Abstract: An exemplary camera module includes a lens holder and a lens barrel. The lens holder includes a cylindrical receiving cavity defined therein and an inner smooth surface in the cylindrical receiving cavity. The lens barrel is received in the cylindrical receiving cavity. The lens barrel includes a hollow cylinder and a plurality of spaced protrusions arranged on the outer cylindrical surface of the hollow cylinder. The outer cylindrical surface is spaced from the inner smooth surface. The protrusions abut against the inner smooth surface.

Abstract: An optical lens includes a central optical portion and a peripheral portion surrounding the optical portion. The peripheral portion includes a first step surface, a second step surface, and a first connecting surface interconnecting the first step surface and the second step surface. The first step surface is adjacent to the optical portion. The second step surface has a circular groove formed therein, and the circular groove is adjacent to the first connecting surface. A lens assembly including the optical lens is also provided.

Abstract: A lens module includes a base, and first and second lens units. The base defines a receiving space, and has two spaced-apart through holes for fluid communication of the receiving space with an area external to the base. The first lens unit is disposed within the receiving space, and defines a first light communicating path that corresponds in position to one of the through holes. The second lens unit is disposed within the receiving space in a side-by-side manner with the first lens unit, and defines a second light communicating path that corresponds in position to the other one of the through holes.

Abstract: An optical assembly includes a light path and at least one optic to be positioned in the path. A support arrangement supports the optic having a foot arrangement including at least one foot that receives a direct manipulation with the foot slidingly engaged against a support surface to move the optic relative to the light path. Movement of the foot may move the optic along a predetermined path. The foot defines a footprint for engaging the support surface and receives the direct manipulation in a way which changes the footprint on the support surface to move the optic responsive to changes in the footprint. A movement arrangement may selectively bias the foot against the support surface during a movement mode, intended to permit movement of the foot against the support surface, and in a locked mode, intended to lock the foot against the support surface.

Abstract: An optical layer stack having a first layer, a second layer, a first spacer part associated with the first layer and a second spacer part associated with the second layer, wherein the two spacer parts have groove and tongue for an engagement in a stacking direction of the optical layer stack in order to provide a connection between the first and the second spacer part and a spacing of the first and the second layer in stacking direction.

Abstract: A lens holder for receiving a lens barrel includes a base portion and a barrel portion. The base portion defines a first circular chamber and a second chamber communicating with the first chamber. The first chamber has a diameter equal to an outer diameter of the lens barrel. The second chamber receives an image sensor. The barrel portion extends coaxially from the base portion. The sidewall of the barrel portion defines a number of through slots extending along a direction parallel to the central axis of the barrel portion.

Abstract: A microlithography projection objective includes an optical element, a manipulator configured to manipulate the optical element, and a control unit configured to control the manipulator. The control unit includes a first device configured to control movement of the manipulator, a memory comprising an upper bound for a range of movement of the manipulator, and a second device configured to generate a merit function based on a square of a root mean square (RMS) of at least one error and configured to minimize the merit function subordinate to the upper bound for the range of movement of the manipulator.

Abstract: There are provided a lens module and a method of manufacturing the same. The lens module includes: a lens unit having at least one or more lenses stacked along an optical axis; and spacers disposed at corners of the at least one or more lenses so that lenses disposed to be adjacent to each other in an optical axis direction of the lens unit have a predetermined distance maintained therebetween.

Abstract: Disclosed herein is a sensing assembly. The assembly includes a sensing assembly housing for enclosing an interior. The assembly further includes a plurality of sensing assembly components which are at least partially positioned, or at least partially contained, within the interior. And the assembly includes an indicator lens device which is integral with, or integrated with respect to the housing. In at least some embodiments, at least a portion of the housing coincides at least in part with a first axis and at least a portion of the indicator lens coincides with a second axis, such that the first axis and the second axis intersect to form an oblique viewing angle range and at least a portion of the indicator lens device is visible at least substantially throughout the oblique (e.g., obtuse) viewing angle range.

Abstract: An optical assembly includes an output optical element having a thermally conductive and optically transmissive material and a thermal conduit in thermal communication with the output optical element and having at least one surface configured to be in thermal communication with at least one heat dissipating surface of a light delivery apparatus. The optical assembly further includes a coupling portion configured to be placed in at least two states. In a first state, the coupling portion is attached to the apparatus such that the at least one surface of the thermal conduit is in thermal communication with the at least one heat dissipating surface. In a second state, the coupling portion is detached from the apparatus after having been attached to the apparatus in the first state and in which the coupling portion is configured to prevent re-attachment of the coupling portion to the apparatus.

Abstract: Lens alignment apparatuses, methods and optical devices are disclosed. In accordance with various embodiments, a lens alignment apparatus may include at least one lens element positioned in a lens body. A lens alignment interface coupled to the lens element may be configured to permit the lens element to be angularly deflected relative to an axis of symmetry of the lens body. In other embodiments, a method of improving the resolution of an optical device may include translating a lens along an optical axis to maximize resolution at a first location, and determining a resolution in a second location in the imaging plane. The resolution in the second location may be improved by angularly deflecting the lens, and the position of the lens may then be fixed.

Abstract: A lens arrangement includes two lenses. Each lens includes an optical portion having an optical axis, a non-optical portion surrounding the optical portion, and an engagement portion extending along and inclining relative to the optical axis from the non-optical portion. The engagement portions of the lenses are engaged with each other and an included angle is defined between the engagement portions. One of the lenses includes an elastic element which can be flexibly deformed relative to the other lens.

Abstract: An objective lens driving unit including a moving structure to which an objective lens and a driving coil are operatively installed, a static structure which includes a magnetic circuit corresponding to the driving coil, a plurality of suspension wires each of which has a first end and a second end, the first end being operatively connected to the static structure, and the second end being operatively connected to the moving structure, and circuit boards operatively installed to the moving structure, the circuit boards including a plurality of wiring layers, wherein the wiring layers include first terminals to which the driving coil is connected and second terminals to which the second end of each of the plurality of is connected.

Abstract: A lens system includes: a lens unit; a drive unit driving the lens unit in an optical axis direction; a detector detecting a position of the lens unit; a lens operation unit that operates driving of the lens unit; and a computing unit that computes a positional command value for controlling driving of the lens unit based on a signal input from the lens operation unit and controls driving of the lens unit; a time setting unit; and a threshold setting unit setting a positional difference threshold for switching the first and second current values set in the drive unit. When the difference between the positional command value and the lens position is larger than the positional difference threshold and duration after the second current value is set has not exceeded the high-current maximum time, the second current value is set. In other cases, the first current value is set.

Abstract: A method for thermal management of a solid immersion lens is described. In one example, a method includes applying a lens tip assembly of a solid immersion lens to a device under test, focusing an image of the device under test on an optical probe, applying a first thermally controlled fluid to a first heat exchanger thermally coupled to the objective near the lens tip assembly, applying a second thermally controlled fluid to a second heat exchanger thermally coupled to the objective farther from the lens tip assembly than the first heat exchanger, to independently alternately heat or cool a portion of the objective different from that of the first heat exchanger.

Abstract: A lens module array comprising a spacer plate comprising (i) first and second surfaces, and (ii) an array of lens barrels, each lens barrel comprising (1) a lens opening extending inward from the first surface of the spacer plate, and (2) a sensor cavity extending inward from the second surface of the spacer plate to meet the lens opening; and (b) at least one lens positioned over each lens opening of a lens barrel, the outer circumference of the lens being attached to the spacer plate.

Abstract: An image sensor module may include an image sensor, a variable thickness member and a lens member. The image sensor may include a light receiver configured to receive a light. Further, a driving voltage may be applied to the image sensor. The variable thickness member may be arranged on the image sensor adjacent to the light receiver. Further, the variable thickness member may have a variable thickness along an optical axis of the light in accordance with the driving voltage through the image sensor.

Abstract: A novel, adjustable locking windage and elevation turret assembly capable of being re-zeroed, for the improved functionality and accuracy of a scope.

Abstract: The present disclosure relates to a camera module including a fixture; a moving part centrally coupled with a lens and arranged to move relative to the fixture; three or more magnets arranged at a periphery of the moving part; and three or more coils arranged from an inner surface of the fixture to areas opposite to the three or more magnets, where each of the coils independently receives a control signal so that the moving part moves to a height direction and tilted relative to a central axis of the moving part, whereby a lens can be axially moved and tilted at the same time using arrangement of a single set of coils and magnets.

Abstract: A projector includes a lens driving section that drives a lens section having a projection lens, an accepting section that accepts first control value indication information indicating a first control value including a drive instruction value of the lens section, a determining section that determines whether a drive instruction direction for the lens section is a first drive direction that is same as the last drive direction or a second drive direction that is different from the last drive direction, and a control section that drives the lens section by using a second control value whose drive instruction value is greater than the drive instruction value of the first control value in case that the drive instruction direction is the second drive direction.

Abstract: This invention provides an auto-focusing lens driving device having a movable member, the movable member comprising: a cylinder-shaped lens carrier whose exterior is wound with a coil and whose interior defines a hollow portion for receiving an optical system; and two separate conductive elastic pieces which are each disposed at one side of the cylinder-shaped lens carrier along an optical axis; wherein each one of the two ends of the coil is micro-welded and joined to a corresponding one of the two conductive elastic pieces by thermal pressing technique, and a thermal pressing region having an area of less than 1 mm2 is formed at the end of the coil.

Abstract: In a method for manufacturing a lens, a substrate which has a recess in a first surface thereof is provided. A sacrificial material is provided in the recess which has shape in accordance with a first desired lens surface. A lens material is applied to the substrate and to the sacrificial material and cured so that the lens material has a shape in accordance with the first desired lens surface, and then the sacrificial material is removed.

Abstract: An auto focus module of an image capture device is provided. The auto focus module comprises at least one gear, a nut, a lead screw and a driver. The gear has at least one first extension and a first through hole. The nut has at least one second extension and a second through hole. The lead screw penetrates the first through hole and the second through hole. The driver drives the lead screw and the gear so that the lead screw and the gear move relatively along the axis of the lead screw. The nut and the gear terminate approaching toward each other after the first extension and the second extension lean against each other.

Abstract: An optical lens on wafer level consists of a first optical component, a first spacer, a second optical component, at least a first via plug, and an adhesion material. The first spacer includes at least a first via plug passing through the first spacer, wherein the first optical component and the second optical component are separated by the first spacer. The adhesion material is coated in between the first optical component and the first spacer and coated in between the first spacer and the second optical component, and is filled in at least a portion of the first via plug.

Abstract: An apparatus that transfers an optical element includes: a driving unit that generates a driving force in response to an external signal, a rotating plate that rotates due to the driving unit, a first deceleration unit that is rotatably in frictional contact with the rotating plate, a rotating shaft that has an outer screw surface and that rotates by being mated to the first deceleration unit, an intermediate plate that is rotatably in frictional contact with the first deceleration unit, a second deceleration unit that is rotatably in frictional contact with the intermediate plate, a transmission unit that transmits an external rotational force to the second deceleration unit, and a moving unit that supports the optical element and that is engaged with the outer screw surface of the rotating shaft and moves with the rotating shaft as the rotating shaft rotates.

Abstract: The present invention provides an apparatus and a system for improving depth of focus (DOF), wherein an optical lens for optical processing is actuated to vibrate whereby the DOF of the optical processing is increased due to the variation of focal point. In the embodiment of the present invention, an actuator is coupled to the optical lens for providing vibration energy wherein the optical lens is actuated by the vibration energy so as to vibrate on an optical axis thereof so as to increase the DOF during the optical processing, thereby improving the quality and efficiency of optical processing.

Abstract: A photographing device is provided, in which an exchangeable lens unit including an image-forming optical system for capturing an image of an object on a photographing element, an end lens interposed between the image-forming optical system and the photographing element, an end lens support for supporting the end lens, and a first mounting unit, and a main body including a second mounting unit to which the first mounting unit is mounted, the photographing element disposed inside the second mounting unit, and an opening unit installed at a side of the photographing element in the second mounting unit, for receiving the end lens therein.

Abstract: A variable focus illuminator includes an array of light sources and a movable lens plate positioned immediately in front of the array of light sources. The lens plate includes a plurality of lenses that redirect the light produced by the light sources, such that different positions of the lens plate result in different sizes of the field illuminated by the variable focus illuminator. The lens plate may be movable in translation, rotation, or both. The variable focus illuminator may also include a cover plate in front of the movable lens plate, which may also include a plurality of cover plate lenses. The variable focus illuminator may be varifocal, or may include a zoom capability. The variable focus illuminator may be part of a system that includes a camera, and the system may also include a pan/tilt mechanism.

Abstract: Disclosed are a lens actuator and a camera module having the lens actuator. The lens actuator, which includes: a housing; a magnet installed in the housing; a lens holder supporting a lens and installed to ascend and descend in the housing; a spring coupled to the lens holder and supported by the housing to elastically support the lens holder; and a coil coupled to the lens holder in such a way that the coil faces the magnet, a lead line of the coil being interposed between the lens holder and the spring, forms an electric connection structure between the coil and the spring that durable against shocks and humidity, improving the reliability of electric connection, and simplifies the connection structure between the spring and the coil, making it easier to manufacture the lens actuator.

Abstract: A resin lens includes an optical functional section that has an optical function, and a flange section that is formed around the optical functional section. A reference face is used as reference during positioning and fixing, and is formed on one face of the flange section. The face on which the reference face is formed is molded by an insert that mainly forms the optical functional section and a holder that mainly forms the flange section, during molding. The reference face of the flange section and an optical functional face that is the face of the optical functional section facing the reference face are molded by the insert, and a face of the flange section that is closer to the outer periphery than the reference face of the flange section is molded by the holder.

Abstract: A camera body is mountable with an intermediate lens which is mountable to an interchangeable lens. The intermediate lens has a first lens and a first drive controller operable to control drive of the first lens. The interchangeable lens has a second lens and a second drive controller operable to control drive of the second lens. The camera body includes an operation unit operable to receive an operation performed by a user, and a body controller operable to control the first drive controller and the second drive controller. The body controller sends a signal for driving the first lens to the first drive controller and/or sends a signal for driving the second lens to the second drive controller, according to the user operation performed on the operation unit.

Abstract: A lens barrel includes a lens group having at least two lenses, a lens holding frame configured to hold the lens group, a holding cylinder configured to hold the lens holding frame movably in an optical axis direction of the lens group, a forward-backward moving mechanism configured to move the lens holding frame forward and backward with respect to the holding cylinder, first to third guide shafts fixed on the holding cylinder so as to surround the lens holding frame and each extend in the optical axis direction, and a biasing mechanism configured to be held by the lens holding frame between the first guide shaft and the lens holding frame and bias the lens holding frame in a direction so as to separate the lens holding frame from the first guide shaft toward the second and third guide shafts on a plane orthogonal to the optical axis direction.

Abstract: An optical system having a scope device includes a post extending from a rolling base. Electronic components for communicating with the scope device are located either underneath the base with appropriate clearance from the floor or within a cavity formed in the base. In one embodiment, the base includes a plurality of legs each having a roller or caster attached thereto. At least one of the legs may include a channel or passageway for routing an electrical power cord such that the cord extends out from a distal end of the leg. Further, an ON/OFF switch may be located on one of the legs such that one or more features of the optical system may be turned on or off by foot.

Abstract: A flexible printed circuit according to the present invention is anchored to a holding member disposed within electronic equipment, and comprises: a main body portion 70 that includes electrical lines; a first connection portion 71 disposed in the main body portion 70 and to which an electric component or another flexible printed circuit is connected; and a first cover portion 72 formed as part of the main body portion 70 and disposed so as to cover the first connection portion. Part of the first cover portion is held by a lens holder 6. According to this configuration, an insulated state can be reliably maintained by using a configuration in which soldered connection portions are covered by part of the FPC and the covering portion is held by the housing.

Abstract: According to one embodiment, a camera module includes an insulating substrate having an imaging device, solder balls, a cylindrical lens holder, a shield, and a mounting board. The solder balls are formed on a rear face of the substrate. The lens holder is fixed on the substrate and includes an upper larger-diameter portion and a lower smaller-diameter portion. The shield includes a cylindrical side portion fitted onto the small-diameter portion and fixed on the rear face of the large-diameter portion and a plate-shaped bottom portion in contact with the rear face of the substrate and having an opening. The mounting board is on an upper surface of which the plate-shaped bottom portion is mounted to come in contact with the upper surface and the insulating substrate or the imaging device is connected with the upper surface by the plurality of solder balls.

Abstract: An inspection system including a lens. In one instance, the lens is a solid immersion lens. The inspection system includes a component or components for providing a self aligning solid immersion lens arrangement in order to allow at most a small distance between the solid immersion lens and a device under test and components or components for constraining a force exerted on the device under test. The inspection system may include a “purge” port, or a thermal isolation configuration or an anti-contamination component. The inspection system may include software and hardware to prevent crashing of the lens. The inspection system may also include a method for ensuring that various objective lenses can be replaced while maintaining the intended spacing between lenses.

Abstract: A lens apparatus includes a first lens barrel member and a second lens barrel member coupled with the first lens barrel member via a cam mechanism. The first lens barrel member includes a stopper portion and a gear portion. The stopper portion comes into contact with a first contact surface formed in the second lens barrel member, when the first lens barrel member protruding from the second lens barrel member in the optical axis direction receives the external force from a front end side of the first lens barrel member in its protruding direction, to restrict a displacement of the first lens barrel member with respect to the second lens barrel member due to the external force. The gear portion comes into contact with a second contact surface formed in the second lens barrel member to restrict the displacement due to the external force.

Abstract: In a method for manufacturing a lens, a substrate is provided which includes recess in a first surface thereof. A lens structure having a first desired lens surface and a second desired lens surface is formed in the substrate's recess.

Abstract: An optical system support, especially for an optical measuring device, includes a base on which a mechanism for fixing an electro-optical transceiver system is provided. The optical system support is a ceramic optical system support.

Abstract: A 3-D image pickup apparatus includes a lens portion that includes a lens system; and an adjustment ring portion that includes plural coaxially rotatable rings. Each ring adjusts a respective one of plural optical parameters of the lens system.

Abstract: An interchangeable lens to be detachably attached to a camera body, that includes a holding unit at which a plurality of contacts is arranged, the interchangeable lens includes: a first communication contact system arranged at the holding unit; and a second communication contact system different from the first communication contact system, arranged at the holding unit at a position different from a position at which the first communication contact system is arranged. The fourth contact is arranged at a position closer to the second communication contact system than the first contact, the second contact, and the third contact are, and the seventh contact and the eighth contact are arranged at positions closer to the first communication contact system than the fifth contact and the sixth contact are.

Abstract: According to one embodiment, focus adjusting equipment is provided. The focus adjusting equipment is provided with a rotational driving unit, a focus lens unit, a cam gear and a cam. The rotational driving unit generates a rotational force. The focus lens unit is provided with a focus lens and a motion converting unit. The focus lens is movable in an optical axis direction. The motion converting unit converts a rotational motion into a linear motion of the focus lens. The cam gear rotates in association with the rotation of the rotational driving unit. The cam rotates with the cam gear integrally. The cam contacts with an actuating part of the motion converting unit so as to transmit the rotational motion of the cam gear to the motion converting unit.

Abstract: Provided is an objective lens, which is provided in an optical pickup including a spherical aberration correction mechanism which performs a spherical aberration correction with respect to laser light applied to a recording layer of an optical recording medium, having the recording layer on which information can be recorded at a plurality of positions in a depth direction, via the objective lens, and a tilt correction unit which varies a lens tilt angle which is a tilt angle of the objective lens, thereby performing a tilt correction.

Abstract: A holder for optical components includes a two-part holder housing that forms an essentially ring-shaped enclosure surrounding an optical component; in addition the two housing parts have different thermal expansion coefficients. To create a holder for optical components that is both simple in structure and ensures a low-tension and insulated enclosure of the optical component, it is proposed with the invention that one housing part should be configured as a ring that surrounds the optical component and on whose housing interior close to the optical component a groove should be configured that surrounds and encloses the optical component and serves as a receptacle for the second housing part, which is configured as a tension ring.

Abstract: Focusing systems and methods for remotely controlling a focal position of an objective lens assembly in a night vision optical device are provided. The focusing system includes a focusing device and a focus selector. The focusing device includes an objective lens assembly positioned among two or more focus positions from an imaging array and a focus controller, coupled to the objective lens assembly, configured to translate the objective lens assembly relative to the imaging array among the two or more focus positions. The focus selector is remote from the focusing device and is configured to wirelessly transmit a selected focus position to the focus controller. The objective lens assembly is translated to one of the two or more focus positions in response to the selected focus position transmitted by the focus selector.

Abstract: In a lens driving device, a rack gear portion is used as a gear portion so that the gear portion can be disengaged from the terminal end of the lead screw in the radial direction. To efficiently utilize a guide shaft formed with high precision, the guide shaft extends through a spring supporting frame of a lens holder that holds a lens, a movable member having the rack gear portion that meshes with the lead screw, whereby the movable member and the lens holder are linearly guided along the guide shaft, and the guide shaft also serves as the rotation axis of the movable member. A compression coil spring is wound around the guide shaft, and the rack gear portion is pressed against the lead screw by using the compression coil spring.

Abstract: The invention relates to an optical lens holder (1) comprising a supporting means (2) and a first and a second arm (10, 20, 30) defining a lens holder general plane, first and second arms being relatively movable with regards to each other and each arm having spaced apart first and second end portions (10a, 20a, 30a, 10c, 20c, 30c) and an intermediate portion (10b, 20b, 30b), the arms being mounted on the supporting means through their first end portions and the second end portions of each arm comprising an optical lens accommodating means (21, 22) facing each other, whereby an optical lens (3) can be maintained within the accommodating means of the first and second arms with its optical axis orthogonal to the general plane of the lens holder through at least one, preferably one or two contact points between the lens periphery and each of the first and second lens accommodating means, wherein at least the second end portion of each arm comprises a material having a dielectric constant at 1 MHz equal to or hig

Abstract: Provided is a lens apparatus including: an optical member; and an operation member, which is connected to the optical member and is operated to drive the optical member, in which: the lens apparatus is capable of working in a checking mode for checking a specified set value of the lens apparatus; and in the checking mode, the operation member moves to a position corresponding to the specified set value so as to display the specified set value.

Abstract: A lens barrel assembly, a camera including the lens barrel assembly, and a method of assembling a lens barrel are disclosed. The lens barrel assembly is provided that includes an optical lens, a unitary barrel having an outlet slit defined therethrough, and a flexible printed circuit board extending through the outlet slit to communicate signals between an area inside the barrel and an area outside the barrel.

Abstract: A nonlinear optical crystal can be mounted to a mounting block configured to receive the crystal. The crystal can be mounted to the mounting block with a face of the crystal abutting a surface of the mounting block. An adhesive secures the crystal to the mounting block by adhering to the bottom and/or sidewall of the channel and to at least corresponding a portion of the bottom and/or side face of the crystal proximate an edge of the crystal.