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WO/2016/104331A1 |
This projection lens barrel is provided with a projection optical system for forming an image from imaging light on a target projection surface, the projection optical system having a plurality of lenses, and a reflecting optical element...
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WO/2016/104747A1 |
Provided is a variable magnification optical system comprising: a first lens group (G1) that is arranged closest to the object side and that has a positive refractive power; a negative lens group (G2) that is arranged further toward the ...
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WO/2016/104771A1 |
A variable-power optical system has: a first lens group (G1) having a positive refractive power, the first lens group (G1) being arranged furthest toward the object side; a negative lens group (G2) having a negative refractive power, the...
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WO/2016/104742A1 |
Provided is a variable magnification optical system comprising: a first lens group (G1) that is arranged closest to the object side and that has a positive refractive power; a negative lens group (G2) that is arranged further toward the ...
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WO/2016/104785A1 |
This variable magnification optical system has a first lens group (G1) that is disposed furthest to an object side and has a positive refractive power, a negative lens group (G2) that is disposed further to an image side than the first l...
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WO/2016/104793A1 |
This variable power optical system has: a first lens group (G1) having positive refractive power and being arranged farthest towards the object side; a negative lens group (G2) having negative refractive power and being arranged to the i...
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WO/2016/089674A1 |
The present invention provides microscopes and optical devices able to provide improved spherical aberration correction through the combined use a first optical system which comprises a common moveable or deformable rear lens system whic...
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WO/2016/072891A1 |
The present specification generally relates to the field of optical systems for lasers and particularly discloses a system for focusing of a high energy laser at an extended distance and particularly discloses an optical system that comp...
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WO/2016/066076A1 |
Provided is an adjusting device, which is an optical system with a light incident surface (341, 381, 171) and a light emergent surface (312, 352, 132) being a pair of parallel planes and is placed in an exposure device. The adjusting dev...
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WO/2016/062230A1 |
An optical imaging lens, comprising: a first lens (L1), the first lens (L1) having negative power; a second lens (L2), the second lens (L2) having positive power; a third lens (L3); a fourth lens (L4), the third lens (L3) and the fourth ...
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WO/2016/061659A1 |
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...
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WO/2016/051969A1 |
The purpose of the present invention is to make a medical-use stereoscopic microscope optical system and a medical-use observation device small and light, and make images high-resolution. From the object side to the image side, an object...
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WO/2016/051672A1 |
This zoom lens system has a plurality of lens groups each being constituted of at least one lens element, and comprises, in order from an object side to a top side, a first lens group having negative power, a second lens group having pos...
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WO/2016/049781A1 |
An adjustment device and associated method is disclosed, for adjusting an equipment, such as a camera, having an actuator for adjusting a variable setting, such as a lens setting (focus, iris, zoom). A control system drives the actuator ...
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WO/2016/044949A1 |
Methods, systems, and techniques for adjusting camera focus to facilitate infrared imaging are employed to account for a difference in wavelength between visible and infrared light to permit sharp imaging regardless of whether imaging is...
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WO/2016/047129A1 |
A zoom lens according to the present invention has: a first lens group (G1) having positive refractive power; a second lens group (G2) having negative refractive power; a third lens group (G3) having positive refractive power; a fourth l...
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WO/2016/047084A1 |
Provided is a lens system comprising a plurality of lens groups each of which is configured with at least one lens element, wherein the lens system is formed in order from the object side to the image side from a first lens group having ...
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WO/2016/035119A1 |
Provided is a rear-type wide converter lens for reducing the focal point distance of an optical system by being attached to the image side of a master lens, said optical system including the master lens. The rear-type wide converter lens...
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WO/2016/031256A1 |
A variable magnification optical system comprising a first lens group (G1) having positive refractive power, a front-side lens group (GX), an intermediate lens group (GM) having positive refractive power, and a rear-side lens group (GR),...
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WO/2016/019823A1 |
A zoom lens comprises 20 pieces of lens made of glass and a diaphragm, wherein the surfaces of the lens are spherical surfaces. A front fixed group (01) with a positive focal power, a zooming group (02) with a negative focal power, a com...
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WO/2016/017724A1 |
The variable-power optical system according to the present invention has, along an optical axis and in order from an object, a first lens group having a positive refractive power, and at least one lens group, an interval between the firs...
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WO/2016/017725A1 |
The present invention has, in order from an object, a first lens group G1 having a negative refractive power, a second lens group G2 having a positive refractive power, and at least one lens group G3, an interval between the first lens g...
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WO/2016/017723A1 |
The variable power optical system of the present application has, in order from a body side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, and a third lens group ...
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WO/2016/017727A1 |
The variable power optical system according to the present invention has: a first lens group (G1) that is arranged closest to the object side; a first focusing lens group (Ga) that is arranged closer to the image side than the first lens...
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WO/2016/017726A1 |
The present invention has a first lens group G1 having a positive refractive power arranged furthest toward an object, and an image-side lens group arranged on an image side relative to the first lens group G1, an interval between at lea...
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WO/2016/015978A1 |
The invention relates to a modular zoom microscope with a replaceable objective (03, 13), a zoom assembly (04) with at least two movable lens groups, said assembly being arranged downstream of the objective (03, 13) in an observation bea...
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WO/2015/196965A1 |
A chromatic aberration-free wide angle lens for a headgear, comprising a casing, a biconvex lens (1), and a biconcave lens (2). The biconvex lens (1) and the biconcave lens (2) are arranged in parallel in the casing and the biconcave len...
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WO/2015/190540A1 |
To obtain a zoom lens easily performing image blur correction and maintaining optical performance while performing image blur correction while restricting an increase in size of the lens. A zoom lens including, in order from an object si...
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WO/2015/184412A1 |
Configurations are disclosed for presenting virtual reality and augmented reality experiences to users. The system may comprise a spatial light modulator operatively coupled to an image source for projecting light associated with one or ...
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WO/2015/178867A1 |
This invention concerns a multipurpose imaging device (10) that can take images in different wavelengths (multispectral), that can be integrated into cell phones and portable imaging systems, that permits collecting, saving and sharing d...
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WO/2015/178095A1 |
Provided are a zoom lens and an image-capturing device having the same. The zoom lens is reduced in size and weight with various types of aberrations corrected while having a sufficiently wide angle of view. The zoom lens includes a fron...
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WO/2015/173261A1 |
The invention relates to a device for changing lenses for a photography device having a device lens, which is in particular not optically adjustable, having a base support which can be fixed in a known relative position to the photograph...
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WO/2015/170745A1 |
In the present invention, an erecting unit magnification relay lens comprises the following in order from the object side: a first lens group having a positive power and disposed near the object side; a second lens group disposed at a pr...
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WO/2015/170071A1 |
The following invention relates to an optical device for use in a system that requires optical zoom or focus abilities, particularly for providing pre-set zoom parameters with a very low energy requirement -There is provided an optical m...
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WO/2015/163671A1 |
An image pickup apparatus includes lens elements, and image pickup regions respectively disposed in correspondence to the lens elements. At least two of the lens elements have different diameters. At least two of the image pickup regions...
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WO/2015/163368A1 |
This variable power optical system has, in order from the object side along the optical axis: a first lens group having positive optical power; a second lens group having negative optical power; a third lens group having positive optical...
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WO/2015/162883A1 |
This system has, arrayed in order from the object side along the optical axis, a first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G3) having positive r...
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WO/2015/162147A1 |
The present disclosure concerns a photolithography apparatus (100) and method for controlling relative image size (S1/S0) of a projected substrate pattern (W). A projection system (10) is arranged for projecting an image of a mask patter...
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WO/2015/153497A1 |
Target designs and methods are provided, which relate to periodic structures having elements recurring with a first pitch in a first direction. The elements are periodic with a second pitch along a second direction that is perpendicular ...
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WO/2015/151718A1 |
Provided are a zoom lens device and a method for controlling such device, capable of reducing astigmatism regardless of the position of the zoom lens. In accordance with a zoom command, a lens constituting a zoom optical system is moved ...
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WO/2015/146175A1 |
The present invention includes, in order from the object side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) having a negative refractive ...
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WO/2015/146177A1 |
The present invention 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, a third lens group (G3) having a negative refractive ...
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WO/2015/146176A1 |
The present invention comprises, in order from the object side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, and a third lens group (G3) having a positive refrac...
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WO/2015/146067A1 |
A zoom-lens system that has, in order from the object side to the image side, a first lens group that has positive power, a second lens group that has negative power, and a trailing lens group comprising at least three lens groups. The t...
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WO/2015/141574A1 |
This variable magnification optical system has, in sequence from the object side along the optical axis, a first lens group having a positive refractive index, a second lens group having a negative refractive index, and a third lens grou...
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WO/2015/136988A1 |
This zoom lens has, in order from the object side, a negative first lens group (G1), a positive second lens group (G2), a negative third lens group (G3), and a positive fourth lens group (G4). When changing the magnification of this zoom...
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WO/2015/129230A1 |
Provided is a dome camera comprising: a camera main body which can rotate and which has a lens system and an image pickup element; a compensation optical system having a curved shape; and a dome cover which covers the camera main body an...
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WO/2015/126710A1 |
A zoom lens (8) includes an optical path (12) extending between object and image ends (14, 16), two or more zoom lens groups (23, 24, 25), an intermediate real image plane (28) in optical path (12), and all zoom lens groups (23, 24, 25) ...
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WO/2015/125480A1 |
This optical system includes an objective optical system (O), a relay optical system (R), and an eyepiece optical system (E), in that order from the object side. The relay optical system is provided with a first lens group (G1) having po...
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WO/2015/107912A1 |
An optical system (ZL) that makes imaging in a plurality of object-side media (e.g., air and water) having different refractive indexes possible, wherein: the optical system comprises, in order from the object side, a front-side lens gro...
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