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7359131 |
Lens positioning systems and methods
An improved lens mount and related lens and lens barrel positioning methods are provided. In one example, a lens mount for use with a miniature camera can include a ring member having a...
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7327513 |
Method 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...
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7256933 |
Multi-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...
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7218444 |
Dual-band, dual-focal-length, relayed refractive imager
An imaging device includes a refractive imager lying in an optical path, and optionally a telescope that directs the optical path to the refractive imager. The refractive imager includes a first...
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7119955 |
Multi-aperture high-fill factor telescope
A multi-aperture high-fill-factor telescope is provided. Specifically a multi-aperture high-fill-factor telescope is provided that includes a plurality of sub-aperture telescopes, each sub-aperture...
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7110174 |
Relay telescope for high power laser alignment system
A laser system includes an optical path having an intracavity relay telescope with a telescope focal point for imaging an output of the gain medium between an image location at or near the gain...
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7023615 |
Structure for supporting an optical telescope
An apparatus for the focusing of incident light includes a base assembly that is adapted to support a primary mirror. The primary mirror includes an outside circumference and an inside aperture. An...
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6943946 |
Multiple aperture imaging system
A multiple aperture imaging system, that includes: a plurality of imaging elements for capturing light; an optical relay assembly for phasing the captured light; a means for diverting the captured...
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6930831 |
Vari-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...
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6253457 |
Laser beam direction correcting optical system for a surveying instrument
A laser beam direction correcting optical system for a surveying instrument comprises a laser light source (1) for emitting a laser beam, an exit angle correcting system (17) for correcting an exit...
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6233097 |
Secondary image formation type view finder including two half mirrors
A secondary image formation type view finder comprising an objective optical system, a first mirror for folding an optical axis, a relay lens system and a second mirror for folding the optical...
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6088156 |
Finder optical system
A finder optical system has an objective optical system for forming an intermediate image of an object and an eyepiece optical system, and is disposed independent of a photographing optical system....
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6018416 |
Secondary image formation type view finder
A secondary image formation type view finder comprising an objective optical system, a first mirror for folding an optical axis, a relay lens system and a second mirror for folding the optical...
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5956179 |
Replicated relay lens system
A relay lens assembly and a method for manufacturing a relay lens system for an endoscope includes the steps of providing at least one rod member having first and second curved end surfaces,...
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5764407 |
Displaying apparatus using spatial light modulation element
An display apparatus has an image displaying device for modulating light by a spatial light modulation element and displaying an image, a relay optical system for forming the image on an imaging...
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5703716 |
Re-imaging converter lens apparatus and method
Apparatus and methods are disclosed for re-imaging a primary image produced by a prime lens to form a positively demagnified secondary image at a secondary image plane, wherein the secondary image...
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5687023 |
Keplerian zoom finder optical system
A Keplerian zoom finder optical system comprises an objective lens group having a positive refracting power on the whole and constructed of, in order from an object side, a first lens unit having a...
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5576882 |
Endoscope
An endoscope comprising, in order from the object side, an objective optical system and image relaying optical systems disposed in a number of n, and using, in a (n-1)th or nth image relaying...
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5557458 |
Real image finder optical system
A real image mode finder optical system includes an objective lens, a relay lens, and an eyepiece. A plurality of reflecting surfaces is arranged between the objective lens and the eyepiece. At...
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5124837 |
Finder of real image type
A finder of a real image type has an objective lens unit having positive refracting power; a first condenser lens unit arranged in the vicinity of a focal face of the objective lens unit on an...
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4964686 |
Finder optical device
A secondary image forming type finder opitcal device having an objective lens solely used therefor, comprising, from front to rear, an objective lens unit including at least one positive lens, a...
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4729647 |
Retrofit optical turret with laser source
A retrofitted optical sight cluster system including a turret support structure defining a lower turret area and upper turret area sealed from the lower turret area, optics mounted onto the turret...
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4600277 |
Telescope with multiple image-viewing assemblies
A telescope system having a main housing and at least two interchangeable viewing assemblies. The main housing contains an objective lens assembly for producing an inverted primary image, a field...
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4432626 |
Single-lens reflex type viewfinder and method of adjusting the same
A single-lens reflex type viewfinder as for VTR cameras has a prism for deflecting a portion of light coming through a main camera lens along a first optical axis to pass through a viewfinder...
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4257670 |
Optical peephole device insertable in thick walls for panoramic viewing therethrough
An optical device insertable through a peephole in the thick wall of a chamber such as a bank vault, making it possible for an observer to obtain a panoramic view of objects dispersed within the...
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4027943 |
Solar prominence adapter
A solar prominence adapter comprises a tubular housing having a first end adapted for connection with the eyepiece holder of a conventional reflecting or refracting telescope and the other end for...
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3989349 |
Reflex finder
A camera of the reflex type comprises a view finder with an achromatic finder objective, an eyepiece, and an interposed inverting lens group. The finder objective includes a negative-meniscus lens...
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3967876 |
Telescopic gun sight
A telescopic sight for use on a firearm, which sight provides an eye relief of greater than about 3.0 inches and an exit pupil of greater than about 25 mm. so that the target as viewed through the...
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3945713 |
Image rotating optical system
In an optical system including an objective lens to form an image on a focusing plane and a relay lens system to carry the image to another focusing plane, an image rotating prism is inserted in...
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3788740 |
IMAGING SYSTEM
A lens strip optical system for use in a copying machine wherein the original to be copied is supported in a flat stationary condition and a flowing light image of the original is recorded upon a...
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3751133 |
COLOR SEPARATION OPTICAL SYSTEM
A color separation optical system having a mosaic shaped color filter provided with a transparent base body and having a dichroic filter provided on one of its sides so as to improve its...
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3722979 |
OPTICAL SYSTEM OF THE REAL IMAGE TYPE FOR FINDERS HAVING ASPHERIC SURFACES
A finder optical system of the real image type comprises four identical non-spherical lenses arranged on a single common optical axis and constituting, in the direction of incident light rays...
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3532416 |
INTERMEDIATE IMAGE FORMING SYSTEM FOR TELESCOPE
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3527516 |
RESTRICTED APERTURE WIDE ANGLE VIEWING SYSTEM
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3506332 |
AIR TO WATER VIEWING DEVICE
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3485547 |
OBSERVATION OR PHOTOGRAPHY DEVICES IN CLOSED SPACES AND IN PARTICULAR IN BUBBLE CHAMBERS
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3153690 |
Focusing telescope
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3151205 |
Viewing instruments with rotatably adjustable optical elements
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3045545 |
Optical system for sighting instruments
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3043181 |
Telescopic finder for motion picture cameras
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2719457 |
Scanning telescope having astigmatized pupil
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2662443 |
Erecting eyepiece with variable magnification
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2594970 |
Viewing device for radioactive materials
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2588414 |
Aspherical corrector lens for optical systems
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2570357 |
Periscope for motor vehicles
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2362333 |
Signaling apparatus
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2207124 |
Rifle-sighting telescope
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2146662 |
Sighting instrument
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1343025 |
Long-base single-observer range-finder
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1146428 |
Title is not available
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