a bobbin provided on the inside of the first magnet, provided with a first coil on an outer peripheral surface thereof, and moving within the housing; a base disposed at the bottom of the bobbin; an upper elastic member provided at the top of the bobbin; and a supporting member disposed on a side surface of the housing, and having the bottom thereof coupled to the base, wherein a portion of the top of the supporting member may be coupled to the upper elastic member.

Abstract: An optical system (10) includes, successively from an object side to an image side, a first lens unit (110) having a positive refractive power, a second lens unit (120) having a negative refractive power, a third lens unit (130) and a fourth lens unit (140) having a positive refractive power; the positions of the first lens unit (110) and the fourth lens unit (140) are fixed with respect to the imaging surface (S17) of the optical system (10), and the second lens unit (120) and the third lens unit (130) are movable with respect to the first lens unit (110) in the optical axis direction of the optical system (10); when the optical system is zoomed from the short focal end to the long focal end, a distance between the first lens unit (110) and the second lens unit (120) and the distance between the third lens unit (130) and the fourth lens unit (140) increase.

Abstract: A camera module is provided. A camera module according to an aspect of the present invention comprises: a stator; a mover arranged in the stator; a first driver arranged on the stator; a second driver arranged on the mover and facing the first driver; a stiffener including an external portion coupled to the stator, an internal portion coupled to the mover, and a connector for connecting the external portion to the internal portion; a substrate coupled to the stator and the mover, and arranged on the stiffener; and a lens module coupled to the substrate.

Abstract: In an optical unit with a shake correction function, a first circuit board, which is pulled out from a camera module, and a second circuit board, on which a first drive coil and a second drive coil are mounted, are electrically connected by a first connection portion and a second connection portion, which are electrically connected while overlapping each other. Moreover, in the optical unit with a shake correction function, a drawer portion of the first circuit board is pulled out toward an outer peripheral side of the optical unit with a shake correction function.

Abstract: The present embodiment relates to a camera module comprising: a bobbin, which has a through-hole formed therein; a lens module, which is accommodated in the through-hole and is coupled to the bobbin; a protrusion formed to protrude from the outer peripheral surface of the lens module; and a recess formed to be recessed from the inner peripheral surface of the bobbin so as to accommodate at least a part of the protrusion, wherein the recess comprises a first guide portion, which extends downwards from the upper end of the bobbin, and a second guide portion, which extends so as to slope from the first guide portion.

Abstract: An optical unit with a shake correction function includes a movable module and a fixed body. The movable module has a lens and is supported by the fixed body to be capable of moving in a direction orthogonal to an optical axis of the lens. The fixed body surrounds the movable module from an outer periphery side. The movable module includes a first substrate and a second substrate, with a thickness direction of either substrate being consistent with the direction along the optical axis. An image sensor is disposed on the first substrate. The second substrate is electrically connected to the first substrate to overlap the first substrate on an image side, and is smaller in shape than the first substrate when viewed along the optical axis of the lens. A flexible printed circuit board is led out from an outer circumferential surface of the second substrate.

Abstract: An optical element drive mechanism is provided. The optical element drive mechanism includes an immovable part, a movable part, and a drive assembly. The movable part is connected to an optical element that includes an optical axis. The movable part is movable relative to the immovable part. The drive assembly drives the movable part to move relative to the immovable part.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, a third lens unit having a negative refractive power, a fourth lens unit having a negative refractive power, and a rear lens unit having a positive refractive power and disposed closest to an image plane. During zooming from a wide-angle end to a telephoto end, the second lens unit moves to the object side, and each distance between adjacent lens units changes. A predetermined condition is satisfied.

Abstract: An embodiment comprises: a housing; a bobbin arranged in the housing; a first coil arranged at a first side part of the bobbin; a second coil arranged at a second side part positioned on the side opposite to the first side part of the bobbin; a first magnet facing the first coil and arranged in the housing; a second magnet facing the second coil and arranged in the housing; a first elastic member coupled to the bobbin; a second elastic member comprising a first elastic unit and a second elastic unit coupled to the bobbin; and a circuit board arranged in the housing and having first and second terminals, wherein one end of the first coil is coupled to one area of the first elastic member and the other end of the first coil is coupled to the first elastic unit, one end of the second coil is coupled to another one area of the first elastic member and the other end of the second coil is coupled to the second elastic unit, the first elastic unit is connected to the first terminal of the circuit board, and the seco

Abstract: An embodiment comprises: a lens barrel moving in the direction of the optical axis; a holder disposed below the lens barrel and having a seating portion recessed in the top surface thereof; a filter disposed on the bottom surface of the seating portion of the holder; a blocking member disposed on the upper surface of the filter; and an image sensor disposed below the filter, wherein the seating portion includes an inner side surface facing the side surface of the filter, the inner side surface of the seating portion includes a first surface and a second surface located below the first surface, the separation distance from the first surface to the side surface of the filter is greater than the separation distance from the second surface to the side surface of the filter, and the thickness of the filter is greater than the separation distance from the second surface to the side surface of the filter.

Abstract: A camera module includes: a magnet disposed on a lens module; a bearing member disposed in a ball guide portion formed between the lens module and a housing that accommodates the lens module; a coil disposed in the housing to face the magnet; and a yoke member disposed on the housing to interact with the magnet to generate a biased magnetic force.

Abstract: The present embodiment relates to a camera module comprising a first camera module and a second camera module, wherein the first camera module comprises first to third magnets disposed at first to third corners of a first cover and a first dummy member disposed at a fourth corner of the first cover, and the second camera module comprises fourth to sixth magnets disposed at fifth to seventh corners of a second cover and a second dummy member disposed at an eighth corner of the second cover, wherein the first dummy member is adjacent to the sixth magnet of the fourth to sixth magnets, and the second dummy member is adjacent to the third magnet of the first to third magnets.

Abstract: In some embodiments, a camera actuator includes an actuator base, an autofocus voice coil motor, and an optical image stabilization voice coil motor. In some embodiments, the autofocus voice coil motor includes a lens carrier mounting attachment moveably mounted to the actuator base, a plurality of shared magnets mounted to the base, and an autofocus coil fixedly mounted to the lens carrier mounting attachment for producing forces for moving a lens carrier in a direction of an optical axis of one or more lenses of the lens carrier. In some embodiments, the optical image stabilization voice coil motor includes an image sensor carrier moveably mounted to the actuator base, and optical image stabilization coils moveably mounted to the image sensor carrier within the magnetic fields of the shared magnets, for producing forces for moving the image sensor carrier in a plurality of directions orthogonal to the optical axis.

Abstract: An objective optical system which forms an observation optical system consists of, in order from the object, a first lens group that has positive refractive power, a second lens group that has positive or negative refractive power, and a third lens group that has negative refractive power. Focusing is performed by moving the second lens group along an optical axis, the third lens group is configured to move in a direction that is perpendicular to the optical axis to correct image blur, and the following conditional expression is satisfied: 0.70?f1/f12?1.50, where f1 denotes a focal length of the first lens group, and f12 denotes a combined focal length of the first lens group and the second lens group.

Abstract: An electronic device includes a camera module, wherein the camera module includes a lens assembly including lenses aligned along an optical axis, an actuator, a first magnet disposed on a first surface of the lens assembly, a first coil configured to move the lens assembly along the optical axis, a metal shield structure disposed on an outer surface of the actuator to face the first coil, and a fixing structure disposed on a third surface perpendicular to the first surface of the lens assembly, wherein at least a portion of the fixing structure has a magnetic property. When one end of the fixing structure is inserted into an opening of a housing, the fixing structure is fixed in an optical axis direction by the opening and is fixed in the first direction by a magnetic force acting on the metal shield structure.

Abstract: An image stabilization apparatus includes a movable member configured to hold an image stabilization optical element, a fixed member holding the movable member movably in a direction crossing an optical axis, an electrical element mounted on the movable member, and a flexible sheet member electrically connecting the electric element to the fixed member. The flexible sheet member is fixed to the movable member and the fixed member so that the flexible sheet member is bent between the movable member and the fixed member.

Abstract: A zoom lens consists of, in order from an object side to an image side: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; a fifth lens group having a negative refractive power; and a sixth lens group having a positive refractive power. During zooming from the wide angle end to the telephoto end, the distance between the adjacent lens groups in the optical axis direction changes, and the third lens group and the fifth lens group move integrally along the optical axis.

Abstract: Systems having a Wide/Ultra-Wide camera, a folded Tele camera with an optical path folding element and a Tele lens module, a lens actuator for moving the Tele lens module for focusing to object-lens distances between 3.0 cm and 35 cm with an object-to-image magnification between 1:5 and 25:1, and an application processor (AP), wherein the AP is configured to analyze image data from the UW camera to define a Tele capture strategy for a sequence of Macro images with a focal plane slightly shifted from one captured Macro image to another and to generate a new Macro image from this sequence, and wherein the focal plane and a depth of field of the new Macro image can be controlled continuously.

Abstract: A lens moving apparatus includes a bobbin including a first coil disposed therearound, a first magnet disposed to face the first coil, a housing for supporting the first magnet, upper and lower elastic members each coupled to both the bobbin and the housing, a base disposed to be spaced apart from the housing by a predetermined distance, a second coil disposed to face the first magnet, a printed circuit board on which the second coil is mounted, a plurality of support members, which support the housing such that the housing is movable in second and/or third directions and which connect at least one of the upper and lower elastic members to the printed circuit board, and a conductive member for conductively connecting the upper and lower elastic members.

Abstract: An optical system includes first and second lens units configured to move to have a component of direction perpendicular to an optical axis, in which a sign of an amount of movement of the lens units is defined as negative for a moving direction of the first lens unit and as positive for an opposite direction to the moving direction of the first lens unit, a product of an amount of movement and a focal length of the first lens unit and a product of an amount of movement and a focal length of the second lens unit are different from each other in sign, and Petzval sums of the first and second lens unit, a focal length of the optical system, and a back focus of the optical system are set.

Abstract: A camera device according to the present embodiment comprises: a first operation part comprising one of a first coil or a magnet and arranged on a fixed member; a second operation part which comprises the other one of the first coil and the magnet, is arranged on a movable member, and faces the first operation part; a hall sensor facing one of the first operation part and the second operation part; and a second coil arranged near the hall sensor, wherein at least a portion of the second coil is arranged between the hall sensor and the first coil.

Abstract: Folded Tele cameras comprising an optical path folding element (OPFE) for folding a first optical path OP1 to a second optical path OP2, a lens including N=8 lens elements, the lens being divided into three lens groups numbered, in order from an object side of the lens, G1, G2 and G3, and an image sensor, wherein G1 and G3 are included in a single G13 carrier, wherein G2 is included in a G2 carrier, wherein both the G13 carrier and the G2 carrier include rails for defining the position of G2 relative to G13, wherein the Tele camera is configured to change a zoom factor continuously between a minimum zoom factor ZFMIN and a maximum zoom factor ZFMAX by moving the G2 carrier relative to the G13 carrier and by moving the G13 carrier relative to the image sensor, and wherein an effective focal length (EFL) is 7.5 mm<EFL<50 mm.

Abstract: A display device of the present disclosure includes an optical system, the optical system including an image light generation device configured to generate image light, a projection optical system including an optical element, the optical element including an optical surface asymmetric in a direction along at least a first axis of two axes orthogonal to each other and perpendicular to an optical axis of the image light, a support member configured to support the optical element, a first adjustment mechanism configured to adjust a position of the optical element in the direction along the first axis, and a second adjustment mechanism configured to adjust a position of an emission region of the image light in the direction along the first axis.

Abstract: An optical unit may include a movable body including an optical module, a fixed body which holds the movable body in a movable state, a gimbal mechanism including a first support part which swingably supports the movable body around a first axial line intersecting an optical axis direction of the optical module, and a second support part which is swingably supported by a member of the fixed body around a second axial line intersecting the optical axis direction and a direction of the first axial line, and a shake correction drive mechanism structured to drive the movable body around the first axial line and around the second axial line.

Abstract: Disclosed is an electronic device including a camera module enabling a movable member (e.g., a circuit board) having an image sensor disposed thereon to move for an image stabilization function and including a connecting member that provides electrical connection of the image sensor, and an electronic device including the camera module.

Abstract: A lens driving device is provided, the lens driving device includes: a housing; a bobbin disposed inside of the housing; a support member coupled to the bobbin and the housing; and a sensor sensing a position of at least one of the bobbin and the housing, wherein the support member may include a first support unit, and a second support unit disposed not parallel to the first support unit, wherein the sensor may be disposed more adjacent to the first support unit than to the second support unit, and wherein an elastic modulus of the first support unit may be lower than an elastic modulus of the second support unit.

Abstract: Various embodiments include a camera with folded optics and lens shifting capabilities. Some embodiments include voice coil motor (VCM) actuator arrangements to provide autofocus (AF) and/or optical image stabilization (OIS) movement. Some embodiments include suspension arrangements.

Abstract: An embodiment comprises: a housing; a bobbin, disposed in the housing, for mounting a lens; a first coil arranged on an outer circumferential surface of the bobbin; a magnet arranged in the housing; a second coil arranged in the housing; and a magnetic member, which is attached to the second coil and increases the strength of an induction voltage induced to the second coil by means of an interaction according to a movement of the first coil.

Abstract: The disclosure provides a projection lens module and a projector having the projection lens module, which may effectively suppress the shaking of the projection lens. The projection lens module includes two casings, a projection lens and a carrier structure. The projection lens is disposed between the two casings. The carrier structure includes a bracket, at least one screwing member, and two buffer members. The bracket has at least one aperture, and the screwing member passes through the aperture to lock the bracket to the projection lens. A diameter of the aperture in a first direction is greater than a diameter of the aperture in a second direction perpendicular to the first direction. The two buffer members are respectively disposed on opposite ends of the bracket and lean against the two casings in the first direction, respectively.

Abstract: An actuator for optical image stabilization, includes a fixed frame having an internal space; a moving frame, accommodated in the internal space, configured to linearly and rotatably move on a plane perpendicular to an optical axis; a first ball member disposed between the fixed frame and the moving frame; a first driver, disposed on the moving frame and the fixed frame, configured to provide a driving force to the moving frame; a plurality of magnetic bodies disposed on the fixed frame to generate attractive force with respect to the first driver disposed on the moving frame; a sensor substrate having a portion coupled to the moving frame to be movable, together with the moving frame, and another portion coupled to the fixed frame; and an image sensor disposed on the portion of the sensor substrate.

Abstract: A camera module is provided. The camera module includes a housing; a first frame, provided in the housing; and a second frame, provided on the first frame and including a lens module, wherein the lens module is configured to rotate together with the second frame about a first axis and a second axis, intersecting an optical axis, and , wherein the first frame and the second frame are configured to be supported on a surface that is parallel to the optical axis.

Abstract: A voice coil motor device includes a fixed component and a movable component. The movable component holds a lens. The movable component is accommodated in the fixed component. The fixed component includes a housing and a base. The housing defines a first hole and includes first side walls. The base defines a second hole. Centers of the first hole and the second hole are on an optical axis. The movable component is accommodated in the housing. The first hole receives the lens. One end of the movable component is received in the second hole of the base. The first side walls of the housing define a plurality of positioning holes, and the base includes a plurality of positioning posts. Each of the positioning posts is embedded in a corresponding one of the positioning holes.

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.

Abstract: An optical unit includes an optical element, a holder, a support portion, a swing mechanism, and an elastic portion. The optical element changes the traveling direction of light. The holder holds the optical element. The support portion supports the holder swingably about a swing axis. The swing mechanism swings the holder with respect to the support portion about the swing axis. The elastic portion connects the holder and the support portion. The support portion has a pair of side surface portions on both sides of the holder along the swing axis, and a connection portion connecting the side surface portions with the elastic portion between the holder and the side surface portions. The elastic portion has a convex or concave portion that comes into contact with a concave or convex portion of at least one of the holder and the support portion.

Abstract: The present disclosure provides a camera optical lens including eight lenses which are, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens having a positive refractive power, a seventh lens having a negative refractive power, and an eighth lens having a negative refractive power; the camera optical lens satisfies conditions of: 0.95?f/TTL; 3.00?f2/f?5.00; and 3.50?(R9+R10)/(R9?R10)?30.00. The camera optical lens can achieve good optical performance while meeting the design requirements for large aperture, long focal length and ultra-thinness.

Abstract: A camera module includes: a housing; a carrier disposed to oppose the housing in a first direction and to move in a second direction perpendicular to the first direction; and a ball member disposed between opposing surfaces of the carrier and the housing. The housing is in contact with the ball member at a first point, and the carrier is in contact with the ball member at a second point, A distance in the first direction from a center of the ball member to the first point is greater than a distance in the first direction from a center of the ball member to the second point.

Abstract: The invention relates to an inspection device for masks for semiconductor lithography, comprising an imaging device for imaging a mask, and an image recording device, wherein one or more correction bodies which exhibit a dispersive behavior for at least one subrange of the illumination radiation used for the imaging are arranged in the light path between the mask and the image recording device. The invention furthermore relates to a method for taking account of longitudinal chromatic aberrations in inspection devices for masks, comprising the following steps: recording a specific number of images having differently defocused positions, and selecting a subset of the images and simulating a longitudinal chromatic aberration of a projection exposure apparatus.

Abstract: An optical imaging system includes a reflective member having a reflective surface for changing an optical path of light, a first lens having positive refractive power, a second lens having negative refractive power, a third lens, a fourth lens, and a fifth lens. The first lens to the fifth lens are sequentially disposed along an optical axis from an object side and are each disposed closer to an image sensor than the reflective member. The optical imaging system satisfies 0.2 mm<C1.0<0.3 mm, where C1.0 is a distance by which the image sensor moves in a direction perpendicular to the optical axis with respect to a shake amount of 1.0° measured by a shake detection unit.

Abstract: Various embodiments include an interlock arrangement that may be used to attach a lens barrel to a lens carrier of a camera. In some embodiments, the interlock arrangement may restrict movement of the lens barrel relative to the lens carrier along at least an optical axis. In various examples, the interlock arrangement may include one or more grooves and one or more protrusions. For instance, a groove may be defined by the lens barrel or the lens carrier, and a protrusion may extend from the lens barrel or the lens carrier to at least partially into the groove. In some cases, the interlock arrangement may include an adhesive that at least partially fills gaps within the interlock arrangement between the lens barrel and the lens carrier. According to some embodiments, the interlock arrangement may include one or more recesses that provide inlets for the adhesive to be introduced to the gaps within the interlock arrangement.

Abstract: A zoom lens according to the present invention includes, in order from an object side to an image side, first to third lens units with positive, negative and positive refractive powers, and a rear group including two or more lens units, in which an interval between adjacent lens units is varied during zooming. The zoom lens includes a correction lens unit which has a function of moving an imaging position in a direction perpendicular to an optical axis. The correction lens unit includes, in order from the object side to the image side, a positive first subunit, a positive second subunit which moves in a direction having a component of the direction perpendicular to the optical axis, and a negative third subunit. Focal lengths of the zoom lens when focused at infinity at a wide angle end and the correction lens unit are appropriately set.

Abstract: A lens moving apparatus, according to one embodiment, comprises: a bobbin having a first coil installed on the outer circumferential surface thereof; a location detection sensor equipped to the bobbin; a housing in which the bobbin is provided; an upper elastic member disposed on the upper side of the housing; and a support member that supports the housing such that the housing can move in a second or third direction that is perpendicular to a first direction, wherein the upper elastic member is divided into a plurality of parts, at least two of which are disposed parallel to each other on the x-y plane in the second or third direction and are disposed such that end portions thereof face each other.

Abstract: An optical system includes a first optical element having a first reflective surface concave toward an object side, a second optical element having a second reflective surface convex toward an image side, and a lens unit disposed between the first optical element and the second optical element. Light from an object travels to an image plane through the first reflective surface and the second reflective surface in this order. A movable unit configured to move during image stabilizing includes at least one of the second optical element and the lens unit.