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Patent Searching and Data


Matches 301 - 350 out of 17,256

Document Document Title
WO/2014/192288A1
A zoom lens includes a first lens group (G1) having a negative refractive power, and a second lens group (G2) having a positive refractive power, which are disposed side by side in order from an object, and satisfies the following condit...  
WO/2014/155942A1
The present invention provides an optical observation device having a first optical axis and a second optical axis in a different direction from the first optical axis. The observation device includes a separation unit for separating the...  
WO/2014/155463A1
[Problem] To provide a zoom lens which is preferable for use as a telephoto lens, has a short total lens length in both a housed state and an in-use state when mounted on an imaging device, and has a high optical performance with various...  
WO/2014/148326A1
Provided are a zoom lens and an imaging device using the same such that, along with a minimal number of lens groups and a reduction in size, a desired zoom ratio can be achieved and various aberrations are favorably corrected. A zoom len...  
WO/2014/147689A1
[Problem] To provide a zoom lens having a high zoom ratio, a bright wide angle, and various aberrations satisfactorily corrected. [Solution] This zoom lens comprises, in order from the object: a first lens group (G1) having a positive re...  
WO/2014/141348A1
A zoom lens having a sufficiently wide total-viewing angle, maintaining a comparatively bright F-number in all regions from the wide-angle end to the telephoto end whilst having a short total-length and thus being suited to minimization,...  
WO/2014/142438A1
Provided are a telephoto zoom lens system and an electronic apparatus including the telephoto zoom lens system. The telephoto zoom lens system includes a first lens group having a positive refractive power and is fixed when zooming and f...  
WO/2014/137434A1
An optical system incorporating a compact internal field of view switch configured to switch the field of view of the optical system between a narrow field of view and a wide field of view while maintaining a constant exit aperture size....  
WO/2014/135739A1
In accordance with an example embodiment of the present invention, an apparatus (100) is provided with: an accessory lens mount configured to movably attach to a camera (500), the camera having an objective (540); a plurality of differen...  
WO/2014/136403A1
Provided is a zoom lens that comprises a first lens group (G1) having a negative refractive power, a second lens group (G2) having a positive refractive power, and a third lens group (G3) that are arranged in this order from the object s...  
WO/2014/136605A1
Provided are a zoom lens and an imaging device equipped with the zoom lens capable of reducing the burden on a driving system that performs wobbling operation. In a zoom lens where each interval between lens groups is varied upon zooming...  
WO/2014/132584A1
This rear conversion lens is furnished with: a housing having two opposing end parts and a light-transmitting opening in each end part; a first connecting member for detachably connecting one end part of the housing to the image surface ...  
WO/2014/132864A1
A zoom lens system suitable for use as a day/night lens for observation that is short in total length, maintains a high variable power ratio by having a long focal length on the long focus side, and can achieve excellent optical performa...  
WO/2014/132291A1
A zoom lens system provided with, 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 third lens group having a positive power, a fourth lens group h...  
WO/2014/129170A1
A zoom lens system is formed from a first positive lens group, a second negative lens group, and subsequent lens groups and is provided with an opening aperture. The first lens group moves along the optical axis during zooming and is fix...  
WO/2014/129216A1
The present invention provides an image pickup device that can simultaneously obtain a first image and a second image that are formed respectively by a central optical system and a circular optical system that share an optical axis, and ...  
WO/2014/129187A1
This zoom lens system comprises a first positive lens group, a second negative lens group, and a following lens group configured from at least three lens groups and an aperture diaphragm. The first lens group is configured from no more t...  
WO/2014/126145A1
The purpose of the present invention is to provide a high magnification zoom lens that, while having high quality image forming performance, can achieve both compactness and price reduction. In order to achieve the foregoing, provided is...  
WO/2014/125533A1
[Problem] To provide thin imaging optics that have magnification-adjustment functionality and can fit in a small-form-factor electronic device that has limited thickness or layout space. [Solution] These imaging optics (101), which have ...  
WO/2014/115470A1
The present invention provides a zoom lens and an image-capturing apparatus that are desirable for a digital still camera, a video camera, etc., and offer a compact size and a high magnification ratio. In a zoom lens having five lens gro...  
WO/2014/115565A1
In the present invention, a variable magnification optical system comprises, from an object side, a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group, in the stated order. The first len...  
WO/2014/115230A1
[Problem] To provide a zoom lens capable of achieving a small F number and high performance while maintaining compactness, and an image capturing device provided with the zoom lens. [Solution] The zoom lens comprises, in order from the o...  
WO/2014/115543A1
A zoom lens (ZL) provided with, in the following order from the object side along the light axis: a first lens group (G1) having negative refractivity; a second lens group (G2) having positive refractivity; and a third lens group (G3) ha...  
WO/2014/112176A1
The present invention provides a variable magnification optical system, an optical device, and a method for manufacturing a variable magnification optical system. The variable magnification optical system includes a positive first lens g...  
WO/2014/101220A1
An intelligent security system (100) based on facial recognition comprises an image capturing device (110) and a monitoring and alarming device (120). The image capturing device (110) further comprises an intelligent module (111) and a c...  
WO/2014/104083A1
A zoom lens is a projection lens which is composed of a negative first lens group, a negative second lens group, a positive third lens group, a negative fourth lens group, a fifth lens group, and a positive sixth lens group in order from...  
WO/2014/103695A1
Provided are a zoom lens which achieves a 30x zoom ratio while being made compact and in which various types of aberration are excellently corrected and an imaging device using the same. The zoom lens has five lens groups. During zooming...  
WO/2014/103559A2  
WO/2014/094828A1
The invention relates to a zoom lens for an optical coordinate measuring instrument (1), which is designed to determine geometric properties of an object to be measured. Arranged on the zoom lens are a first active optical group (14) and...  
WO/2014/097355A1
This zoom lens system is provided with: a first lens group that has negative power; a second lens group that has positive power; a third lens group that has negative power; and a fourth lens group that has positive power. During zooming,...  
WO/2014/087855A1
The present invention comprises, 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...  
WO/2014/076924A1
[Problem] In a zoom lens for projection, to maintain high performance even with a high variable magnification ratio. [Solution] A zoom lens substantially configured by an intermediate group consisting of the following: a first lens group...  
WO/2014/076962A1
[Problem] To provide a zoom lens for projection which is small-sized and maintains a high magnification variation ratio. [Solution] An intermediate group comprising two or three mobile lens groups (G2-G4) is arranged between a first lens...  
WO/2014/076923A1
[Problem] To provide a zoom lens for projection in which a high magnification ratio is maintained, the numerical aperture is fixed across the entire magnification range, and a sufficiently long back focus is maintained. [Solution] A zoom...  
WO/2014/076925A1
[Problem] To provide a projection zoom lens with a high magnification ratio and make the numerical aperture thereof constant across the entire magnification range. [Solution] This projection zoom lens comprises the following, in order fr...  
WO/2014/076897A1
[Problem] To give a projection zoom lens a wide field of view, ensure an appropriate back focal length, reduce the lens diameter on the reduction side, reduce the form factor of the device, provide good optical performance, and make it e...  
WO/2014/076562A1
A portable battery powered self-illuminated multispectral multi-magnification colposcope for visual inspection of the cervix. Includes a housing, an eyepiece, at least one illuminator having two or more wavelength ranges, e.g., white and...  
WO/2014/077120A1
A variable power optical assembly comprises, in order from the object side, a positive first lens group (G1), a negative second lens group (G2), a positive third lens group (G3), a fourth lens group (G4), a fifth lens group (G5), and a s...  
WO/2014/076961A1
[Problem] To provide a zoom lens for projection in which the numerical aperture is fixed across the entire magnification range, and the entire length and the lens diameter of the lens group furthest to the enlargement side is reduced. [S...  
WO/2014/073186A1
[Problem] To provide a zoom lens having a high zoom ratio, little colour shift even during vibration control, and excellent optical properties. [Solution] A zoom lens comprising, in order from the object side, a first lens group (G1) tha...  
WO/2014/073187A1
[Problem] To simultaneously deliver high performance in the high magnification, wide-angle and entire zoom range of a zoom lens. [Solution] A zoom lens comprises the following in order from the object side: a positive first lens group (G...  
WO/2014/069446A1
Provided are a variable magnification optical system, an optical device, and a production method for the variable magnification optical system. The variable magnification optical system comprises, in order from the object side, a positiv...  
WO/2014/067091A1
A variofocusing monitoring shot and a monitoring device. The shot comprises a first to a thirteenth lenses (L1-L13) arranged successively coaxially along the transmission direction of an incident light beam. The first, the eighth, the te...  
WO/2014/069447A1
Provided is a variable magnification optical system having, in order from the object side: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positiv...  
WO/2014/069448A1
Provided is a variable magnification optical system having, in order from the object side: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positiv...  
WO/2014/069449A1
Provided are a variable magnification optical system, an optical device, and a production method for the variable magnification optical system. The variable magnification optical system has, in order from the object side, a first lens gr...  
WO/2014/065266A1
Provided are a variable magnification optical system, an optical device, and a method for producing the variable magnification optical system. The variable magnification optical system has, in order from the object side, a positive first...  
WO/2014/065264A1
Provided are a variable magnification optical system, an optical device, and a method for producing the variable magnification optical system. The variable magnification optical system has, in order from the object side, a positive first...  
WO/2014/065267A1
Provided is an optical system whereby the amount of non-effective light (i.e. light beyond the maximum field of view) converging on the focal point of an object-side-most lens group having positive optical power is reduced, making it pos...  
WO/2014/061391A1
A zoom lens is characterized by comprising, in order from the object side to the image side, a first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G3) hav...  

Matches 301 - 350 out of 17,256