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WO/2013/065250 |
A zoom-lens system provided with a first lens group having positive optical power, a second lens group having negative optical power, and a third lens group having positive optical power, in that order from the object side to the image s...
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WO/2013/065391 |
A variable-power optical system in which the cross-section perpendicular to the imaging surface, parallel to the minor-axis direction of the imaging surface, and including the optical axis is a first cross-section, and the cross-section ...
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WO/2013/065288 |
[Problem] To design a four-group zoom lens so as to minimize the change in angle of view when zooming and also achieve a sufficiently small form factor, sufficiently low weight, and sufficiently high performance. [Solution] This zoom len...
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WO/2013/065299 |
[Problem] To design a four-group zoom lens so as to minimize the change in angle of view when zooming and also achieve a sufficiently small form factor, sufficiently low weight, and sufficiently high performance. [Solution] This zoom len...
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WO/2013/065252 |
A zoom-lens system provided with a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, and a fourth lens group, in that order from the object side to the image side...
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WO/2013/065251 |
A zoom-lens system provided with a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, and a fourth lens group, in that order from the object side to the image side...
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WO/2013/065972 |
The present invention relates to an imaging lens, the imaging lens including, in an ordered way from an object side, a first movable lens having a positive (+) refractive power, a second lens having a negative (-) refractive power, a thi...
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WO/2013/061535 |
The present invention provides a zoom lens for projection, wherein the reduction side is telecentric, and various aberrations are satisfactorily corrected through the entire zoom range while compactness, a small F number, and a high zoom...
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WO/2013/061536 |
In a zoom lens for projection, the reduction side is made telecentric and has a small size, high versatility and excellent projection performance, while having a high zoom ratio and small F number. In the projection side zoom lens, there...
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WO/2013/057909 |
In order to provide a zoom lens for projection which exhibits excellent correction of field curvature due to focusing, even if the angle of view is widened, essentially, a zoom lens for projection is configured from: a first lens gr...
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WO/2013/057910 |
[Problem] To provide a zoom lens for projection, having a five-lens group structure, which exhibits excellent aberration correction even if the angle of view is widened. [Solution] Essentially, a first lens group (G1) having negative ref...
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WO/2013/052014 |
The present application provides a micromechanical (MEMS) based zoom lens system, for use in miniature device applications, such as miniature electronic imaging devices. The MEMS-based zoom lens system comprises at least four optical ele...
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WO/2013/045705 |
The invention relates to a display device, in particular for motor vehicle, comprising - a projection module and - an optical path, the optical path comprising at least one reflection element, the reflection element being designed to ref...
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WO/2013/044994 |
A method and device is described for compensating ambient temperature dependent magnification and focus change of a zoom lens system, whereby an ambient temperature compensation structure cooperates with a rotational ring and an optical-...
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WO/2013/038610 |
[Problem] A variable magnification optical system, wherein the variable magnification optical system maintains a small scale and large aperture ratio, can be used from the visible region to the near-infrared region, and has high optical ...
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WO/2013/038614 |
[Problem] To obtain a zoom lens that is more compact, lighter in weight, less susceptible to fluctuation in the angle of view during focusing, and capable of higher performance. [Solution] A zoom lens (1) comprises, in the stated order f...
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WO/2013/031109 |
[Problem] To enable satisfactory correction of distortion aberrations and readily achieve a wider angle while suppressing increase in various aberrations, in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a f...
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WO/2013/031186 |
[Problem] To enable satisfactory correction of distortion aberrations and various other aberrations in a more compact zoom lens having a two-lens configuration. [Solution] A zoom lens: having a first lens group (G1) having a negative ref...
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WO/2013/031178 |
[Problem] To enable satisfactory correction of distortion aberrations and various other aberrations, and readily achieve a wider angle in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a first lens group (G1)...
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WO/2013/031185 |
A zoom lens having a two-lens group structure, which has a low F value and enables excellent aberration correction. The zoom lens is configured by arranging a first lens group (G1) having a negative refractive power and a second len...
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WO/2013/031205 |
[Problem] To achieve high optical performance in a variable magnification optical system while achieving small size and light weight. [Solution] This variable magnification optical system comprises, along the optical axis (Z) and in orde...
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WO/2013/031108 |
[Problem] To enable satisfactory correction of distortion aberrations and readily achieve a wider angle while suppressing increase in various aberrations, in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a f...
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WO/2013/031176 |
[Problem] To enable satisfactory correction of distortion aberrations and readily achieve a wider angle while suppressing increase in various aberrations, in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a f...
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WO/2013/031214 |
[Problem] To satisfactorily correct chromatic differences of magnification in a variable magnification optical system when an extender is inserted. [Solution] This variable magnification optical system comprises: a relay lens group (fift...
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WO/2013/031203 |
[Problem] To achieve high optical performance in a variable magnification optical system while achieving small size and light weight. [Solution] This variable magnification optical system comprises, along the optical axis (Z) and in orde...
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WO/2013/031189 |
[Problem] To satisfactorily correct distortion aberrations and various other aberrations, in a zoom lens having a two-lens configuration. {>[Solution] A zoom lens: having a first lens group (G1) having a negative refractive power and a s...
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WO/2013/031180 |
[Problem] To reduce the F value and enable satisfactory correction of various aberrations, in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a first lens group (G1) having a negative refractive power and a se...
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WO/2013/031187 |
[Problem] To satisfactorily correct distortion aberrations and various other aberrations in a more compact zoom lens having a two-lens configuration. [Solution] A zoom lens: having a first lens group (G1) having a negative refractive pow...
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WO/2013/031110 |
[Problem] To enable satisfactory correction of distortion aberrations and readily achieve a wider angle while suppressing increase in various aberrations, in a more compact zoom lens having a two-lens configuration. [Solution] A zoom len...
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WO/2013/031177 |
[Problem] To reduce the F value and enable satisfactory correction of distortion aberrations and other aberrations, in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a first lens group (G1) having a negative ...
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WO/2013/031184 |
Provided is a zoom lens configured from two lens groups that has a reduced f-number and that satisfactorily corrects different types of aberration. The zoom lens comprises, arranged in order from the object side, a first lens group (G1) ...
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WO/2013/031179 |
[Problem] To make it possible to achieve reduced size and satisfactory correction of aberrations in a zoom lens having a two-group configuration. [Solution] A zoom lens in which a first lens group (G1) having a negative refractive power ...
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WO/2013/031182 |
[Problem] To provide a zoom lens configured from two lens groups that is reduced in size and that satisfactorily corrects different types of aberration. [Solution] A zoom lens comprising, arranged in order from the object side, a first l...
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WO/2013/031188 |
[Problem] To reduce the F value and satisfactorily correct distortion aberrations and other aberrations, in a zoom lens having a two-lens configuration. [Solution] A zoom lens: having a first lens group (G1) having negative refractive po...
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WO/2013/031183 |
A zoom lens having a two-lens group structure, which is compact, has a low F value, and suitably corrects aberrations such as distortion. The zoom lens is configured by arranging a first lens group (G1) having a negative refractive ...
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WO/2013/031181 |
A zoom lens having a two-lens group structure, which is compact and exhibits excellent aberration correction. The zoom lens is configured by arranging a first lens group (G1) having a negative refractive power and a second lens grou...
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WO/2013/027362 |
A zoom lens system provided with a first lens group having a negative power, a second lens group having a positive power, and a rear lens group comprising at least one lens group, wherein the zooming operation is performed by changing th...
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WO/2013/027364 |
A zoom-lens system that has a plurality of lens groups each comprising one or more lens elements, wherein the lens group disposed furthest towards the object side and at least one other lens group remain fixed with respect to the image p...
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WO/2013/027516 |
Provided are an imaging device and a zoom lens having a high variable power ratio of at least 3 and favorably corrected aberrations. The present invention comprises a negative first lens group (GR1), a positive second lens group (GR2), a...
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WO/2013/027363 |
A zoom-lens system wherein a lens group disposed furthest towards the object side and a lens group disposed furthest towards the image side remain fixed with respect to the image plane when zooming and at least three of the lens groups a...
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WO/2013/024576 |
[Problem] To achieve a real-image variable magnification finder that is compact, inexpensive, has a wide angle and a high variable magnification ratio, and that offers satisfactory viewing of a finder image. [Solution] In order from the ...
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WO/2013/021579 |
[Problem] To provide a compact and high-power zoom lens that achieves a low f-number and high optical performance that achieves high resolution. [Solution] This zoom lens is equipped with, in order from the object side, a first lens grou...
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WO/2013/021563 |
[Problem] To provide a compact and high-power zoom lens that achieves a low f-number and high optical performance that achieves high resolution. [Solution] This zoom lens is equipped with, in order from the object side, a first lens grou...
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WO/2013/011646 |
[Problem] To achieve a zoom lens that can be made inexpensively and is capable of macro imaging. [Solution] From the object side in the given order, a zoom lens is configured from: a first lens group (G1) that has a positive refractive p...
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WO/2013/007015 |
Provided are a transparent colloidal suspension, a method for producing the same and an optical article comprising at least one coating prepared from a composition containing the suspension. The method comprises the following successive ...
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WO/2013/005376 |
[Problem] To make a zoom finder thinner in the image pick-up direction without reducing optical performance. [Solution] The present invention comprises the following in the order given, starting from the object side: a variable objective...
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WO/2013/004458 |
The invention relates to an arrangement for determining an imaging deviation of a camera (10), having: the camera (10) which is focused on a first distance (A1), having a test structural unit (5) which is arranged at a second distance (A...
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WO/2013/005444 |
Provided is a projection optical assembly (1) which projects from a first image plane on the reduction-side to a second image plane on the enlargement-side, comprising: a first refraction optical assembly (11) which includes eight lenses...
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WO/2013/002019 |
An objective optical system for an endoscope which enables close observations while ensuring adequate brightness of an image is provided. The objective optical system for an endoscope (1) is provided with: a front group (FG), an aperture...
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WO/2013/001804 |
[Problem] To provide a variable magnification optical system for projection wherein the reduction side is made telecentric and, while suppressing increases in size of the system as a whole, long depth of field and high magnification rati...
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