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7330310 |
Focusing device with diopter adjustment
A method for focusing and diopter adjustment in a binocular telescope, in which, for the purpose of diopter adjustment, optical focusing elements ( 12 ) in the two telescope tubes ( 2, 3 ) can be...
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7286287 |
Visual aid in the form of telescopic spectacles with an automated focusing device
A vision aid in the form of telescopic spectacles has two lens systems, which each comprise at least one objective lens ( 70 ) and one eyepiece ( 71 ). An autofocussing element which changes the...
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7251073 |
Pair of binoculars
The invention aims at providing a pair of binoculars making it possible to easily perform a focusing operation and a diopter adjustment, and efficiently perform an assembling operation. The present...
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7050226 |
Play-free rotary mounting
A play-free rotary mounting for a drive roll held on stop surfaces in the axial direction on a cylindrical body, wherein V-shaped annular grooves with an opening angle V are provided at least in...
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6937391 |
Optical viewer instrument with photographing function
In an optical viewer instrument with a photographing function, there is provided a telescopic lens system for observing objects, and a digital camera system including a solid-state image sensor and...
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6771434 |
Optical device
An optical device comprises a lens barrel and a casing. The casing has two casing sections that are movable relative to each other. A distribution cable is provided in the casing, and extends...
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6704142 |
Magnification viewer
A housing for a magnification loupe is provided having a body portion for an eyepiece lens and a nose portion for an objective lens. The body portion for the eyepiece lens includes outer...
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6307673 |
Focusing device of binocular
A connecting member is provided with a first, a second and a third arm which radially extend. A first hole is formed at an end of the first arm, and a second hole is formed at an end of the second...
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6266185 |
Binocular telescope
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...
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6236505 |
Binoculars
A binocular includes a hood, an eyepiece lens panel, and an objective lens panel. The hood has top, left side, and right side portions that are integrally formed. The left and right side portions...
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6236504 |
Method and device for adjusting eye range by means of displacements of prisms and ocular lenses
A method is designed to adjust the distance between the central axes of two ocular lenses of an optical instrument. The method involves the use of a link mechanism to actuate two movable prisms and...
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6219185 |
Large aperture diffractive space telescope
A large (10's of meters) aperture space telescope including two separate spacecraft--an optical primary objective lens functioning as a magnifying glass and an optical secondary functioning as an...
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6134048 |
Binoculars with a convergence angle correction mechanism
A binocular has a focusing mechanism and a convergence angle correction mechanism. Focusing is achieved by moving an objective optical system or eyepiece optical system along an optical axis. The...
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6014253 |
Binocular including focus and diopter adjustment of different lens groups
A binocular includes two telescope systems. Each telescope system includes an objective system, an erecting system, and an eyepiece system. The binocular also includes a focus adjusting actuator...
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5949575 |
Binocular telescope
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...
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5909309 |
Method and apparatus for correcting geometrical distortions in an intensified imaging system
A method and apparatus to correct and eliminate optical anomalies and geometrical distortions in an intensified imaging system, specifically a night vision system. An image is received from the...
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5903387 |
Optical axis adjustable binoculars
Binoculars which can adjust the optical axes of optical systems by moving at least one lens groups of objective lens groups and eye piece groups in a plane approximately perpendicular to the...
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5867313 |
Multipurpose night vision monocular
The present invention is a multifunctional night vision monocular that is adapted for use by a soldier as a hand-held spotting scope, a helmet mounted scope, a head mounted scope, and a weapon...
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5706129 |
Binoculars with extraction of a portion of light rays
A pair of binoculars includes a first optical system; a second optical systems; a light rays separators that extracts from the first optical system a portion of light rays that pass through the...
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5687034 |
Mounting adapter for coupling an optical device to a night vision device
A mounting adapter for coupling a TV lens or other type of lens to a night vision device is provided. The mounting adapter is a longitudinal tubular member that has an exterior surface that tapers...
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5663834 |
Eyepiece zoom lens system
In an eyepiece zoom lens having a lens configuration constituted by seven lenses in three groups, predetermined conditional expressions are satisfied so as to realize a zoom ratio of 3 while...
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5617257 |
Variable focus adapter
A variable focus adapter is disclosed that comprises the combination of a ns and an aperture provided by a plate all lodged in a housing that is placed so that the lens is in proximity with each...
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5615044 |
Binocular telescope
A binocular telescope includes adjustable optical components. The telescope has at least two telescope halves, respectively having an optical axis passing through an ocular and an objective. The...
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5508846 |
Wide field of view objective lens assembly
An objective lens assembly provides up to 60 degrees field of view for the NVIS image intensifier goggle. A first lens subassembly positioned on the focal axis faces a external view and...
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5485307 |
Binoculars
A binocular includes an eye-piece tube, a first lens system associated with the eye-piece tube for providing a base magnification as seen through the eye-piece tube, and an eye-piece module having...
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5455711 |
Magnification lens coupling device for a night vision assembly
A coupling device and associated method for coupling an unassociated afocal optical assembly to a night vision apparatus in order to alter the optical power normally associated with the night...
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5361162 |
Night vision device
A binocular night vision device includes a pair of night vision monocular scopes which adjustably depend from a support frame in front of a user's eyes. The support frame includes an interpupillary...
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5321547 |
Monocular telescope
A monocular telescope in which the beam path is so laid out that the casing may be flat in the direction of view, and the optical axis of the beam path in the casing describes a somewhat...
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5267079 |
Binoculars including separate focusing and diopter adjustment
Binoculars having a central device for focusing and diopter adjustment wherein the diopter adjusting wheel is integrated into the face of the focusing drive wheel, whereby the focusing and the...
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5231535 |
Simultaneous individual focus binoculars
Binoculars capable of simultaneous individual focus and simultaneous individual focus mechanisms therefor are discussed. The binoculars of the present invention are preferably offset hinged in the...
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5212591 |
Focusing mechanism for binoculars
In binoculars employing a pair of telephotographic optical systems with their respective optical axes being arranged in parallel to each other, the telephotographic optical systems having a lens...
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5206758 |
Binoculars with variable and fixed focus adjustments
A pair of binoculars in which the ocular abridgements are connected through a bridge and can be activated through a center drive. The center drive comprises a rotatable knurled element and a guide...
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5074652 |
Glasses-on binoculars with an eyeglass guard including a generally ovular-shaped eyeglass lens engaging generally planar surface
A binocular or other optical viewing instrument dedicated for eyeglass-wearing users. An extended optical eye relief, as compared to binoculars for those without glasses, provides an...
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5062698 |
Focusing device for a binocular instrument
A focusing device for a binocular instrument can include a single focusing drive means provided between right and left ocular lenses so as to simutaneously move the right and left ocular lenses...
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5028123 |
Focal-length adjusting assembly for binoculars
The present invention relates to a focal-length adjusting assembly for a pair of binoculars which adjusts the eyepieces relative to the optics and which can hold the adjusting screw or rod in a...
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4998357 |
Binocular telescopr with radially acting compensating spring
The binocular telescope has in each barrel a focusing member (internal focusing) which is joined to a support guided on a guide rod. When a control knob is actuated, this support is displaced...
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4989963 |
Binocular telescope with coupled joint focusing and uncoupled separate focusing
The binocular telescope with internal focusing and articulated bridge contains as a joint focusing mechanism two setting rings which can be coupled and which are arranged co-axially on a central...
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4955702 |
Fixed focus binocular with visual acuity compensating mechanism
A pair of binoculars including a mechanism for adjusting the optical distance between objective lenses and ocular lenses so as to set the focus to the user's visual acuity. The visual acuity...
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4886340 |
Optical device for precision work
An optical device comprising a wearing member to be attached to the body of the user, a first lens holder provided on the wearing member and having attached thereto a pair of eyepiece concave...
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4842395 |
Finder of variable magnification
The disclosed variable magnification finder includes, from front to rear, a first lens unit of negative power, a second lens unit of positive power, a third lens unit of positive power, the first,...
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4770519 |
Drinking cup adaptable into binoculars
A novel drinking cup adaptable into binoculars consisting of a stackable, truncated conical frustum shaped drinking cup having a pair of spaced apart ocular lenses on one slanted side and a pair of...
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4673260 |
Stereoscopic optical device
Stereoscopic binocular apparatus comprising first and second optical axes and means for arranging the first and second optical axes in the plane defined thereby whereby they converge at the...
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4650297 |
Binocular optical system with automatic focusing mechanism
Auto-focus binoculars in which only the center portion of the image viewed through the ocular lenses of the binoculars is used for focusing. Light admitting windows are formed adjacent right and...
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4606618 |
Optical device which is convertible to a toy robot
A pair of binoculars which is convertible to a toy robot. The binoculars have a body to which leg tubes are attached, each leg tube having an ocular lens inserted in one end and an objective lens...
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4548481 |
Variable magnification observation optical device
A variable magnification observation optical device comprises an objective lens, an eyepiece disposed rearwardly of the objective lens, a magnification changing lens disposed between the objective...
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4531817 |
Focus adjusting device in binocular
A binocular is provided with a double-cam mechanism between an operation member and an eyepiece portion. The rotation of the operation member is converted by the double-cam mechanism into an axial...
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4436387 |
Lens group shifting mechanism for zoom binoculars
A mechanism for longitudinally shifting a shiftable lens group in a zoom lens system, including a lever pivotally mounted in a frame having a rotatable pin on each end thereof, a terminal member...
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4428651 |
Click-stop focusing of binoculars
In binoculars including focusing means comprising an adjustable, rotatable focusing knob operatively associated with focus adjustment means, whereby rotation of the knob adjusts the focus...
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4329013 |
Binocular telescope with internal focusing
Disclosed is a binocular telescope with internal focusing, comprising two telescope tubes, each having an ocular end and an objective end; a double joint bridge connecting the two telescope tubes;...
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4293187 |
Binocular optical system with automatic focussing
Binoculars including an automatically focussed optical system in which portions of the two incoming light beams are diverted to an automatic focussing module by two mirrors, one of which is fixed...
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