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7626765 |
Bent zoom lens
The bent zoom lens is configured to include, arranged in order from an object side, a first lens group GR 1 having a positive refractive power, a second lens group GR 2 having a negative...
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7623306 |
Zoom lens and imaging apparatus incorporating the same
A zoom lens comprises, in order from its object side, a front lens group having negative refracting power at a wide-angle end and a rear lens group having positive refracting power at the...
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7623299 |
Zoom lens and imaging apparatus
A zoom lens is provided, which includes a first lens group Gr 1 having positive refractive power, a second lens group Gr 2 having negative refractive power, which is movable in an optical axis...
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7623297 |
Zoom lens
A zoom lens includes, in order from an object side, a first lens group fixed upon zooming and wholly having a negative refractive power, a second lens group formed by an optical-path bending prism...
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7623177 |
Image capturing device having multiple optical systems
In a digital camera having multiple optical systems, multiple image capturing elements are effectively driven to reduce power consumption. A digital camera has a first image capturing optical...
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7620306 |
Lens barrel and imaging device
A lens barrel 11 is mounted to a collapsible imaging device 1 having a zooming function and includes a cam frame 19 , a first lens frame 39 , a second lens frame 45 , and a third lens frame ...
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7619832 |
Imaging apparatus
An imaging apparatus, configured to form an image on an image pickup element, includes, in an order from an object side toward an image side, a first optical unit having a negative refractive...
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7619831 |
Zoom lens and projector unit
To provide a compact, high-performance zoom lens having a small lens aperture for enlarging an image from a light valve such as a DMD for forming an image by changing a reflecting direction of...
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7616880 |
Adapter ring for rotation of photographing lens barrel
There is disclosed an adapter ring for rotation of a photographing lens barrel, the adapter ring being fitted into an outer periphery of the photographing lens barrel, the adapter ring being...
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7616877 |
Method and apparatus for controlling a lens, and camera module incorporating same
An efficient image capture system is disclosed that integrates functions to control a lens including one or more of focus or object distance, zoom, temperature compensation, and stabilization...
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7616384 |
Zoom lens and imaging apparatus
A zoom lens includes, in order along an optical axis from a side nearest to a photographic subject to an imaging site, a first lens group I that comprises a positive refraction index and is...
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7609460 |
Zoom lens and imaging apparatus
A zoom lens configured by arranging a first lens group, a second lens group, a third lens group, a fourth lens group, and a fifth lens group in order from the object side to the image side, and...
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7609446 |
Zoom lens and image pickup apparatus including the lens
A zoom lens easily performs image stabilization with a compact and light image-stabilizing lens unit, properly corrects an aberration change during image stabilization, and achieves high optical...
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7599124 |
Telephoto zoom lens
The present invention is directed to a compact large-aperture-ratio inner-focusing telephoto zoom lens of the reduced total lens extension where minimizing a photo-shooting distance down to as...
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7593171 |
Zoom lens and image pickup apparatus including the same
A zoom lens includes first to fourth lens units which respectively have negative, positive, negative, and positive refractive powers in order from the object side to the image side. Distances...
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7593165 |
Zoom lens and image sensing apparatus
A zoom lens for forming an optical image of an object on a sensing surface of an image sensor at a variable magnification has first, second, third, fourth and fifth lens groups with...
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7593164 |
Zoom lens system and image-sensing apparatus having image shake correcting capability
A zoom lens system having an image shake correcting capability has, from the object side to the image side: a first lens group having a positive optical power, a second lens group having a negative...
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7593157 |
Zoom microscope
It is an object to provide a zoom microscope of a simple structure which can expand a variable-power range. In order to achieve the object thereof, the zoom microscope includes a replaceable...
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7589905 |
Optical system and optical apparatus including the same
An optical system includes a first negative lens element disposed nearest a front side and a first positive lens element whose front surface resides within a distance 0.4 L from the surface nearest...
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7586690 |
Projection type zoom lens and projection type display apparatus
Disposed in order from a magnification side are a negative first group which is fixed during zooming to effect focusing, second to fifth groups of positive refractive power which move with mutual...
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7586682 |
Zoom lens and imaging apparatus
A zoom lens including a varifocal lens unit having a plurality of movable lens groups, and a prism disposed on an image side of the varifocal lens unit. The prism has an incident plane on which a...
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7583448 |
Zoom optical system and electronic system incorporating it
The invention relates to a zoom optical system that makes it possible to offer a sensible tradeoff between cost savings and size reductions and an electronic system that incorporates it. The zoom...
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7583447 |
Zoom optical system and electronic system incorporating IT
The invention relates to a zoom optical system that makes it possible to offer a sensible tradeoff between cost savings and size reductions and an electronic system that incorporates it. The zoom...
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7583310 |
Taking apparatus
The present invention concerns an imaging apparatus which works for size reductions, power savings, the efficient attainment of the quantity of light sensed, and prevention of contrast decreases...
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7580199 |
Zoom lens and image taking system having the same
A zoom lens includes a focus unit, a zoom unit, an aperture stop, and an imaging unit having a splitting element that are arranged in that order from an object side to an image side. The splitting...
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7573650 |
Zoom optical system and electronic system incorporating it
The invention relates to a zoom optical system that makes it possible to offer a sensible tradeoff between cost savings and size reductions and an electronic system that incorporates it. The zoom...
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7573647 |
Optical unit and image capturing apparatus including the same
In zooming, an optical unit moves the lens unit located at the most image side and the image sensor along the optical axis while not moving at least one lens unit, of a plurality of lens units,...
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7567395 |
Lens module assembly and imaging system having same
A lens module assembly and an imaging system are disclosed. The imaging system includes the lens module assembly and an image sensor received in the assembly. The lens module assembly includes a...
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7567390 |
Zoom lens system, imaging device and camera
A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein an interval between at least any two lens units is changed so that an optical image is...
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7564632 |
Projection zoom lens
A projection zoom lens includes, from a screen side to an image source side, a first lens group having a negative refractive power, a second lens group having a positive refractive power, a third...
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7564617 |
Short infrared zoom lens system
An infrared lens system including a focus section that focus infrared radiation at an image plane, and a zoom section that adjusts a desired focal length of the infrared radiation, the focus...
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7561344 |
Zoom lens system and image pickup apparatus including the same
A simple, compact, high-zoom-ratio zoom lens system exhibiting high optical performance at all zoom positions is provided. The system includes, in order from the object side to the image side,...
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7561342 |
Zoom lens system
An object is to provide an ultra-compact zoom lens system suitable for a video camera and a electronic still camera using a solid-state imaging device and the like with securing high optical...
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7558004 |
Variable power optical system
A variable power optical system is provided and includes a positive first lens group, a negative second lens group, a positive fifth lens group, a positive third lens group, and a negative fourth...
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7558002 |
Projection zoom lens and projection-type display device
A negative first group G 1 is fixed when a power of the projection zoom lens varies and has a focusing function. A positive second group G 2 , a positive or negative third group G 3 , a positive...
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7558001 |
Compact zoom lens
A compact zoom lens includes first, second, third, and fourth lens groups sequentially arranged from an object side. The first lens group includes a first lens and at least one reflection optical...
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7557839 |
Electronic imaging device and mobile terminal including the electronic imaging device
An electronic imaging device includes a zoom lens that includes a plurality of lens groups and an imaging element that converts an optical image formed by the zoom lens into an electric signal. The...
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7554744 |
Zoom lens system and image-pickup apparatus
A zoom lens system includes, in order from the object side, a first lens unit having positive refractive power, a second lens unit having negative refractive power, a third lens unit having...
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7551355 |
Zoom lens and imaging apparatus
Disclosed is a zoom lens which is composed of a plurality of groups of lenses and which varies the power thereof by changing inter-group spacings. The zoom lens is configured such that: the last...
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7545578 |
Image projection optical system and image projection apparatus
An image projection optical system introduces light from an image-forming element by a zoom lens via an optical element. The optical element satisfies Σ(Di×Ndi)/fw>4.0. The zoom lens includes,...
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7545577 |
Zoom lens and image pickup apparatus including the same
A compact zoom lens includes a first lens unit disposed closest to an object side, an aperture, and a rear lens group. The first lens unit includes a first diffraction optical part having positive...
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7545576 |
Variable focal length assembly having optical lens module
A variable focal length lens assembly includes at least one lens group, and at least one optical lens module. The optical lens module includes multiple portions distributed in turn around a central...
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7542222 |
Lens barrel drive apparatus
A lens barrel drive apparatus which can be reduced in outside diameter to realize reduced diameter. A guide bar guides a lens along an optical axis. Hollow magnets are disposed on an outer...
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7542213 |
Projecting zoom lens and projection display device
A power varying operation is performed by moving four lens groups out of six lens groups. A reduction side of a zoom lens is constructed as a substantially telecentric system. An aspheric lens is...
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7542212 |
Zoom lens and image capture apparatus
A zoom lens includes in order and from the side of an object, a first lens group having a positive refractive power and fixed in position, a second lens group having a negative refractive power and...
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7535657 |
Zoom lens system and imaging device
There is provided a zoom lens system including at least a first lens group GR 1 having a positive refractive power, a second lens group GR 2 having a negative refractive power, a third lens group...
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7535650 |
Zoom lens, image pickup apparatus, and personal digital assistant
A zoom lens, in order from an object side, includes a first lens group having a negative refracting power, a second lens group having a positive refracting power and an aperture stop. When zooming...
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7532412 |
Zoom lens having image stabilizing function
A zoom lens includes, in order from object to image sides, first and second lens units having positive and negative refractive power, respectively, and a rear lens group including at least one lens...
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7532410 |
Projecting zoom lens and projection type display device
A projecting zoom lens includes in order from a magnification side, a first negative group, second, third and fourth positive groups, a fifth negative group and a sixth positive group. The third...
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7525729 |
Zoom lens and imaging apparatus
There is provided a zoom lens having, in an order of an object-to-image direction, a first lens group having a positive refractive power and fixed with respect to an image plane; a second lens...
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