Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power. Each lens unit moves so that a distance between adjacent lens units changes during zooming. The third lens unit includes a positive lens G3i closest to the image side which has a concave meniscus surface on an image side. A conditional expression 0.03<R3i2/ft<0.25 is satisfied where R3i2 is a radius of curvature of a lens surface on the image side of the positive lens G3i, and ft is a focal length of the overall system at a telephoto end.

Abstract: A lens apparatus is electrically connected to a support apparatus including a detecting unit that detects displacement information corresponding to pan or tilt. The lens apparatus includes a converter configured to convert the displacement information into control information; an image stabilization unit configured to perform image stabilization by using the control information; and a format transmitting unit configured to transmit a signal used for discriminating a format of the displacement information to the converter. The converter uses the signal transmitted from the format transmitting unit to convert the displacement information into the control information.

Abstract: A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group and a positive fourth lens group, in that order from the object side. Upon zooming from the short focal length extremity to the long focal length extremity, at least the first through third lens groups move along the optical axis direction in a manner so that the distance between the first lens group and the second lens group increases, the distance between the second lens group and the third lens group decreases, and the distance between the third lens group and the fourth lens group increases, wherein the amount of movement of the first lens group during zooming is larger than that of the third lens group.

Abstract: The zoom lens includes a front unit including a first positive lens unit and a second positive or negative lens unit, a reflective mirror and a rear unit including two or more lens units. During zooming, the reflective mirror is not moved, and the first lens unit and at least two lens units of the rear unit are moved. When the zoom lens is retracted into a body of an image pickup apparatus, at least one of rotation of the reflective mirror such that a normal line thereto is brought closer to parallel to an optical axis of the rear unit and axial movement thereof in a direction of the optical axis of the rear unit is performed. The front unit is moved into a space formed by the at least one of the rotation and the axial movement. Conditions of 10.5<ft/|fn|<30.0 and 0.80<(Lf?L)/Lm<1.

Abstract: A zoom lens includes a first lens unit, a magnification-varying system including at least a second lens unit and a third lens unit, and a fourth lens unit. The fourth lens first unit has a first lens subunit having a negative refractive power, a second lens subunit having a negative refractive power, and a third lens subunit having a positive refractive power. The fourth lens unit satisfies the following conditional expression: 1.2<f41/f42<3.5, where f41 represents a focal length of the first lens subunit, and f42 represents a focal length of the second lens subunit.

Abstract: During zooming from the wide angle end to the telephoto end, a first lens unit having a positive refractive power is fixed, a second lens unit having a negative refractive power moves toward the image side, a third lens unit having a positive refractive power moves toward the object side, a fourth lens having a negative refractive power unit moves, and a fifth lens unit having a positive refractive power is fixed. The first lens unit includes a reflecting member that bends the optical path by 90 degrees. The entirety of or at least a part of the fifth lens unit is shifted in directions transverse to the optical axis to stabilize a picked-up image when the optical system vibrates. The zoom lens satisfies the predetermined expressions.

Abstract: A zoom lens includes, in order from an object side to an image side, first to third lens units having negative, positive, and negative refractive power, respectively, and a rear lens group including a plurality of lens units and having overall positive refractive power, a distance between every adjacent lens unit included in the zoom lens is variable during zooming. The second lens unit moves in a direction nonparallel to an optical axis during image shake correction, the third lens unit moves in an optical axis direction during focusing, each of the second and third lens units consists of a single lens element, and a focal length of the entire zoom lens at a wide-angle end, a focal length of the second lens unit, and a focal length of the third lens unit are appropriately set.

Abstract: A zoom lens includes, in order from an object side to an image side, first to fourth lens units having negative, positive, negative, and positive refractive power, respectively. Each lens unit moves during zooming so that a distance between the first lens unit and the second lens unit at the telephoto end is shorter than at the wide-angle end and a distance between the second lens unit and the third lens unit and a distance between the third lens unit and the fourth lens unit at the telephoto end are larger than those at the wide-angle end. A focal length of the third and fourth lens units, a focal length of the entire zoom lens at the wide-angle end, a focal length of the entire zoom lens at the telephoto end, and a sum of axial thicknesses of the first to fourth lens units are appropriately set.

Abstract: An inner focus lens system comprising a first lens unit and subsequent lens units, wherein an aperture diaphragm is provided, the first lens unit is: fixed with respect to an image surface in focusing; and composed of five or more lens elements including a first positive lens element located closest to the object side and a second positive lens element, the subsequent lens units include at least a first focusing lens unit located closest to the object side and a second focusing lens unit, at least one of the first focusing lens unit and the second focusing lens unit is composed of two or less lens elements, at least one lens element is provided on the image side relative to the aperture diaphragm, and the condition: NF1?NF2 (NF1, NF2: the number of lens elements constituting the first, second focusing lens unit) is satisfied.

Abstract: An inner focus lens system comprising a first lens unit and subsequent lens units, wherein the first lens unit: is fixed with respect to an image surface in focusing; and includes a first positive lens element located closest to the object side and a second positive lens element, the subsequent lens units include only a first focusing lens unit located closest to the object side and a second focusing lens unit, at least one of the first focusing lens unit and the second focusing lens unit is composed of two or less lens elements, and the subsequent lens units include an image blur compensating lens unit.

Abstract: A zoom lens includes a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group including a first sub-lens group having a positive refractive power, an iris, and a second sub-lens group having a positive refractive power; and a fourth lens group having a positive refractive power, wherein the first to fourth lens groups are sequentially arranged from an object side to an image side, the distance between each of the first through fourth lens groups changes when zooming, the surface of the lens closest to the image side in the first sub-lens group is concave, the lens closest to the object side in the second sub-lens group is a meniscus lens concave towards the object side, and the lens located closest to the object side in the third lens group is an aspheric lens.

Abstract: A lens barrel includes first and second driving units configured to move first and second moving frames in an optical axis direction, and two correction driving sources configured to move the second moving frame in a direction perpendicular to an optical axis. Moving ranges in the optical axis direction of the first and second moving frames overlap with each other. The first and second moving frames are connected to a fixing portion of a fixed barrel by first and second flexible printed boards. One of the first and second driving units is located on a side of the optical axis opposite one of the second correction driving sources, and U-turn portions of the first and second flexible printed boards are located on a side of the optical axis opposite the other correction driving source, when viewed in the optical axis direction.

Abstract: An exemplary image stabilizer includes a shaking sensor, a control module, a driving module, an image module, and a data adjusting module. The shaking sensor detects a shake of a lens associated with the image stabilizer. The control module stores a shake correcting setting having one or more error ranges. The driving module is controlled by the control module to move the lens according to the shake correcting setting. The image module captures an image through the corrected lens. The data adjusting module adjusts the shake correcting setting within one or more of the error ranges when a resolution value of the captured image is lower than a preset reference value.

Abstract: The zoom lens includes in order from an object side to an image side where N represents an integer equal to or more than 5, a first lens unit, a second lens unit, an (N?2)-th lens unit, an (N?1)-th lens unit and an N-th lens unit respectively having positive, negative, positive, negative and positive refractive powers. The (N?1)-th lens unit includes an image stabilizing lens unit. The conditions of 0.01<BldN/TDw<0.09 and 2.0<fN/fw<8.0 are satisfied where BldN represents a length of the N-th lens unit on the optical axis, TDw represents a distance on the optical axis between a most object side lens surface and a most-image side lens surface at a wide-angle end, fw represents a focal length of the entire zoom lens at the wide-angle end, and fN represents a focal length of the N-th lens unit.

Abstract: A zoom lens system has a front lens group and a rear lens group along the optical axis and in order from the object side. The rear lens group has a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, and a third lens unit having a positive refracting power. Upon zooming from a wide-angle end state to a telephoto end state, a space between the front lens group and the first lens unit varies, a space between the first lens unit and the second lens unit increases, and a space between the second lens unit and the third lens unit decreases. At least a part of the second lens unit is movable so as to have a component in a direction perpendicular to the optical axis.

Abstract: Methods and apparatus for providing vibration compensation using position measurements are disclosed. According to one aspect of the present invention, a method of compensating for vibrations of an object includes obtaining a plurality of position measurements associated with the object. The method also includes processing the plurality of position measurements to determine a derivative acceleration, and determining a compensatory force to counteract the vibrations of the object. Determining the compensatory force includes using the derivative acceleration. Finally, the method includes applying the compensatory force to the object.

Abstract: Disclosed is a zoom lens that forms an optical image of an object on a light receiving surface of an imaging element converting the optical image to an electrical signal, having the diagonal length of 2Y max, is constituted by a positive first group, a negative second group, a negative third group, an aperture, and a rear group having positive power as a whole, in order from an object side, and satisfies a conditional expression 1.5<frw/Ymax<2.1 (frw denotes the combined focal length of the rear group on a wide end, and Ymax denotes the maximum image height).

Abstract: A lens system having, in order from an object, at least a first lens group G1 having positive refractive power, and second to fourth lens groups G2 to G4, wherein the first lens group G1 includes a front portion lens group G1a, and a rear portion lens group G1b which is disposed to an image side of the front portion lens group G1a with an air distance therebetween, and performs focusing by shifting the rear portion lens group G1b in the optical axis direction, and the fourth lens group G4 includes, in order from the object, a negative lens and a positive lens (cemented negative lens L41), a negative lens L42, and an aperture stop S, and is fixed in the optical axis direction with respect to an image plane I upon zooming from a wide angle end state to a telephoto end state.

Abstract: Introduced is an optical arrangement for varying an imaging ratio and/or a refractive power including at least one optical axis, having at least two optical elements, which can be pivoted into and/or pivoted to and/or switched into and/or switched to the optical path, which encompass in each case a refractive power and an optical axis and the optical axes of which can in each case be made to be substantially congruent with the optical axis of the arrangement or are substantially congruent with the optical axis of the arrangement. The optical path between the optical elements, which can be pivoted into and/or pivoted to and/or switched into and/or switched to, undergoes at least one change in direction and/or vergence.

Abstract: A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having positive optical power; a fourth lens unit having negative optical power, and a subsequent lens unit, wherein the first lens unit comprises a negative lens element having negative optical power, and a positive lens element having positive optical power, and wherein the conditions: 1.47<nd2<1.57 and 60<?d2<75 (nd2: a refractive index to a d-line of the positive lens element, ?d2: an Abbe number to a d-line of the positive lens element) are satisfied.

Abstract: There is provided a zoom lens including a first lens group having negative refractive power, a second lens group having positive refractive power, a third lens group having negative refractive power, and a fourth lens group having positive refractive power, the lens groups being arranged in order from an object side to an image side. The second lens group includes a front group having positive refractive power, and a rear group having positive refractive power, the front and rear groups being arranged in order from the object side to the image side. The front group includes a positive lens, a positive lens, a negative lens, and a positive lens, the lenses being arranged in order from the object side to the image side. The rear group includes at least one positive lens.

Abstract: A camera module (50) having a function of compensating for hand shake includes: suspension wires (16) for supporting an intermediate supporting member (13); AF springs (12a) for refraining stress to be applied to the suspension wires (16); and damper members (11) for causing a reduction in vibrations of the AF springs (12a).

Abstract: Disclosed herein is an image photographing device having a function for compensating hand vibration. The image photographing device having a function for compensating hand vibration includes: an optical unit; a magnet combined with an outer peripheral surface of the optical unit; a housing inserted with the optical unit and the magnet and having coils disposed at a position corresponding to the magnet; suspension wires arranged at four corners of the optical unit, having the upper end portions and the lower end portions each combined with the optical unit and the housing to support the optical unit in a state floated from the bottom surface of the housing, and having a predetermined bending part formed at any point; a flexible printed circuit board surrounding the outer peripheral surface of the housing and applying current to the coils; and a substrate having the image sensor mounted on the top surface thereof and combined with the lower portion of the housing.

Abstract: A zoom lens system comprising a plurality of movable lens units which individually move along an optical axis at the time of zooming from a wide-angle limit to a telephoto limit during image taking, wherein at least two of the movable lens units are focusing lens units which move along the optical axis at the time of focusing from an infinity in-focus condition to a close-object in-focus condition in at least one zooming position, and among the focusing lens units, a lens unit having the absolute value, which is not the greatest absolute value, of a wobbling value at a wide-angle limit is a wobbling lens unit which senses a moving direction of the focusing lens units at the time of focusing by wobbling itself in a direction along the optical axis; an interchangeable lens apparatus; and a camera system are provided.

Abstract: A lens mechanism and a device using the same are provided. The lens mechanism has an optical axis and comprises a zoom module, a focus module and a focusing lens group. The zoom module performs an optical compensation. The focus module comprises a rotatable arm. The focusing lens group is disposed on the rotatable arm, wherein when the lens mechanism is in a stand-by state, the focusing lens group is located at the optical axis; when the lens mechanism is in a close-end, the focusing lens group is away from the optical axis.

Abstract: Provided is an image blur correction apparatus including a lens unit configured to include at least one lens, and configured to be turnable in two different directions using, as supporting points, two axes that are orthogonal to an outer housing, a fixed member configured to turnably support the lens unit in the two directions, a first drive unit configured to be attached to the fixed member, and configured to turn the lens unit in one of the two directions, and a second drive unit configured to be attached to the fixed member, and configured to turn the lens unit in another of the two directions.

Abstract: Provided is an image blur correction apparatus including a lens unit configured to include at least one lens and configured to be turnable in two different directions using, as supporting points, two axes that are orthogonal to an outer housing, a fixed member configured to turnably support the lens unit in the two directions, a first drive motor configured to be mounted on the fixed member and configured to turn the lens unit in one of the two directions, a second drive motor configured to be mounted on the fixed member and configured to turn the lens unit in another of the two directions, and a coupling member configured to be coupled to the first drive motor and the second drive motor and configured to include a coupling portion.

Abstract: Provided is an image blur correction apparatus including a lens unit that configured to include at least one lens, and configured to turnable in a first direction which is a direction about a first supporting axis that is orthogonal to a light axis of the lens with respect to an outer housing, and in a second direction which is a direction about a second supporting axis that is orthogonal to the light axis and the first supporting axis, a fixed member configured to turnably support the lens unit in the first direction and the second direction, a first drive unit configured to turn the lens unit in the first direction, and a second drive unit configured to turn the lens unit in the second direction.

Abstract: Provided is an image blur correction apparatus including a lens unit configured to include at least one lens and configured to be turnable in a first direction which is a direction about a first supporting axis that is orthogonal to a light axis of the lens with respect to an outer housing, and in a second direction which is a direction about a second supporting axis that is orthogonal to the light axis and the first supporting axis, a fixed member configured to be arranged on an outer periphery side of the lens unit and configured to turnably support the lens unit in the first direction and the second direction, a first drive unit configured to turn the lens unit in the first direction, and a second drive unit configured to turn the lens unit in the second direction.

Abstract: A lens driving apparatus comprises a lens portion having at least one lens (21), a first driving portion (39) to cause a movement of said lens portion relatively to a base portion (40) along a vertical direction of a light axis (L) of said lens portion, and a second driving portion (38) to cause a movement of said lens portion relatively to said base portion along said light axis.

Abstract: The subject matter disclosed herein relates to electromagnetic force generation for an imaging device having a small form factor.

Abstract: An optical system (OL) includes a magnification conversion optical unit (EXT) configured to be insertable and removable at a position between an aperture stop (SP) and an image plane (IP) of the optical system in order to change a focal length of the optical system, a total lens length of the optical system is constant before and after insertion of the magnification conversion optical unit, and a length Lp on an optical axis from the aperture stop to the image plane of the optical system, and a length Le on the optical axis from a lens surface closest to an object side of the magnification conversion optical unit to the image plane when the magnification conversion optical unit is inserted are appropriately set.

Abstract: The optical apparatus includes a base member, a shift member holding an image stabilizing lens and movable in a direction orthogonal to an optical axis direction of the optical apparatus with respect to the base member, a biasing member biasing the shift member toward the base member in the optical axis direction, and an aperture stop unit disposed on a side opposite to the base member with respect to the shift member and adjusting an amount of light. The aperture stop unit includes a displacement preventing portion which makes contact with the shift member to prevent the shift member from being displaced toward the aperture stop unit.

Abstract: An image blurring correction device includes a correction member which moves in a direction perpendicular to the optical axis of an imaging optical system to correct blurring of an optical image, two driving units which drive the correction member in different directions, a shake detection unit which detects a shake applied to the image blurring correction device, a correction amount calculation unit which calculates, based on shake information detected by the shake detection unit, a correction amount for correcting blurring of the optical image, and a conversion unit which converts the correction amount to cancel a driving error generated by a rotation moment applied to the correction member. The driving units drive the correction member based on the correction amount converted by the conversion unit, correcting blurring of the optical image.

Abstract: The lens barrel has an image blur correction function for correcting an image blur, including: a movable member movable in a direction orthogonal to an optical axis while holding a lens and a driving magnet; and a fixed member for positioning the movable member in an optical axis direction and holding a driving coil and a magnetic member, in which: the driving magnet and the magnetic member constitute a driving portion for moving the movable member in the direction orthogonal to the optical axis; and in a plane orthogonal to the optical axis, a width of the magnetic member in a direction orthogonal to a direction of driving the movable member is larger than a width of the driving magnet in the direction orthogonal to the direction of driving the movable member.

Abstract: An image projecting apparatus includes an image display element, an optical system that projects an image displayed on the image display element onto a screen, an optical element that shifts in a direction perpendicular to an optical axis of the optical system, an adjusting mechanism that can shift the optical element in the direction perpendicular to the optical axis, and a holding member that fixes the optical element to a lens barrel, wherein a combined Abbe number vdch of materials of the optical element with respect to a d-line, a combined focal length fdch of the optical element with respect to the d-line, and the pixel pitch P of the image display element satisfy an appropriate condition.

Abstract: A shake correction apparatus comprises a shake detection unit which detects a shake of an image capture apparatus, a calculation unit which calculates a shake correction amount for correcting an image blur based on an output from the shake detection unit, a shake correction unit which corrects the image blur based on the shake correction amount, a shake level determination unit which determines a shake level of the image capture apparatus based on an output from the shake detection unit, an offset determination unit which determines an offset value based on the shake correction amount and the shake level, and a subtraction unit which subtracts the offset value from the output from the shake detection unit.

Abstract: A zoom lens includes first to fifth lens unit having negative, positive, positive, negative, and positive refractive powers, in an order from an object side to an image side, an interval of each lens unit is configured to be changed in zooming, the first lens unit, in order from the object side to the image side, consists of one or two negative lenses and one positive lens, the second lens unit consists of one lens component that moves to the image side in focusing on an object at an infinite distance to a short distance object, and an interval D23, combined focal lengths D23w, f23w, and f4Rw, and a length D2 are appropriately set.

Abstract: A piezoelectric actuator for driving a lens unit along an optical axis is disclosed. The piezoelectric actuator includes a fixed member, a movable member movably received in the fixed member, a magnet fixed on the fixed member, a metal sheet fixed on the movable member, a piezoelectric member and a circuit board. The movable member includes a contacting portion. The metal sheet is aligned with the magnetic along a direction substantially perpendicular to the optical axis. The metal sheet is made from a material that can be attracted by the magnet and lighter than the magnet. The piezoelectric member is fixed on the fixed member and contacts on the contacting portion of the movable member for driving the movable member to move along the optical axis. The circuit board provides voltages to the piezoelectric member.

Abstract: An image pickup apparatus which decreases the number of components to reduce man-hours for assembly. A base plate, which supports a lens holder in such a manner that the lens holder is movable in a direction perpendicular to an optical axis, has an engagement portion having an opening disposed in one direction around the optical axis. Movement of the lens holder in the direction of the optical axis is inhibited by engagement between part of the lens holder and the engagement portion. A rotation inhibition plate, which is provided on a subject side of the lens holder, is movable in a first direction perpendicular to the optical axis integrally with the lens holder and is inhibited from moving in a second direction perpendicular to both the optical axis and the first direction.

Abstract: A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group, in that order from the object side, wherein upon zooming from the short focal length extremity to the long focal length extremity, the distance between the first lens group and the second lens group decreases, and the distance between the second lens group and the third lens group increases. The second lens group includes a positive first sub-lens group and a negative second sub-lens group, in that order from the object side. The second sub-lens group is a negative single lens element serving as an image-stabilizer lens group which moves in directions orthogonal to the optical axis to change the imaging position to correct image shake.

Abstract: In an optical system in which a focal length of an entire system is shorter than a back focus, an image stabilizing lens unit, is at a position adjacent to an aperture on an image side and a cemented lens obtained by cementing a positive lens and a negative lens is on an object side of the aperture diaphragm, and the focal length of the entire system, a focal length of the image stabilizing lens unit, a focal length of the cemented lens, a distance on the optical axis from the aperture to a lens surface on the object side of the image stabilizing lens unit, and a distance on the optical axis from a first lens surface on a side closest to an object to a final lens surface on a side closest to an image when an infinite-distance object is brought into focus are set.

Abstract: There are provided an inner focus lens consisting of a first lens group, an aperture diaphragm, and a second lens group in order from an object side. The first lens group has a positive first lens element, a positive second lens element, and a negative third lens element; or a positive first lens element, a positive second lens element, a positive third lens element, and a negative fourth lens element, in order from the object side. One lens element in the second lens group is moved with respect to an image surface in focusing, some of the lens elements thereof are moved in a direction perpendicular to an optical axis. The inner focus lens satisfies 0.2<|fF/fO|<3.0 (fF: a focal distance of a focus lens, fO: a synthetic focal distance of the lens elements moving in the direction perpendicular to the optical axis).

Abstract: A zoom lens system of lens units, the system including, in object-side-to-image-side order: a first lens unit having positive optical power; a second lens unit; an aperture diaphragm; one or more additional lens units, with a first of the additional lens units being a first focusing-lens unit having negative optical power and moving along the optical axis in the zoom lens system focusing; an image blur compensating lens unit, adjacent the first focusing-lens unit and movable in a direction perpendicular to the optical axis in order to optically compensate image blur; with the lens system satisfying: 0.1<(T1+T2)/H<2.0 (T1 being the axial thickness of the first lens unit, T2 being the axial thickness of the second lens unit, and H being the height of an image the zoom lens system forms on an image surface on the image-side end of the zoom lens system).

Abstract: A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group, in that order from the object side, wherein upon zooming from the short to long focal length extremities, the distance between the first lens group and the second lens group decreases, and the distance between the second lens group and the third lens group increases. The second lens group includes a positive first sub-lens group and a negative second sub-lens group, in that order from the object side. In at least part of the zooming range of the zoom lens system, the second sub-lens group and the third lens group each serves as a focusing lens group that is moved along the optical axis during a focusing operation.

Abstract: A zoom lens includes, sequentially from an object 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; and a fourth lens group having a positive refractive power. Zoom is performed by moving the second and the third lens groups in a direction along an optical axis. The fourth lens group consists of, sequentially from the object side, a front group having a positive refractive power, an intermediate group configured by a cemented lens formed by a positive lens and a negative lens and having an overall refractive power that is negative, and a rear group having a positive refractive power. Blur is corrected by moving the intermediate group in a direction that is substantially orthogonal to the optical axis.

Abstract: A zoom lens includes first and second lens units having positive and negative refractive powers, an aperture stop, and third and fourth lens units having positive and negative refractive powers in order from an object side to an image side. During zooming from a wide angle end to a telephoto end, the first lens unit remains fixed, and the second and fourth lens units move. The first lens unit includes negative, positive, negative, positive, and positive lenses in order from the object side to the image side, the third and fourth lens units include two or more lenses. Focal lengths of the first and third lens units and of the entire system at the wide angle end, the thickness of the first lens unit on an optical axis, and the distance between principal points between the first and the second lens units at a wide angle end are appropriately set.

Abstract: A VCM (Voice Coil Motor) is disclosed, the VCM including an auto focus module vertically moving a lens and having terminals exposed to an outer surface, a fixation member coupled to the outer surface of the auto focus module to expose the terminals, a handshake correction module including a first driving unit coupled to an outer surface of the fixation member and a second driving unit opposite to the first driving unit, a connection member connecting an upper end of the auto focus module to an upper end of the handshake correction module, and a flexible circuit board connected to the terminals and the second driving unit to apply a driving signal to the first and second driving units.

Abstract: A zoom lens and an image pickup apparatus are disclosed. The zoom lens includes, 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, and a fifth lens group having a positive refractive power. The fifth lens group includes a fixed group having a negative refractive power, and a movable group having a positive refractive power and being movable in a direction substantially orthogonal to the optical axis. The image formed on an image surface is movable in a direction substantially orthogonal to the optical axis by moving the movable group of the fifth lens group in the direction substantially orthogonal to the optical axis. The fifth lens group is satisfied predetermined conditions.

Abstract: A zoom lens includes an imaging lens unit having a positive refractive power and provided nearest to an image-side end, and a focusing lens unit having a positive refractive power and provided on an object side of the imaging lens unit. A distance between the imaging lens unit and the focusing lens unit changes during zooming. The focusing lens unit moves during focusing. The imaging lens unit includes, at a position thereof nearest to an object-side end, a negative meniscus lens component that is concave on the object side thereof.