Abstract: A system, method, and device for configuring an optical aiming device for ballistic drop compensation (BDC). The optical aiming device can include a housing with a reticle pane defining a reticle display field viewable by a user and indicating a zero point, the housing further including a plurality of axially spaced lenses and defining an optical path therethrough. In various embodiments the system includes a display device configured to project an image generated from a display, a processor, and a non-transitory computer readable storage medium. The computer readable data storage medium can include instructions executable by the processor to receive a first set of ballistics input data indicating a first type of ammunition, determine a BDC pattern including at least two holdover marks corresponding to at least two ranges for the first type of ammunition, and project the BDC pattern onto the reticle display field.

Abstract: The technology relates to a long-range optical device for a firearm with an objective and an eyepiece, through which an observation beam path is formed for aiming at a target, the long-range optical device further comprising an opto-electronic display device, wherein the display device comprises an LCoS display for displaying variable data or a target mark, wherein a display beam path of the display device runs at least partly in the observation beam path for displaying the remote object.

Abstract: Aspects of the embodiments include an optical device comprising a housing; and an afocal lens assembly comprising a zoom lens in the housing, the zoom lens supported in the housing to move along a long axis of the housing. The afocal lens assembly can also include an objective lens configured to move synchronously with the zoom lens based on rotation of a zoom+focus adjustment knob coupled to a lens driving mechanism.

Abstract: An imaging correction unit and an imaging module are provided. The imaging correction unit has an optical axis and includes four wedge optical elements with the same structure. The wedge optical elements are disposed sequentially on the optical axis. Each of the wedge optical elements has a minimum thickness dimension at a first edge and a maximum thickness dimension at a second edge. A connection line between the first edge and the second edge forms a symmetry axis of the each of the wedge optical elements. When a beam transmitted along the optical axis of the imaging correction unit passes sequentially through the wedge optical elements and is imaged at a center of an imaging surface, the symmetry axis of any one of the four wedge optical elements is at an angle of 90 degrees relative to the symmetrical axis of one of adjacent wedge optical elements.

Abstract: A zoom cell has a main zoom cell body having a central axis, at least two fingers extending from the main zoom cell body parallel to the central axis, and at least two grooves separating the at least two fingers. A zoom cell system has at least two zoom cells disposed in an erector tube, with the fingers of the at least two zoom cells pointed towards one another, with the at least two zoom cells positioned such that the fingers of a first of the at least two zoom cells align so as to correspond with at least one of the at least two grooves of the other of the at least two zoom cells.

Abstract: The invention discloses a selectable offset image wedge assembly and various methods for making and for use with any optical system having a circular lens and an objective, comprising a housing with a rear-facing end that mounts onto the objective and a forward-facing end with a circular wedge lens mounted therein that is coaxially aligned with the circular lens of the optical system, wherein, the wedge is adjustable to any predetermined clocking position after detachment from the optical system, allowing quick and repeated reattachment to the optical system to an approximately exact vertical orientation of a first image produced by the wedge lens and a second image produced by the circular lens of the optical system.

Abstract: A telescopic sight for a hand-held weapon comprises a housing for an optical system that presents a telescopic image to a user, and a zoom adjustment ring on the housing. The optical system has objective and ocular lens systems and between these an image erector lens system, and a sighting element bearing a graphic image pattern at either a first focal plane between the image erector lens system and the objective lens system or a second focal plane between the image erector lens system and the ocular lens system. An optical zoom system is linked to the zoom adjustment ring for effecting a change in magnification. The zoom adjustment ring is movable over the housing in opposite forward and rearward axial directions between a locked position and an unlocked position to adjust the zoom magnification. In the locked position interengaging formations between the ring and housing slides into engagement.

Abstract: An observation optical system 10 is provided with an objective optical system LO, an inversion optical system PR provided in the objective optical system LO or immediately posterior to the objective optical system LO to invert an inverted image to an erected image, and an eyepiece optical system LE arranged so as to be the closest to a pupil EP to observe the erected image, the observation optical system satisfying following conditional expressions 1.6<f×N/L<2.5 . . . (1) and |D/H|<3 . . . (2) Herein, a value f represents a focal length of the objective optical system LO, a value N represents a refractive index on a d-line of the inversion optical system PR, a value L represents an optical path length of the inversion optical system PR, a value D represents a maximum height from an optical axis AX in an incident light ray on the object side of the inversion optical system PR, and a value H represents an exit pupil radius.

Abstract: A camera for photogrammerty comprises a camera, a coupling element standardly provided on the camera, an adaptor for attaching a prism which is connectable with the coupling element, and a prism fixed to the adaptor for attaching the prism.

Abstract: A riflescope, a magnification ring for a riflescope and related methods are set forth herein. In one embodiment, a riflescope includes a main tube having an optical axis, an eyepiece, and a magnification ring associated with the eyepiece, the magnification ring being rotatable about the optical axis. In one embodiment, the magnification ring includes a collar rotatably coupled with the main tube and a rotatable ring disposed at least partially about the collar and being selectively positionable relative to the collar at a plurality of user-selected positions. The rotatable ring is releasably fixed to the collar at any of the plurality of user-selected positions. The rotatable ring also includes a protrusion extending radially from an outer surface of the rotatable ring.

Abstract: A lens adjustment device for a scope includes an elongated tubular body having an objective end portion and an eyepiece end portion so as to define a rotation axial therealong, a first lens group and a second lens group slidably and operatively assembled at the objective end portion and the eyepiece end portion respectively, a first controller arranged for controlling the first lens group and the second lens group, and a second controller arranged for controlling the second lens group individually. The first controller and the second controller are arranged adjacently with each other on the outer tubular casing of the scope facilitating the adjustment operation of the scope so as to enable one-hand operation.

Abstract: An actuator for a surgical instrument. The actuator including: a sliding tube; and a rotor arranged in said sliding tube; wherein the sliding tube has at one end a receiving cavity for a rotor positioning key, the receiving cavity being configured such that after the rotor positioning key has been positioned in the receiving cavity, and after the rotor positioning key has been twisted in the receiving cavity, the rotor positioning key is releasably locked.

Abstract: A scope for a rifle provides a wide field of view and safe eye relief. The scope includes an objective lens group and an ocular lens group, one lens of the ocular lens group being at least 10% greater in diameter than the first lens of the objective lens groups. Focal lengths of the lenses of the ocular lens groups satisfy relationships to provide safe eye relief and a proper distribution of power amongst the lens groups.

Abstract: A machine-vision system includes a modulated light source, an imaging pixel array, and a lens system. The modulated light source is configured to project light onto a subject. The imaging pixel array is configured to receive the light reflected from a locus of the subject and indicate distance to the locus. The lens system is configured to receive the light reflected from the subject and refract such light onto the imaging pixel array. The focal length of the lens system decreases with increasing angle of observation relative to a shared optical axis of the lens system and the imaging pixel array.

Abstract: System and method for sensor alignment. In one example, a reimaging optical system includes reimaging foreoptics positioned to receive and reimage incident electromagnetic radiation to produce an intermediate image plane and output an optical beam of the received incident electromagnetic radiation, an imaging optical apparatus positioned to receive the optical beam and focus the electromagnetic radiation of the optical beam onto a first focal plane, a first imaging sensor positioned at the first focal plane and configured to produce a first image responsive to receiving the electromagnetic radiation of the optical beam, an alignment object selectively positioned at the intermediate image plane and configured to superimpose an alignment tool upon the first image, and a controller coupled to the first imaging sensor and configured to perform an alignment process for the first imaging sensor based on at least a position of the alignment tool in the first image.

Abstract: A ball cage centered lens assembly is provided including an axially thick lens; an outer mechanical cell; an intermediate cage positioned between the axially thick lens and the outer mechanical cell; a plurality of deformable elements positioned within the cage, between the axially thick lens and the mechanical cell, and in contact with the axially thick lens and the outer mechanical cell.

Abstract: A binocular has a folding bridge for adapting the distance between the eyepieces to the interpupillary distance of the eyes of the user. A synchronous focusing of the two telescopes is brought about via a differential gear assembly which drives respective spindle drives for corresponding ones of the two telescopes. The conversion of the rotational movement into an axial linear displacement of the focusing element of the optics occurs only at the end of the corresponding spindle drive.

Abstract: The invention describes an observation device, having two tubular observation parts, wherein the longitudinal axes of the observation parts in the region of the ocular sides are spaced apart by a distance of at least 54 mm. At least one observation part has a flared portion on an external side, wherein the flared portion is located inside a subsection of between 20% and 80% of an overall length of the observation part. The flared portion lies in an annulus section having a normal distance to the optical axis of the objective of between 130% and 250% of the radius the objective lens.

Abstract: A magnification zoom sighting system is disclosed. One embodiment includes an objective lens group that produces an image of a distant object at a first focal plane, a zoom lens element that relays the image from the first focal plane to a second focal plane and varies an optical magnification of the image, an ocular lens group for viewing the image at the second focal plane, a magnification adjustment mechanism coupled to the zoom lens element for adjusting an optical magnification setting of the zoom lens element to adjust the optical magnification of the image, and a reticle having magnification indicia, disposed proximate the first focal plane and such that it is configured to be viewable through the ocular lens group in a field of view thereof and superimposed upon the image. The magnification indicia conveys the optical magnification setting of the zoom lens element.

Abstract: A reticle of a projectile-weapon aiming system such as a riflescope includes first and second series of secondary aiming marks spaced apart below a primary aiming point, the first and second series providing holdover aiming points for regularly incrementing target distances for respective subsonic and supersonic .300 AAC Blackout ammunition, or other differing types of ammunition, without requiring adjustment of the optics or settings of the aiming system.

Abstract: The general field provided is that of telescopes comprising an optical system and wavefront-analyzing placed in the focal plane of the optical system. The optical system comprises focusing optics and magnifying optics, the magnifying optics comprising a deformable mirror, the deformation of which is controllable. The telescope comprises monitoring the deformable mirror, comprising a source placed so that the image of the source, after reflection from the deformable mirror, is focused on the wavefront-analyzing. The monitoring comprises a movable mirror having two positions, a rest position and a monitoring position. The source may either be placed in the intermediate focal plane of the focusing optics, or at the focal point of a monitoring mirror, or even in the vicinity of the focal plane of the optical system.

Abstract: An optical sighting device and a method of providing magnification in the optical sighting device are disclosed. In one example, the optical sighting device comprises a first telescope including a first focal plane, a second telescope, comprising a first variable power lens group, a second variable power lens group, and a second focal plane positioned between the first and second variable power lens groups, and a rotary optical tumbler comprised of a Galilean telescope configured to rotate into and out of a optical path that extends through the first telescope, the Galilean telescope and the second telescope, the rotation being about an axis disposed relative to the optical path.

Abstract: Provided are an ocular zoom optical system which has a wide apparent field of view even on a low power side and in which aberrations are favorably corrected while a sufficient eye relief is secured over the entire zoom range, and an optical instrument including the ocular zoom optical system. The ocular zoom optical system 3 includes, in order from the object side: a first lens group G1 having a negative refractive power; a second lens group G2 having a positive refractive power; and a third lens group G3 having a positive refractive power and at least one aspheric surface. An intermediate image I? is formed between the first lens group G1 and the second lens group G2. During zooming, the third lens group G3 is fixed on the optical axis, and the first lens group G1 and the second lens group G2 are moved in directions opposite to each other with the intermediate image I? interposed therebetween.

Abstract: Sextant telescope with a zoom feature is a device in which one of two available magnification settings is selected by repositioning an internal lens between two mutually conjugate locations. An optional reticle of a specialized pattern helps the proper alignment of the observed horizon and celestial bodies in the field of view of the telescope for easier and more accurate measurements; the placement of the reticle in the first focal plane ensures proper scaling of its apparent size with telescope magnification.

Abstract: A telescopic sight has an objective lens system, an eyepiece lens system and an inversion system disposed in the optical path between the objective lens system and the eye piece lens system and pivotably supported by means of a height adjustment device, a lateral adjustment device, a reticle, and a projection means disposed at the end of the inversion system on the eyepiece side. The inversion system generates an image plane at the end on the eyepiece side having a perpendicular alignment relative to the inversion system optical axis. The projection means generates a projection in the field of view of the sight, which is located in a projection plane, wherein the projection plane is aligned perpendicularly relative to the optical axis and in the image plane of the inversion system. A display means allocated to the inversion system generates information and/or an a target mark in the projection plane.

Abstract: A method is used to determine an aiming point for a sighting system used by a shooter to shoot a target. The method includes receiving a range signal that corresponds to a distance from the shooter to the target. A first position signal is received from a magnification system sensor. A first magnification setting based at least in part on the first position signal is then determined. Thereafter, a first aiming point based at least in part on both of the range signal and the first magnification setting is determined.

Abstract: A far-optical device comprising a reversal system and an adjustable optical magnification means with more than fourfold magnification, wherein the far-optical device has an optical beam deflection means which at all magnifications ensures a subjective field of view of the far-optical device of at least 22° at least for light of a wavelength of about 550 nm.

Abstract: An optical system for generating an image of an object is provided. It has at least one objective, at least one lens erecting system and at least one eyepiece. The objective, the lens erecting system and the eyepiece are arranged along an optical axis of the optical system. The lens erecting system is arranged between the objective and the eyepiece. The objective has at least two optical units which, for magnifying the image, are configured to be displaceable along the optical axis.

Abstract: Liquid lens cells are used in a compound variable power optical system that forms an intermediate image between the object and the final image. A first variable power optical component is located between the object and an intermediate real image. The first variable power optical component varies power to change the magnification of the intermediate real image. A second variable power optical component is located between the intermediate real image and the final image. The second variable power optical component varies power to change the magnification of the final image. At least one of the first and second variable power optical components is stationary on the optical axis and comprises at least two liquids with different refractive properties and at least one variable shape contact surface between the two liquids, with variations in the shape of the contact surface producing a change of optical power in the optical system.

Abstract: A sighting apparatus for displaying a magnification value is described.

Abstract: A multi-magnification viewing and aiming scope includes a first imaging group including an objective lens and an eyepiece lens lying on the optical path. The first imaging group forms a first image having a first magnification on the optical path at an image location. A second imaging lens group is controllably inserted into the optical path between at least some elements of the objective lens and the eyepiece lens. Upon insertion of the second imaging lens group into the optical path an optical combination of the first imaging group and the second imaging lens group forms a second image having a second magnification on the optical path at substantially the image location. The insertion may be accomplished by a tumbler mechanism upon which the second imaging lens group is mounted for pivoting the second imaging lens group about an axis perpendicular to the optical path.

Abstract: Provided is an optical processing device including: a beam emission portion which comprises a plurality of optical fibers; a plurality of collimating lenses to which a beam emitted from the optical fibers are incident; a dispersion element which disperses the beam emitted from one optical fiber among the plurality of optical fibers; and an optical path conversion optical system which converts an optical path of the beam passing through the dispersion element and allows the beam to be incident to another optical fiber among the plurality of optical fibers, wherein the plurality of collimating lenses is installed in series in the optical path direction of the beam emitted from the optical fiber, and wherein a distance between at least two collimating lenses are adjustable in the optical path direction.

Abstract: The invention relates to improving optical properties of optical instruments with variable magnification, such as zoom binoculars, reducing the weight thereof, and enabling the user to change magnifications quickly. The invention provides an optical instrument with a focal length-varying lens 4 disposed on the optical axis between an objective lens 7 and an eyepiece 3, further having an adjusting lens 5 for adjusting optical properties when the focal length-varying lens is in an area to provide high magnification. The adjusting lens is supported so that it is capable of moving between a location on the optical axis and a location off the path of light beams. Interlocked with a magnification-varying mechanism that controls the position of the focal length-varying lens, the adjusting lens is moved to the on-the-axis location when the focal length-varying lens is in an area to provide high magnification, and to the off-the-axis location when low magnification.

Abstract: An optical sighting device includes an electronic controller that is responsive to changes in an optical magnification of the sighting device to resize at least a portion of a reticle produced by an electronic display or other means proximate a focal plane of the sighting device. In some embodiments, the reticle is located proximate a rear focal plane of the sighting device and may be scaled by the electronic controller in concert with changes in optical magnification to simulate a front focal plane reticle. A functional pattern of the reticle may also be automatically changed at different magnification settings to provide different types of reticles, such as CQB and sniper reticles, in a single optical device.

Abstract: This invention teaches a telescopic gun sight with a reticle placed at the first focal plane such that the apparent size of the reticle remains substantially invariant when the sight's magnification is changed. According to one embodiment, a telescopic gun sight comprises an objective lens, a magnification-invariant reticle, an image relay means with variable magnification, and an eye piece. The magnification-invariant reticle is designed in accordance to the invention such that its apparent size is not affected by change in the sight's magnification. This invention combines the benefits of telescopic gun sights with first focal plane reticle and second focal plane reticle in a single design.

Abstract: A telescope made up of mutually connectable modules, which telescope comprises at least a lens module and an eyepiece module, and the lens module and eyepiece module each have a connection interface for connecting the modules, and at least one adjusting means for focusing and at least one adjusting means for changing the image magnification are provided, and one of the adjusting means is disposed on the lens module in the region of the connection interface of the lens module and the other one of the adjusting means is disposed on the eyepiece module in the region of the connection interface (5) of the eyepiece module.

Abstract: A telescope made up of mutually connectable modules, which telescope comprises at least a lens module and an eyepiece module, and the lens module and eyepiece module each have a connection interface for connecting the modules, wherein an optical system for changing the image magnification is integrated in the lens module.

Abstract: A telescope made up of mutually connectable modules, which telescope comprises at least a lens module and an eyepiece module, and the lens module and eyepiece module each have a connection interface for connecting the modules, wherein an eyepiece and a zoom unit for changing the image magnification and a unit for reversing the image are integrated in the eyepiece module.

Abstract: The present invention relates to a variable magnification device and a telescopic sight using the same, and more particularly, to a variable magnification device which is capable of easily adjusting a magnification of a telescopic sight. The variable magnification device includes: a rotation bunch which has a ring shape conforming to the circumference of a barrel of a telescopic sight and includes a bent end formed on one side of the circumference of the rotation bunch; and a rod which is connected to the bent end and is bendable in the longitudinal direction of the barrel. The magnification of the telescopic sight can be adjusted with an aiming posture maintained, thereby allowing immediate hit on a target. In addition, a leverage effect can be used to easily and finely adjust the magnification of the telescopic sight with one hand, thereby preventing distortion of an aiming posture as maximally as possible.

Abstract: A far-optical device comprising a reversal system and an adjustable optical magnification means with more than fourfold magnification, wherein the far-optical device has an optical beam deflection means which at all magnifications ensures a subjective field of view of the far-optical device of at least 22° at least for light of a wavelength of about 550 nm.

Abstract: Various embodiments described herein comprise a scope for a firearm having a large range of zoom. The scope comprising a movable zoom selector for adjusting magnification of an image viewed through the scope. The scope further comprises an objective, an ocular, and an erector assembly positioned between the objective and ocular. The erector assembly comprises at least three optical elements movable relative to one another in response to operation of the zoom selector.

Abstract: An optical sighting device having a compound zoom system preferably includes two or more lens erector assemblies that are each adjustable to modify the optical power of the optical sighting device. A prism erector assembly may also be included. An odd number of erector assemblies preferably creates a viewable image that has the same orientation as the real object being viewed through the optical sighting device.

Abstract: An optical sight includes an outer barrel unit, an objective lens unit, an ocular lens unit, a magnification unit, a range-finding module, and a display unit. The objective lens and the ocular lens unit are mounted to front and rear ends of the outer barrel unit, respectively. The magnification unit is disposed between the objective lens unit and the ocular lens unit. The range-finding module is disposed on the magnification unit, and includes alight emitter, alight receiver, and a micro processing unit. The display unit is disposed in the outer barrel unit, and includes a seat mounted adjustably between the magnification unit and the ocular lens unit, and a transparent display secured to the seat and coupled electrically to the micro processing unit. The transparent display has an aiming indicator, and a message indicator for visual indication of a range calculated by the micro processing unit.

Abstract: Various embodiments described herein comprise a scope for a firearm having a large range of zoom. The scope comprising a movable zoom selector for adjusting magnification of an image viewed through the scope. The scope further comprises an objective, an ocular, and an erector assembly positioned between the objective and ocular. The erector assembly comprises at least three optical elements movable relative to one another in response to operation of the zoom selector.

Abstract: A telescope optical system TL comprising, in order from an object side: an objective lens 1; an erecting prism 2; and an eyepiece 3; the objective lens 1 comprising, in order from the object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, and a third lens group G3 having positive refractive power, focusing being carried out by moving the second lens group G2 along an optical axis, and an image position being movable by moving the third lens group G3 in a direction perpendicular to the optical axis, thereby providing a telescope optical system having optimum optical performance for a telescope.

Abstract: A far-optical device comprising a reversal system and an adjustable optical magnification means with more than fourfold magnification, wherein the far-optical device has an optical beam deflection means which at all magnifications ensures a subjective field of view of the far-optical device of at least 22° at least for light of a wavelength of about 550 nm.

Abstract: The invention relates to a device for fading an image into the beam path of an aiming optics, having an at least partially transparent optical support element which is arranged in the beam path of the aiming optics and has at least one diffractive optical coupling element and at least one diffractive optical decoupling element, the at least one diffractive optical coupling element leading light of the image to be faded in, which light is incident on said coupling element and is to be coupled in, through the optical support element to the at least one diffractive optical decoupling element for the purpose of superposition with the beam path. The image to be faded in is imaged into the beam path of the aiming optics by the at least one diffractive optical coupling element and the least one diffractive optical decoupling element.

Abstract: A far-optical device comprising a reversal system (1) and an adjustable optical magnification means with more than fourfold magnification, wherein the far-optical device has an optical beam deflection means (2) which at all magnifications ensures a subjective field of view of the far-optical device of at least 22° at least for light of a wavelength of about 550 nm.

Abstract: Provided is a sighting apparatus capable of displaying a value of magnification. The sighting apparatus includes a magnification generation module, a controller and a display unit. The magnification generation module includes a magnification pattern, which contains multiple values of magnification, and a sensing unit. When the magnification pattern is rotated, the sensing unit detects one of the magnification values from the magnification pattern. The magnification generation module generates a magnification signal corresponding to the magnification value. The controller functions to transform the magnification signal and the display unit displays the value of magnification corresponding to the magnification signal.

Abstract: An optical system for imaging an object on an image acquisition unit has a variable focal length for zooming. The optical system has precisely three lens units from the object in the direction of an image acquisition unit, namely a first lens unit, a second lens unit, and a third lens unit. The second lens unit and the third lens unit are movably situated along an optical axis of the optical system for a change of the focal length. The first lens unit includes a first lens group and a second lens group. The first lens group of the first lens unit is fixedly situated on the optical axis of the optical system. The second lens group of the first lens unit is movably situated along the optical axis of the optical system for focusing. The second lens group includes at least two lenses.