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WO/2008/015986A1 |
To provide a thin projector for projecting an image from a light bulb such as a DMD for forming an image by changing reflecting directions of light on to a screen or the like in an enlarged fashion and a compact zoom lens with high perfo...
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WO/2008/013307A1 |
A zoom lens etc. The zoom lens is suitable for high pixel electronic imaging element, having a high magnification ratio, and reduced in size. The zoom lens has, in the mentioned order along the optical axis from the object side, a first ...
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WO/2008/010124A1 |
The invention provides a zoom optical system comprising two fluid lenses (22, 40) and a first fixed lens group (20) of negative optical power, positioned at the object side of the zoom optical system. The first negative lens (20) ensures...
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WO/2008/010563A1 |
A variable power optical system having a high ratio of magnification variation and excellent optical performance, an imaging device, and a method of varying the magnification of a variable power optical system. The variable power optical...
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WO/2008/008084A2 |
A task-based imaging system for obtaining data regarding a scene for use in a task includes an image data capturing arrangement for (a) imaging a wavefront of electromagnetic energy from the scene to an intermediate image over a range of...
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WO/2008/008280A2 |
A system is disclosed for the automated correction of optical and digital aberrations in a digital imaging system. The system includes several main parts, including (a) digital filters, (b) hardware modifications, (c) digital system corr...
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WO/2008/001861A1 |
It is possible to provide a small-size and thin zoom lens having a simple configuration and preferable optical performance corresponding to a high pixel density imaging element and an imaging device using the zoom lens. The zoom lens (1)...
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WO/2007/145194A1 |
An imaging optical system with a "positive-negative-positive-positive-positive" five-group zoom structure having high optical performance despite its compactness. The imaging optical system has, in order from the object side, a first len...
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WO/2007/141788A2 |
An imaging system is presented for use in multi-range imaging of an object scene by incoherent light. The imaging system comprises aligned a phase mask section, a single focus lens section, and a pixel detector array (PDA). The phase mas...
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WO/2007/135976A1 |
A zoom microscope includes: an observation optical system (3) having an exchangeable objective lens (31), an aperture diaphragm (32), an afocal zoom system (33), and an image forming optical system (34); and a zoom incident light illumin...
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WO/2007/135933A1 |
Compact four lens group zoom lens including a first lens group, a second lens group having a negative refractive power, a third lens group having a positive refractive power and a fourth lens group having a positive refractive power, whe...
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WO2006095545A9 |
Provided are a zoom lens system used for a video camera and a digital still camera, compact and covering a range from the wide angle side to the tele side and having high image forming performance in the entire zoom range independent of ...
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WO/2007/131216A2 |
The present invention provides a small and fast zoom system using micromirror array lens (MMAL). Thanks to the fast response and compactness of the MMAL as well as absence of the macroscopic mechanical movements of lenses, the zoom syste...
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WO/2007/129677A1 |
A zoom lens capable of image shifting, suitable for an optical device having a limited space for placing a zoom lens, small-sized and simple, and having excellent focusing performance. An optical device having the zoom lens is also provi...
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WO/2007/122944A1 |
A zoom lens is comprised of a first group lens(G1) of a negative refractive power provided at a fixed distance from an image plane, a second group lens(G2) of a positive refractive power, a third group lens(G3) of a positive refractive p...
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WO2006104500A9 |
A wide angle projection lens include a first lens group of negative refractive power that has at least one aspheric surface. The wide angle projection lens can output an image at a half field angle of at least 45°, where the image has s...
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WO/2007/122616A2 |
An optical arrangement is provided for use in imaging with a large depth of focus The optical arrangement comprises an aperture (10) and a replication unit (16,26) The replication unit (16,26) is configured for producing a plurality of r...
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WO/2007/113952A1 |
An imaging device or the like which can efficiently use effective pixels in a solid imaging element, and can favorably maintain a light quantity ratio surrounding a picked up image even at vibration insulating. The imaging device compris...
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WO/2007/111146A1 |
A lighting optical system capable of keeping a desired profile even if the outline shape of a light intensity distribution formed on a lighting pupil surface is varied using an axicon system. The lighting optical system, illuminating a s...
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WO/2007/112321A2 |
A five-elememt 3:1 zoom lens system in which the first lens group (Group 1) has a negative power and includes two lens elements (12, 14) and the second lens group (Group 2) has a positive power and includes a pair of lens sub-groups, the...
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WO/2007/103944A2 |
Zoom lens systems and methods for imaging incoming rays over a range of ray angles are disclosed. The incoming rays are characterized by at least phase. The zoom lens system includes an optical axis and is characterized by a plurality of...
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WO/2007/099836A1 |
An infrared zoom lens reduced in size and manufacturable at low cost while maintaining the brightness of image and its related techniques are provided. The infrared zoom lens (1a) comprises first to third lens groups (G1 to G3) made of z...
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WO/2007/085658A1 |
A lens arrangement for a variable focus optical device comprising: a first lens group of positive optical power; a second lens group of a negative optical power; said first lens group or second lens group including at least two immiscibl...
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WO/2007/079882A1 |
The invention relates to an arrangement for adjusting optical components arranged in a housing (3), in particular for variable picture-taking systems. Optical components which are movable relative to one another along the optical axis of...
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WO2007037112A9 |
A small-sized zoom lens suitable for use where a place for installing a zoom lens is limited and having a magnification ratio of about 4.5 or above and excellent image forming performance. The zoom lens consists of, in order from the obj...
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WO/2007/049504A2 |
A variable power optical system which keeps a lens production difficulty level at a conventional level while making it sufficiently compact. The variable power optical system comprises sequentially form an object side a first lens group ...
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WO/2007/034966A1 |
A zoom lens having fewer constituting lenses and easily keeping telecentricity. A first lens group (G1) through a fourth lens group (G4) are disposed sequentially from a projection plane (PL) side. The first lens group (G1) consists of t...
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WO/2007/032508A1 |
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The positive lens group is arranged at the object side than the diaphragm. The positive lens group has a cemented lens obtained by ce...
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WO/2007/032509A1 |
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The negative lens group is arranged at the object side than the diaphragm. The negative lens group has a cemented lens obtained by ce...
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WO/2007/032505A1 |
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The positive lens group is arranged at the image side than the diaphragm. The positive lens group has a cemented lens obtained by cem...
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WO/2007/032512A1 |
An image forming optical system includes a positive lens group, a negative lens group, and a diaphragm. The negative lens group is arranged at the image side than the diaphragm. The negative lens group has a cemented lens obtained by cem...
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WO/2007/024482A2 |
A multiple group variable focal length lens is provided. The lens has a first lens group including a variable power lens element and is positioned in a stationary manner along an optical axis. The lens also has a second lens group moveab...
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WO/2007/016075A2 |
A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a first optical unit located between the obj...
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WO/2007/010822A1 |
A zoom lens system includes a first lens group having a positive power from an object side to an image side, a second lens group having a negative power, and a third lens group having a positive power. An interval between each lens group...
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WO/2007/009632A1 |
The invention relates to an optical system which is suitable particularly for digital camera modules placed in cellular telephones. The aim of the invention is to improve zoom lens systems known in prior art, especially by creating an op...
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WO/2007/010862A1 |
A zoom lens system composed of lens groups at least having a front lens group with negative power and a rear lens group with positive power, the rear lens group being placed nearer to the image side than the front lens group and having l...
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WO/2006/115647A1 |
A compact high performance objective zoom lens system is disclosed that provides optimum optical performance over the entire zoom focal length range at focus distances from close to infinity. The system comprises, from object space to im...
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WO/2006/115107A1 |
A micro variable power optical system in which aberration can be corrected sufficiently. The variable power optical system (100) comprises a first lens group (101) having a negative optical power, a second lens group (102) having a posit...
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WO/2006/113705A2 |
A multi-magnification viewing and aiming scope includes a first imaging group including an objective lens lying on the optical path and an eyepiece lens lying on the optical path. The first imaging group forms a first image having a firs...
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WO/2006/103855A1 |
In a zoom lens, a shift lens is moved for handshake correction in the direction orthogonal to the optical axis. When positional displacement of the shift lens group in its optical axis occurs, an influence of out-of-focus caused by image...
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WO/2006/095543A1 |
A zoom lens system used for an imaging device for a fixed-lens camera etc. The zoom lens system includes at least the following lens groups sequentially arranged from the object side: a 1st lens group (GR1) with positive refractive power...
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WO/2006/095544A1 |
Provided are a zoom lens where the imaging angle of field at a wide angle end used for a video camera and a digital still camera includes a wide angle of field of 60 - 100 degrees, that has a magnification ratio of 3 to 6 times, that has...
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WO/2006/092966A1 |
A zoom lens has arranged in it four lens groups that are, in sequence 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) ...
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WO/2006/090660A1 |
A zoom lens system realizing high image quality, large aperture and small size simultaneously, and capable of correcting blur of an image due to shaking, vibration, or the like, and an imaging apparatus and a camera. The zoom lens system...
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WO/2006/076323A2 |
An adjustable lens system comprises a housing, an adjustable lens assembly, comprising a lens element, mounted to the housing and placeable in optical states, and a MEMS based micro-motor. The MEMS based micro-motor is mounted to the hou...
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WO/2006/067905A1 |
A zoom lens having a stabilized optical quality achieved by suppressing the influence of the assembly error at the time of its manufacture. A positive first lens group (G1), a negative second lens group (G2), a positive third lens group ...
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WO/2006/054215A1 |
In an optical scanning device (10) capable of scanning an information plane of an optical record carrier (5) of different types such as BD, DVD and CD, the diameter of the radiation spot on the detector (7) is dependent on the numerical ...
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WO/2006/048993A1 |
A lens group located in the vicinity of an aperture stop is constituted of two partial groups, and image shift is carried out by shifting one partial group thus avoiding size increase of the lens group including the shift group. Furtherm...
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WO/2006/043376A1 |
A construction that has an optical part (G1) having a refraction function, an optical part (G2) having a reflection function, and an optical part (G3) having a refraction function and in which the focal distance of the entire system can ...
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WO/2006/040948A1 |
A zoom lens being suitable for downsizing without increasing the number of lenses and capable of correcting shaking, and an imaging device using the zoom lens. The zoom lens comprises, arranged sequentially from an object side, a first l...
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