Abstract: Smart glasses are provided in the present disclosure, including a housing, a fixing bracket, a left lens barrel, a right lens barrel, an object distance adjustment mechanism including a left-eye object distance adjustment gear, a right-eye object distance adjustment gear, an object distance adjustment driving gear engaged with the left-eye object distance adjustment gear and the right-eye object distance adjustment gear and a driving motor driving the object distance adjustment driving gear to rotate and being capable of moving back and forth on the fixing bracket along a second direction; a pupil distance adjustment mechanism connected to at least one lens barrel, and configured to drive the lens barrel to move in the first direction when an external force is applied, and a linkage member arranged between the at least one lens barrel and the driving motor.

Abstract: A head-mounted display including a body, a base and two lenses is provided. The base is disposed at the body, wherein the base has two assembly portions and each assembly portion has a base center. The two lenses are respectively rotatably disposed at the two assembly portions, wherein each lens has a lens center and the lens center of each lens is shifted with respect to the base center of the corresponding assembly portion. In a first state, a first distance is maintained between the two lens centers, and the two lens centers are located between the two base centers. In a second state, a second distance greater than the first distance is maintained between the two lens centers, and the two base centers are located between the two lens centers.

Abstract: The invention relates to a Pivot hinge (1) for a Long-range optical Instrument (10), in particular binocular, comprising: at least two Joint Elements (2, 3) pivotable against each other about a Pivot Axis (4), and an Adjustment Device (5) for adjusting the pivot resistance and/or a Detent (26) between the Joint Elements (2, 3). In order to permit a more accurate and permanent adjustment and to facilitate a space-saving design, the Adjustment Device (5) comprises a Spreader Device (6) with at least one Spreader Element (7) adjustable along the Pivot Axis (4) and at least one Force Transfer Surface (16) that interacts with the Spreader Device (6) in order to transfer the spreading force of the Spreader Device (6) into a force acting from the Adjustment Device (5) on at least one Joint Element (2, 3), preferably in direction of the Pivot Axis (4).

Abstract: An ocular lens includes from an object side: a first lens group having negative refracting power, and a second lens group having positive refracting power. An object-side focal plane of the second lens group is positioned between the first lens group and the second lens group. The first lens group includes, from the object side: a meniscus first A lens component whose convex surface is directed toward the object side, and a first B lens component having negative refracting power. The second lens group includes, in a position closest to the object side, a meniscus second A lens component whose concave surface is directed toward the object side, and satisfies conditional expressions.

Abstract: A coalignment system including wedge-prism assembly that can be attached to a conventional night vision scope, for example. This could allow a standard handheld night vision scope to be deployed in different modes such as on headmounted goggles or as an augmentation scope in front of a day sight a weapon while enabling Line of sight/point of impact (LOS/POI) correction. In order to ensure maximum compatibility, the coalignment system includes diopter adjustment.

Abstract: Binoculars including: a pair of lens barrels each having a telescopic optical system; and interconnecting portions interconnecting the pair of lens barrels so as to be relatively rotatable about an axis of an axial member that is parallel to an optical axis of each of the telescopic optical systems, an interpupillary distance being adjusted by relatively rotating the pair of lens barrels about the axial member, the binoculars being characterized in further including: a click position setting mechanism serving to set a click position at a predetermined angle of rotation of the pair of lens barrels, the click position setting mechanism being configured to include a rotating member provided on the axial member so as to rotatable about the axis of the axial member and facing the interconnecting portion in a direction of the axis of the axial member, a protruded portion being provided on any one of the interconnecting portion and the rotating member, and a recessed portion being provided on the other of the interc

Abstract: The invention describes an observation device (1), having at least two observation parts (3, 4) with an ocular side (6) and an objective side (5). In a position of use the longitudinal axes (40, 41) of the observation parts (3, 4) in the region of the ocular sides (6) are spaced apart by a distance (47) of at least 54 mm and the two longitudinal axes (40, 41) define a plane of reference (49).

Abstract: A loupe mounting assembly includes: a bridge swivel including a base coupling for attaching the assembly to a base device, the swivel also including a loupe bar coupled to a loupe bar coupling proximate the base coupling; wherein each of the base coupling and the loupe bar coupling provide for rotation of the assembly about a first axis (S1) and a second axis (S2) respectively; wherein the loupe bar includes horizontally outward extensions in a location that is inferior to a line of sight when worn by a user; and a loupe adjustment mechanism mounted on each of the extensions of the loupe bar. Embodiments of a magnification viewer are also provided.

Abstract: A binocular telescope with internal focusing and two cylindrical barrel tubes (2, 3) each fastened to a bridge (1) and accommodating an objective lens (4, 5), a focusing lens (6, 7), a prism system (8, 9) for image inversion, and an eyepiece (10, 11), wherein the prism system (8, 9) is configured so that within the barrel tubes (2, 3) the optical axis (12, 13) of the eyepieces (10, 11) is offset relative to the optical axis (14, 15) of the objective lenses (4, 5), is characterized in that a rigid bridge (1) is provided with two cylindrical apertures (16, 17) in which the barrel tubes (2, 3) are mounted parallel to one another and each rotatable about the optical axis (14, 15) of the respective objective (4, 5), wherein the barrel tubes (2, 3) each comprise a rotary sleeve (18, 19) and an objective tube (20, 21) and an eyepiece tube (22, 23) connected thereto, the bridge (1) is constructed in one piece and has a small length compared to the length of the barrel tubes (2, 3), the rotary sleeves (18, 19) are ins

Abstract: A pair of binoculars is provided with a second bridge portion on which a portion for fitting an adapter for attaching a tripod is provided near to the center of gravity of the binoculars with a given space in the optical axis direction from a first bridge portion that is provided to the objective lens side, thereby capable of preventing a shake upon attaching a tripod through the adapter.

Abstract: An apparatus for pupil distance adjustment for a binocular tube (22) has two eyepiece carriers (1, 2), at least one of which is mounted rotatably about a rotation axis (3, 4), a threaded spindle (7) being provided which is actuatable for pupil distance adjustment and by way of whose threads (12) the spacing of the two eyepiece carriers (1, 2) is adjustable. The apparatus can be implemented in mechanically simple and compact fashion, and permits accurate adjustment of the pupil distance.

Abstract: An optical apparatus that can take an image at any inclination. Further, the optical apparatus is provided with a function that a user can know the inclination. A visual field frame having the same shape as an imaging unit is provided in a lens-barrel such that the visual field frame can rotate, being interlocked with rotation of the imaging unit. Further, the optical apparatus is provided with a function of detecting rotation of the imaging unit itself interlocked with rotation of the visual field frame and rotation of the imaging unit caused by rotation of the lens-barrel at the time of adjusting the pupil distance or the like. At recording, an image is recorded in an inclined state adapted for the rotation of the imaging unit. As a result, even if the imaging unit is inclined contrary to the user's will at the time of adjusting the pupil distance, the imaging unit can be returned to be horizontal by rotating the visual field frame.

Abstract: Binoculars having an integrated laser rangefinder has two separate housing parts (1, 2) with eyepieces (16, 17) and objectives (18, 19), which are connected to each other via a jointed bridge (3) for eye width adjustment, and in which the first housing part (1) contains a transmitter (4) and a receiver (5) of the laser rangefinder and also an optoelectronic display element (6) in a fixed arrangement with respect to an optical observation axis (7).

Abstract: An adjustment method includes rotating a pair of magnifying glasses in directions opposite to each other using ?-rotation, and correcting inclination of an image, caused by the ?-rotation, by rotating the pair of magnifying glasses in directions opposite to each other using the ?-rotation, given that rotation about each of axes XL and XR, which respectively correspond to visual axes of left and right eyes when an object distance is infinite in a condition of a primary position, is represented by the ?-rotation, and that rotation about each of axis YL and YR, which are respectively perpendicular to the axes XL and XR and are also perpendicular to a z-axis which perpendicularly intersects with the axis XL at a position of a deflector for the left eye and the axis XR at a position of the deflector for the right eye, is represented by the ?-rotation.

Abstract: A viewing apparatus includes a viewing optical system having a positive objective optical system and a positive eyepiece optical system, an image of an object formed through the positive objective optical system being viewed through the positive eyepiece optical system; a photographing optical system, provided independently from the viewing optical system, for photographing the object image viewed through the positive eyepiece optical system; a first focusing mechanism for changing an image focal point of the object image formed through the positive objective optical system of the viewing optical system; a second focusing mechanism for changing an image focal point of an object image formed through the photographing optical system; an association mechanism which interconnects the first focusing mechanism with the second focusing mechanism; and an indicia indication optical system for selectively indicating the object image and an indicia image in a field of view viewing through the positive eyepiece optical s

Abstract: An ocular mounting assembly for adjustably mounting a pair of ocular devices, such as telemicroscopic loupes, to an eyeglass frame or head mount with linear and rotational adjustments, but with view angle being permanently preset in accordance with working distance. The ocular mounting assembly includes an adjustable ocular support assembly and an adjustable clamp assembly rotatably attached to the ocular support assembly. The ocular mounting assembly includes a housing and two slidable mounting arms to which the ocular devices are attached, the transverse cross-sectional shape of the housing interior and mounting arms being such that substantially all of the volume of the housing interior is consumed apart from close tolerances to facilitate the sliding motion, thus resulting in a structure which cooperates to assist in providing a substantially rigid assembly.

Abstract: Binoculars including a pair of lens barrels, each lens barrel having an optical system, a relative movement between the lens barrels causing the lens barrels to relatively displace, traveling between a closed state and an operational state in which eye spacing adjustment is enabled, a barrier that is moved between an optical system protective position with the lens barrels in the closed state and a retracted position with the lens barrels in the operational state, and a barrier control member, mounted on the lens barrels which moves the barrier from the optical system protective position to the retracted position in response to the displacement of the lens barrels from the closed state to the operational state.

Abstract: A pair of binoculars includes a compact focusing mechanism providing an open reach-through space between the body tubes of the binoculars with an enhanced area for the user to grasp and hold each body tube. The focusing mechanism further provides for adjustment of the body tube spacing without affecting focusing. The focusing mechanism includes a compact focusing knob structure situated on an outside of an articulated bridge connecting the body tubes and used for adjusting and maintaining a desired distance between the tubes. The focusing mechanism includes respective arms extending from the focusing knob to each of the body tubes, the ends of the levers riding on the inside of a conically shaped plunger coaxial with a pivot point of the bridge so that adjusting a spacing between the body tubes does not affect focusing. When positioned inwardly, the focusing knob produces a longitudinal movement of the plunger to effect focusing of both focusing elements simultaneously.

Abstract: The present invention is usable as a stereoscopic visual unit capable of obtaining fine stereoscopic effects and also usable as binoculars, by provided with a first housing 11 that has a pair of convex lenses 12 and 13 and disposed at a specified space and having mutually almost parallel optical axes; and a second housing 20 that has a supporting part 25 supported swingable to the first housing for keeping a pair of pictures to be stereoscopically viewed on the optical axis of each convex lens in its first swing position, and a pair of concave lenses 26 and 27 disposed on the optical axis of each convex lens, a specified distance apart from each convex lens in its second swing position.

Abstract: A telescopic lens tube protector to be fitted on telescopically connected lens tubes of a monocular or binocular telescope for protecting same from shocks of collisional impacts or the like. The lens tube protector is arranged to enshroud the entire outer peripheries of the telescopic lens tubes and constituted by a cover case which partially contains a cushioning bag structure or structures or which as a whole is in the form of a cushioning bag structure containing a cushioning material in a sealed state.

Abstract: An ocular mounting assembly for adjustably mounting a pair of ocular devices, such as telemicroscopic loupes, to an eyeglass frame or head mount with linear and rotational adjustments, but with view angle being permanently preset in accordance with working distance. The ocular mounting assembly includes an adjustable ocular support assembly and an adjustable clamp assembly rotatably attached to the ocular support assembly. The ocular mounting assembly includes a housing and two slidable mounting arms to which the ocular devices are attached, the transverse cross-sectional shape of the housing interior and mounting arms being such that substantially all of the volume of the housing interior is consumed apart from close tolerances to facilitate the sliding motion, thus resulting in a structure which cooperates to assist in providing a substantially rigid assembly.

Abstract: A binocular telescope provided with a pair of left and right lens-barrels respectively containing optical systems, a first guide shaft for supporting these lens-barrels in such a manner that the lens-barrels can slide in a direction perpendicular to the optical axes of the optical systems and can rotate, a second guide shaft for restraining the relative tilt of the lens-barrels around this first guide shaft in such a manner that the optical axes of the left and right optical systems become parallel to each other, a first rib for holding both ends of the first guide shaft by fitting upper and lower covers to each other, and a second rib for restraining the tilt of the optical axes of the entire lens-barrels around the first guide shaft.

Abstract: This invention provides a mount system for supporting binoculars on a camera-type tripod, particularly, a mount system wherein a single monocular barrel of such binoculars may be securely supported and mounted on such tripod for using such binoculars. A rigid L-cross-sectioned cradle member, in concert with an adjustable strap between the ends of the arms of the cradle member, provides the holding means for secure grasping of the circular objective-lens end portion of a monocular barrel, and the cradle member is attachable to a panning head of a tripod, providing secure tripod support for the binoculars without hindering or restraining normal adjustment of the binoculars by a user-viewer.

Abstract: A can telescope includes a can being of a container having a front end and a back end, a removable lens cap at the back end and a removable can lid also at the back end, the can being that of a pop or soda can. The can telescope also includes a base tubular section which is smaller than the container and which is secured inside the container, and further includes three telescopic tubular sections in which one slides into and is extended from another. The container has a storage compartment inside thereof, which is defined as being between the side wall of the container and the side wall of the base tubular section. The storage compartment can be accessed through the back end of the container upon removal of the removable can lid. Objects and liquids can be stored in the storage compartment. When not in use, the can telescope has the appearance that of a pop or soda can and is an ideal souvenir.

Abstract: Telescopic optical systems of a binocular have respective objectives movable along respective optical axes for focusing on an object, and respective power-varying lens assemblies movable along respective optical axes for varying magnifications. One of the objectives is manually movable independent of the other objectives for diopter difference adjustment. The binocular has a manually operable mechanism for actuating the power-varying lens assemblies to adjust the magnifications independently of each other, to equalize the magnifications regardless of angular movement of the telescopic optical systems about the optical axes of the objectives for interpupillary adjustment. Electric motors for moving the objectives into an in-focus condition and moving the power-varying lens assemblies to vary the magnifications synchronously, are disposed on one side of a plane interconnecting the optical axes of the objectives. Batteries for energizing the electric motors are disposed on the other side of the plane.

Abstract: A modular night vision device wherein either one or two night vision monocular assemblies can be joined to a common mount to selectively create either a monocular night vision apparatus or a binocular night vision apparatus. Electrical contacts are present on the night vision monocular assemblies that couple to the common mount. The electronic controls and power source needed to operate the night vision monocular assemblies are contained within the common mount. Accordingly, the night vision monocular assemblies automatically become disabled when detached from the common mount. The common mount provides interpupillary and distance-to-eye adjustments for the night vision monocular assemblies. Additionally, the common mount enables the night vision monocular assemblies to be flipped up to a stowed position out of the field of view of the person utilizing the night vision device.

Abstract: A viewing tube for a microscope has an optical deflecting element such as a mirror for deflecting light from an objective, a supporting member for supporting the optical deflecting element and an eyepiece portion into which the light deflected by the optical deflecting element enters. The supporting member is rotatable around a first shaft and the eyepiece portion is rotatable around a second shaft. An engaging member is mounted on the eyepiece portion in a position whose distance from the second shaft is equal to the distance between the first shaft and the second shaft. Guiding members are provided on the supporting member for engaging with the engaging member and restricting the engaging member in the circumferential direction around the first shaft, so that the supporting member and the optical deflecting element are rotated around the first shaft in accordance with rotation of the eyepiece portion around the second shaft.

Abstract: A night vision system usable as either a helmet mounted or face mask mounted monocular, or as a pocketscope, comprising an optical portion having an objective lens, an eyepiece, and an image intensification apparatus for intensifying a received image intermediate the objective lens and the eyepiece, a control housing affixed to the optical portion and having internal circuitry for powering the optical portion, and an apparatus for selectively mounting the monocular in an operational position adjacent to a desired one of an operator's eye and being rapidly switchable between the eyes.