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Class 359/422 - Variable magnification


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein the telescope continuously varies
No. of patents: 131
Last issue date: 11/08/2011


1        
NumberTitleIssue Date
8054544Far-optical device
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 ...
11/08/2011
8049959Scope with improved magnification system
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 ...
11/01/2011
7944611High zoom ratio optical sighting device
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 erec...
05/17/2011
7742228Far-optical device
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 sub...
06/22/2010
7684115Telescope with variable magnification
A description is given of a telescopic sight with variable magnification, comprising a fixed objective and first image plane assigned thereto, a variable system with second image plane assigned thereto, and a fixed eyepiece for viewing the second image plane and tha...
03/23/2010
7327513Method and apparatus for viewing target
Apparatus and method for viewing a target. A primary lens produces an image plane of the target, and an optical magnifier in an optical path of the primary lens magnifies a region of the image plane, providing a magnified image. A detector receives the magnified ima...
02/05/2008
7286287Visual 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 focal length of the lens systems for sharp focussing thereof ...
10/23/2007
7259909Image-inverting prism device with double uses for a telescope
An image-inverting prism device with double use for a telescope includes a prism contained in a housing formed of two semi-housings. The housing has a first end for connecting a lens, the first end being provided with three different diameter threaded stepped surfac...
08/21/2007
7256933Multi-purpose optical corrector system
An optical corrector system optical system comprising two components, a first housing supporting therein a telenegative-type lens, and a second housing supporting therein a positive-type lens. The first housing is adapted to be coupled to a telescope in a manner so ...
08/14/2007
7246461Telescopic sight adjustment device
A motorized telescopic adjustment device 10 is disclosed which is connected to an adjustment ring 6 of a telescopic sight 4 for firearms 2 or the like including: a battery 12, a motor 14 with a switch 16 electronicall...
07/24/2007
7222432Method of assembling reticle module
A method of assembling a reticle module comprising a first element and a second element is provided. The method includes the following steps. First, a collimated beam of light shines on a first reticle of the first member and a second reticle of the second member to...
05/29/2007
7209295Optical system, and optical apparatus
The invention relates to an optical system that has reduced power consumptions, ensures noiseless operations and fast responses, contributes to cost reductions due to simplified mechanical structure, and, albeit having a small outside diameter and small size, is cap...
04/24/2007
7206129Real image type zoom finder, and imaging system incorporating the same
A real image type zoom finder that, albeit being reduced in size and thickness, can gain high enough zoom ratios and an imaging system equipped with such a real image type zoom finder. The real image type zoom finder comprises an objective optical system, an image-e...
04/17/2007
7099076Binoculars with light-shielding mechanism
There is provided binoculars which include a pair of observation optical systems each having an objective optical system, an erecting optical system and an eyepiece optical system. The binoculars include a focusing mechanism that is used to move a part of observatio...
08/29/2006
7092155Optical device
An optical device includes an optical system mount plate, a casing, and a screw-hole forming part. An optical system is mounted on the optical system mount plate. The optical system mount plate is housed in the casing. The screw-hole forming part is provided on a bo...
08/15/2006
7092144Mirror assemblies incorporating variable index of refraction materials
A mirror assembly including an active lens and a reflective surface. The mirror assembly may change its refractive index when a voltage is applied to the active lens, thereby changing the field of view in the lens. Exemplary applications include a blind spot system ...
08/15/2006
7085048Real image type variable magnification finder and imaging apparatus using the same
A real image type variable magnification finder comprises, an object optical system having positive refracting power which forms an objective image as a middle image, a view frame arranged near a position of the middle image, and an eyepiece optical system having po...
08/01/2006
7061684Finder optical system and camera provided with the same
An observation optical system of the present invention comprises an image erect optical system and an eyepiece optical system for observing an object image. The eyepiece optical system comprises a positive single lens having double convex surfaces and a negative men...
06/13/2006
7019896Polar-axis telescope and equatorial telescope mount including the same
The polar-axis telescope has an objective lens, a focal plate, an eyepiece, a zoom optical system, and a zoom optical system driver. The objective lens forms an object image, and the focal plate is arranged on a focal plane of the objective lens. The eyepiece is arr...
03/28/2006
6995905Sighting telescope
A sighting telescope has an inner tube that moves transversely of the telescope axis relative to an outer tube, and operating elements arranged mutually at an angle for transversely displacing the inner tube. In an embodiment of the invention, the outer tube has an ...
02/07/2006
6937391Optical 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 a photographing lens system associated with each other such that an ...
08/30/2005
6930831Vari-focal polar alignment scope
A vari-focal polar alignment scope includes an objective optical system, a relay optical system, and an eyepiece optical system, in that order from the object side. The relay optical system includes an erecting vari-focal viewing optical system, including a positive...
08/16/2005
6927894Mirror assemblies incorporating variable index of refraction materials
A mirror assembly including an active lens and a reflective surface. The mirror assembly may change its refractive index when a voltage is applied to the active lens, thereby changing the field of view in the lens. Exemplary applications include a blind spot system ...
08/09/2005
6927906Binocular telescope with photographing function
A binocular telescope with a photographing function includes a pair of telescopic optical systems, a casing for receiving the telescopic optical systems, and the casing has outer-side end portions. A camera system includes a photographing optical system, and a solid...
08/09/2005
6867917Real-image finder optical system
A real-image finder optical system includes a positive objective optical system, an erecting optical system, and a positive eyepiece optical system, thereby an object image, which is formed by the objective optical system, and is upside down and reversed from left t...
03/15/2005
6603608Variable focal length optical element and optical system using the same
An optical system capable of focal length adjustment and so forth with a simple arrangement in which a desired portion of an optical element is selectively utilized by moving an aperture in a direction approximately perpendicular to the optical axis. The ...
08/05/2003
6577449Telescopic zoom lens system
A telescopic zoom lens system has a minimum magnification thereof is more than 2, and includes a positive objective lens group, and a positive eyepiece lens group, in this order from the object. Further, a zooming lens group which is made moveable along t...
06/10/2003
6542294Binocular
A binocular, including a right and left lens barrels respectively having a right and left telescope optical systems, is provided with a space occupied by a movement member that moves lenses to vary at least magnification so as to reduce the size of the bi...
04/01/2003
6519083Power focusing device for a telescopic sight
A motorized, finger operated mechanism for focusing or otherwise adjusting a telescopic sight. The power focusing device generally includes a battery powered motorized focus mechanism operably attachable to the focusing ring of a telescopic sight, a wirel...
02/11/2003
6493153Mechanism for moving optical element of an optical system
First lens frame has first front and rear shaft bearings that engage with the first guiding shaft along the optical axis, and a second shaft bearing that engages with a second guiding shaft along the optical axis. The first front and rear shaft bearings a...
12/10/2002
6335826Interconnection of zoom operating member and zoom drive member
A gear is formed on the outer circumference of the disk unit 20a of the zoom operating member 20 and on the outer circumference of the right zoom drive member 18, and an intermediate gear 19 that engages and connects with each of these gears is located be...
01/01/2002
6292309Reflecting type of zoom lens
A zoom lens comprises a plurality of optical elements each of which includes a transparent body having two refracting surfaces and a plurality of reflecting surfaces and is arranged so that a light beam enters the transparent body from one of the two refr...
09/18/2001
6278544Real-image zoom finder optical system
A real-image zoom finder optical system in which the objective lens system, the condenser lens system, the erecting optical system and the eyepiece lens system are arranged in this order from the object. The objective lens system includes a negative lens ...
08/21/2001
6269580Motor-driven focusing apparatus of a sighting telescope
A motor-driven focusing apparatus of a telescope, includes a telescopic optical system which includes a focusing lens group guided along an optical axis; a motor-driven lens moving device which drives the focusing lens group along the optical axis; a manu...
08/07/2001
6259568Optical imaging system and graphic user interface
The invention relates to an optical imaging system for imaging an object with progressively adjustable magnification. The inventive system comprises an imaging plane for projecting an image field originating from the object and an imaging optical system s...
07/10/2001
6256144Real image mode variable magnification finder
A real image mode variable magnification finder has an objective optical system with positive refracting power, an image erecting optical system, and an ocular optical system with positive refracting power. The objective optical system has a first lens un...
07/03/2001
6246516Modular infrared kepler telescope
The invention is directed to an infrared Kepler telescope which includes an objective defining an optical axis and including a positive front group and a negative rear group all arranged on the optical axis. The objective further includes an interchangeab...
06/12/2001
6122101Optical device having dioptric correction device
An optical device having a dioptric correction device comprises a reference image display unit which is placed in the optical path extending from an object image to the optical system. The reference image is used for dioptric correction. The left and righ...
09/19/2000
6104532Real image mode variable magnification finder optical system
A real image mode variable magnification finder optical system is provided with an objective system having a positive refracting power, a correctly erect image forming system having a plurality of reflecting members for converting an intermediate image fo...
08/15/2000
6104531Telescopic sight with variable magnification
A telescopic sight with variable magnification includes an adjusting ring for varying the magnification. The telescopic sight housing and an eyepiece stub are arranged together in a single part. The adjusting ring is arranged between the eyepiece and an o...
08/15/2000
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