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WO/2013/001299A1 |
An optical device (20) that comprises at least two refractive optical elements (1, 2) arranged along an optical axis (OA) of the device, each refractive optical element having a surface profile. The device has an optical aperture common ...
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WO/2013/001759A1 |
[Problem] To provide a variable magnification optical system for projection having a reduction side that is telecentric, a long back focus, and a high variable magnification ratio, and in which a wide angle is easy to achieve and upsizin...
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WO/2012/176468A1 |
[Problem] To achieve a lowered cost and favorable optical performance in a zoom lens. [Solution] The zoom lens is configured, in order from the object side, from a negative first lens group (G1) and a positive second lens group (G2), and...
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WO/2012/176428A1 |
[Problem] To shorten overall length and to obtain a wide field of view and a high magnification ratio in a zoom lens. [Solution] The zoom lens is configured by disposing, in order from the object side: a first lens group (G1) having a po...
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WO/2012/176412A1 |
[Problem] To provide a zoom lens having a high variable magnification ratio, a compact size, high performance, and a camera shake correction function. [Solution] The zoom lens comprises, in order starting from the object side, a positive...
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WO/2012/176426A1 |
[Problem] To shorten overall length and to obtain a wide field of view and a high magnification ratio in a zoom lens. [Solution] The zoom lens is configured by disposing, in order from the object side: a first lens group (G1) having a po...
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WO/2012/176470A1 |
[Problem] To achieve a lowered cost and favorable optical performance in a zoom lens. [Solution] A zoom lens essentially consisting of, in order from the object side, a first lens group (G1) having a negative refractive power and a secon...
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WO/2012/176437A1 |
[Problem] To provide a zoom lens having a high variable power ratio while enabling a reduction in size and an increase in performance. [Solution] A zoom lens comprising, in order from the object side, a positive first lens group (1G), a ...
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WO/2012/176414A1 |
[Problem] To provide a zoom lens having a high variable magnification ratio, a compact size, and high performance. [Solution] The zoom lens comprises, in order starting from the object side, a positive first lens group (1G), a negative s...
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WO/2012/176415A1 |
[Problem] To provide a zoom lens having a high variable power ratio while enabling a reduction in size and an increase in performance. [Solution] A zoom lens comprising, in order from the object side, a positive first lens group (1G), a ...
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WO/2012/176432A1 |
[Problem] To reduce overall length and to obtain a wide field of view and a high magnification ratio in a zoom lens. [Solution] The zoom lens is configured by disposing, in order from the object side: a first lens group (G1) having a pos...
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WO/2012/176389A1 |
[Problem] To provide a zoom lens of lower cost and superior optical performance. [Solution] A zoom lens has a first lens group (G1) having progressively negative refractive powers in sequence from the object side and a second lens group ...
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WO/2012/176469A1 |
[Problem] To achieve a zoom lens that is small and has high optical performance. [Solution] A first lens group (G1) that has negative power and a second lens group that has positive power (G2) are arranged in the given order from the obj...
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WO/2012/176427A1 |
[Problem] To shorten overall length and to obtain a wide field of view and a high magnification ratio in a zoom lens. [Solution] The zoom lens is configured by disposing, in order from the object side: a first lens group (G1) having a po...
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WO/2012/176413A1 |
[Problem] To provide a zoom lens having a high variable magnification ratio, a compact size, and high performance. [Solution] The zoom lens comprises, in order starting from the object side, a positive first lens group (1G), a negative s...
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WO/2012/176435A1 |
[Problem] To provide a zoom lens having a high variable power ratio while enabling a reduction in size and an increase in performance. [Solution] A zoom lens comprising, in order from the object side, a positive first lens group (1G), a ...
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WO/2012/173023A1 |
Provided are a compact zoom lens able to achieve both increased compactness and a higher variable power and also satisfactorily correct aberrations, and an image pickup device using this lens. The zoom lens has a function able to form an...
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WO/2012/173024A1 |
Provided is a small-sized/thin/wide-angle high-zoom-ratio zoom lens that is capable of camera-shake correction and that maintains good optical performance, and an imaging device equipped with the zoom lens. The zoom lens comprises six le...
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WO/2012/169154A1 |
Provided is a lens assembly and a camera comprising the lens assembly, said lens assembly being formed from a plurality of lens groups which are positioned in order from the object side to the image side. The intervals between the lens g...
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WO/2012/160786A1 |
[Problem] To make the reduction side telecentric, to have a large variable-magnification ratio, to be able to minimize enlargement of the entire system and fluctuation in aberration during variable magnification, and to have high optical...
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WO/2012/157250A1 |
This lens unit (100) forms an optical image of an object on an image sensor (103), and is provided with: a focus lens group (140) containing at least one lens; a drive unit (190) that displaces a focus range by moving the focus lens grou...
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WO/2012/153505A1 |
A variable magnification optical system has a large aperture ratio and high variable magnification ratio, while being compact, and achieves high optical performance from the visible region to the near-infrared region. The variable magnif...
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WO/2012/148215A2 |
A camera lens module in which an optical system is configured to include five sheets of lenses is provided. In the camera lens module, first, second, third, fourth and fifth lenses are sequentially arranged from an object side, and the f...
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WO/2012/141023A1 |
Provided are a zoom lens and the like which are compact in size, have a small back focus, and have an excellent optical performance, said zoom lens including in order from the object side: a front group (G1) having a negative refractive ...
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WO/2012/137496A1 |
[Problem] To achieve, in a zoom lens, high functionality, a high variable magnification ratio, miniaturization, low cost, and excellent image acquisition. [Solution] A zoom lens (1) comprises the following, in the order given, starting f...
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WO/2012/137421A1 |
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 positive refractive power, and a fourth lens group (G4) having a negative refractiv...
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WO/2012/127924A1 |
When the assumed distance from a first lens to a subject is set to Ds (>1250) [mm], a disparity on a 35-millimeter film is set to k [mm], and the focal lengths of first to fourth lens groups are set to f [mm], a base length (L1) within a...
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WO/2012/127040A1 |
The invention relates to a device for focusing a laser beam into a focal spot of diameter Φ, said device comprising the following elements along the optical path thereof, namely: a first group (10) of at least three telescope-type lense...
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WO/2012/123652A2 |
The invention relates to a technical assembly for ordinary and three-dimensional digital printing, particularly for printing compressed three-dimensional images, one next to the other, on a single frame of silver 35 mm motion picture fil...
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WO/2012/124297A1 |
[Problem] To provide a variable magnification optical assembly which is configured to be miniaturized and inexpensive, whereby a strong optical performance is implemented while also having a large aperture ratio, and with which a compara...
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WO/2012/120875A1 |
Provided is a variable power optical system that is small, inexpensive, high-performance, and has a small F-number, and a satisfactory correction of chromatic aberration from the visible region to the near infrared region. The variable p...
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WO/2012/121014A1 |
Disclosed is a zoom lens that forms an optical image of an object on a light receiving surface of an imaging element converting the optical image to an electrical signal, having the diagonal length of 2Ymax, is constituted by a positive ...
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WO/2012/122062A1 |
The optical zoom system includes a first inward-facing surface that is at least partly reflective and a second inward-facing surface that is at least partly reflective. The optical zoom system further includes a first aperture that inclu...
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WO/2012/117857A1 |
A negative/positive/negative/positive zoom lens in which the following occurs when the magnification is changed from the wide angle end to the telescopic end: at least first through third groups move individually, the interval between th...
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WO/2012/117720A1 |
[Problem] To provide a variable power optical system which can be configured to be compact and inexpensive while achieving a wide angle and a high magnifying power, can be used within a wide wavelength range ranging from a visible range ...
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WO/2012/114756A1 |
[Problem] To enable good correction of different types of aberration in a projector zoom lens, while maintaining a wide angle, high zoom ratio and large back focus. [Solution] A negative first lens group (G1), a positive second lens grou...
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WO/2012/114755A1 |
[Problem] To provide a projection zoom lens, wherein the lens is made compact and wide angle with six lens groups, and different types of aberration can be corrected effectively over the entire range of variation. [Solution] From the enl...
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WO/2012/102105A1 |
A positive-negative-positive-positive-positive zoom lens changes magnification by moving each of a first group to a fourth group so as to alter the interval between each group. The third group comprises first and second lens components, ...
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WO/2012/101958A1 |
A zoom-lens system, imaging device, and camera characterized by the provision of the following, in order from the object side to the image side: a first lens group, a second lens group, and one or more following lens groups. Said zoom-le...
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WO/2012/100584A1 |
Disclosed are a condensing system and method with a plurality of LEDs. The LEDs (5) are positioned on the same plane. A first condensing lens (11) is disposed at front of each LED (5), a second condensing lens (21) is disposed at front o...
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WO/2012/101959A1 |
A zoom-lens system, imaging device, and camera characterized by the provision of the following, in order from the object side to the image side: a first lens group having a positive power, a second lens group having a negative power, a t...
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WO/2012/098617A1 |
Provided are a zoom lens assembly, image capture device, and camera, wherein the zoom lens assembly comprises a plurality of lens groups which are configured of at least one lens element, and further comprises, in order from the object s...
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WO/2012/090757A1 |
Provided are a miniaturized, thin, wide-angle high-magnification zoom lens and an image capture device wherein the zoom lens is installed, with which it is possible to compensate for camera shake and desirable optical performance is main...
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WO/2012/086154A1 |
Provided is a zoom lens system comprising a first lens group having a negative power, a second lens group having a positive power, a third lens group having a negative power, and a fourth lens group having a positive power. The second le...
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WO/2012/086890A1 |
Provided are a fisheye lens system and an image capturing device including the fisheye lens system. A zoom lens system includes a first lens system and a second lens system. The first lens group includes a first lens having negative refr...
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WO/2012/086155A1 |
Provided is a zoom lens system comprising, in order from the object side to the image side, a first lens group having a negative power, a second lens group having a positive power, a third lens group having a negative power, and a fourth...
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WO/2012/086153A1 |
Provided is a zoom lens system comprising, in order from the object side to the image side, a first lens group having a negative power, a second lens group having a positive power, a third lens group having a negative power, and a fourth...
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WO/2012/081251A1 |
The purpose of the present invention is to provide a projection zoom lens which takes size reduction into account, has an increased zoom ratio, has the entire zoom range brightened, and has aberrations satisfactorily corrected, and to pr...
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WO/2012/081602A1 |
A variable power optical system (ZL), which is mounted in an optical device such as a single-lens reflex camera (1), comprises sequentially from the object side, a first lens group (G1) that has a positive refractive power, a second lens...
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WO/2012/081603A1 |
Disclosed is an optical system, which is characterized in that the optical system has a first lens element and a second lens element, which can be shifted such that each lens element includes a component in the direction perpendicular to...
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