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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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WO/2015/102071A1 |
Provided is a zoom lens system that has a bright F number, corrects various kinds of aberration excellently, and with which superior optical performance is attained. The zoom lens system is formed from, from the object side, a positive f...
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WO/2015/086425A1 |
An optical assembly (1) for changing the ratio of two orthogonal beam cross-sectional axes (a, b) of a laser beam (2) in the focal plane (F) comprises according to the invention - a collimation optical unit (4) for collimating a divergen...
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WO/2015/087619A1 |
Provided are a variable magnification optical system, and an image capture device and an image capture system provided with said variable magnification optical system. The variable magnification optical system is an optical system with a...
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WO/2015/079679A1 |
A zoom lens having, lined up 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 pow...
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WO/2015/075905A1 |
In order from the object side, this zoom lens has a first lens group (G1) that has negative refractive power, a second lens group (G2) that has positive refractive power, a third lens group (G3) that has negative refractive power, and a ...
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WO/2015/075904A1 |
A zoom lens having 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, a fourth lens group (G4) having a neg...
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WO/2015/075948A1 |
A zoom lens has, in order from an object side along an 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 refractive ...
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WO/2015/075943A1 |
A zoom lens (ZL) equipped with 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, a fourth lens group (G4) ...
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WO/2015/070695A1 |
An optical system of an LED variable-focal-length imaging lamp comprises an LED light source module (1), a light-gathering assembly (2), a cutting assembly (3), and a zoom lens group that are successively mounted along a light path. Geom...
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WO/2015/067925A1 |
A macro conversion lens (1) includes a sequential assembly of lens elements including a first lens element (20, 21), a third lens element (23) and a second lens element (22) positioned between the first and third lens elements. All the l...
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WO/2015/064614A1 |
Provided is an image pickup device (1) which includes the following: an objective lens (2) that is formed of a first group (G1) and a second group (G2) in that order from the object side, and that satisfies conditional formulae (1, 2); a...
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WO/2015/045297A1 |
Disclosed is a zoom lens system that is sequentially provided with, from the object side to the image side, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a ...
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WO/2015/025831A1 |
A variable focal length lens has, in order from the object side, a first lens group (G1) that has a negative index of refraction and a second lens group (G2) that has a positive index of refraction. Focal length is changed by varying the...
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WO/2015/019604A1 |
In the present invention, the following are provided and arranged in order from the object side along the light axis: a first lens group (G1) having a positive refractive power; a second lens group (G2) having a negative refractive power...
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WO/2015/017348A2 |
An imaging assembly for the viewing, imaging, and analysis of chemiluminescent or bioluminescent samples in gels or other substrates, in which an adjustable camera and lens module having a prime or fixed lens or a focusing lens is moved ...
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WO/2015/016004A1 |
In the present invention, a zoom lens comprises the following in order from the object side: a first lens group (G1) having negative refractive power; a second lens group (G2) having positive refractive power; and a third lens group (G3)...
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WO/2015/015792A1 |
A variable magnification optical system (ZL) used in an optical device such as a camera (1), the variable magnification optical system (ZL) having, in sequence from the object side, a first lens group having a positive refractive power, ...
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WO/2015/016031A1 |
This zoom lens 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 power;...
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WO/2015/016112A1 |
A variable power optical system, wherein: the system comprises, sequentially from an object, 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)...
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WO/2015/008437A1 |
A zoom lens comprising, arranged in order from the object side and along the optical axis, 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) h...
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WO/2015/004703A1 |
A zoom lens system is provided with: a first lens group having positive power; a second lens group having negative power; a third lens group having positive power; a fourth lens group; and a fifth lens group. During zooming, at least the...
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WO/2014/208091A1 |
A variable magnification optical system (ZL) used for an optical device such as a camera (1) 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...
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WO/2014/203572A1 |
Provided is a zoom lens whereby it is possible to ensure optical performance even when field of view is increased and size is reduced. When changing magnification from wide-angle end to telephoto end, the distance between a first positiv...
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WO/2014/199766A1 |
Provided are a converter lens which, while having a conversion ratio of 0.7x or less, is sufficiently thin with respect to the thickness direction of an image capture device and has a small diameter as well, and an image capture optical ...
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WO/2014/196022A1 |
Provided is a zoom lens with a high zoom ratio capable of achieving high optical performance throughout the entire zoom range while having a shorter overall optical length as a zoom lens. The zoom lens is constituted by, in order from th...
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WO/2014/192507A1 |
A zoom lens comprises a plurality of lens groups, in order from the object side, a first lens group (G1) having a positive refractive index, a second lens group (G2) having a negative refractive index, and a final lens group having a neg...
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WO/2014/192750A1 |
Provided is a variable magnification optical system having, in sequence from the object side along the optical axis, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power,...
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WO/2014/192626A1 |
A zoom lens has a plurality of lens groups comprising, in order from an object, a first lens group (G1) having a negative refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) having a pos...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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....
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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