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Match Document Document Title
7453651 Zoom lens and camera with zoom lens  
There is provided a zoom lens of variable power ratio of the order of 3 in which the whole of the zoom lens is made up of three lens elements groups and the power configuration of each of the...
7453648 Zoom lens system, imaging device and camera  
A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein in zooming from a wide-angle...
7453642 Zoom lens system and image pickup apparatus having the same  
Disclosed is a compact zoom lens system having a image stabilizing function. This zoom lens system is provided with a plurality of lens units of which the interval between adjacent ones is changed...
7453507 Electronic imaging apparatus  
An electronic imaging apparatus of the present invention comprises a photographing optical system, in order from an object side, a first lens group having negative refracting power, which has a...
7450837 Zoom optical system, imaging lens device, and digital apparatus  
A zoom optical system has lens groups, and performs zooming by varying distances between the respective lens groups in an optical axis direction thereof. The zoom optical system has two or more...
7450319 Zoom lens  
The invention relates to a zoom lens in which tweaks to the mode of movement of lens groups and the first lens group contribute more to making sure the desired zoom ratio and optical performances...
7450318 Zoom lens and optical apparatus having the same  
A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of...
7450317 Zoom lens  
A zoom lens includes a first lens group having a negative refracting power, a second lens group having a positive refracting power and being aligned closer to an image surface than the first lens...
7446956 Zoom lens system, imaging apparatus and method for varying focal length  
A zoom lens system having higher optical performance, a wide angle of view, a high zoom ratio, and compactness include, in order from an object, a first group having negative power, a second group...
7446948 Zoom optical system and imaging system using the same  
The invention is concerned with a small-format yet high-performance zoom optical system with a fewer lenses count, and an electronic system that incorporates it. The zoom optical system comprises,...
7446946 Zoom optical system  
At least one exemplary embodiment is directed to a zoom optical system which includes a plurality of optical groups with variable optical power arranged along an optical axis; and at least one...
7443604 Zoom lens and image-pickup apparatus having the same  
At least one exemplary embodiment is directed to a zoom lens which includes first to fourth lens groups, each moving and having negative, positive, negative, and positive refractive power, arranged...
7440195 Zoom lens system and imaging device having the same  
A zoom lens system for directing an optical image on an electric image sensor that includes a first lens unit disposed on a most object side and having a negative optical power, a second lens unit...
7433584 Variable-magnification optical system and image-taking apparatus therewith  
A variable-magnification optical system has, from the object side to the image side, at least a first lens group having a positive optical power, a second lens group having a negative optical...
7426084 Zoom lens system, lens barrel, 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...
7423812 Zoom lens and projector employing zoom lens  
In a thin projector for projecting an image from a light valve such as a DMD, a compact zoom lens comprises, in order, a first lens group having a negative refractive power, a second lens group...
7418199 Imaging apparatus  
An imaging apparatus including a first lens unit with positive power in which the most object-side surface is concave and the most image-side surface is convex, an aperture stop, a second lens unit...
7405886 Zoom lens device  
A zoom lens device includes, in sequence from an object side to an imaging side, a negative first lens group, a positive second lens group, and a positive third lens group. When the zoom lens...
7400454 Digital camera imaging lens  
A digital camera imaging lens includes first, second and third lenses arranged in sequence from an object side toward an imaging surface side. The first lens is a meniscus lens having a positive...
7397610 Zoom lens and image projection apparatus having the same  
A zoom lens of the invention has three lens groups. In the zoom lens, magnification change is performed by moving only one lens group among the three lens groups, and focus adjustments is performed...
7391578 Projection zoom lens system and projector apparatus using the same  
A projection zoom lens includes, in order from an enlargement side, a first lens unit G 1 of negative refracting power, a second lens unit G 2 of positive refracting power and a third lens unit G...
7388721 Imaging lens  
An imaging lens ( 100 ) comprising, arranged sequentially from the object side, a positive-meniscus first lens ( 1 ) with its convex plane facing the object side, a negative-power-meniscus second...
7388717 Zoom lens system  
The invention provides a zoom lens system suitable for an image gathering system using a solid-state imaging device, having a zoom ratio of about three, a small lens length, and superb optical...
7388716 Variable magnification optical system and imaging device  
A variable magnification optical system for forming an optical image of an object onto a light acceptance surface of an image sensor, has in order from an object side: a first lens group having...
7382551 Zoom lens system and image-pickup apparatus including same  
At least one exemplary embodiment is directed to a zoom lens system which includes a first lens unit having negative refractive power and a second lens unit having positive refractive power. The...
7382547 Zoom lens system  
A zoom lens system which includes, in order from an object side, a first lens unit having a negative refractive power; a second lens unit having a positive refractive power; and a third lens unit...
7375902 Zoom lens, and electronic imaging system using the same  
A zoom lens with an easily bendable optical path has high optical specification performance such as a high zoom ratio, a wide-angle arrangement, a small F-number and reduced aberrations. It...
7375900 Variable power optical system and image pickup apparatus  
An object of the present invention is to provide a compact size variable power optical system capable of producing a high quality image. The variable power optical system comprises a plurality of...
7375732 Methods and apparatus for navigating an image  
Methods and apparatus are contemplated to perform various actions, including: zooming into or out of an image having at least one object, wherein at least some elements of the at least one object...
7369326 Imaging optical system and image pickup apparatus  
A compact bent zooming imaging optical system characterized by sufficient aberration correction. The imagining optical system contains, in order from the object, a first lens group having positive...
7369323 Zoom lens system, imaging device and camera  
The zoom lens system is used for forming an optical image of an object with a variable magnification, and, in order from the object side, comprises a first lens unit G 1 of negative optical power,...
7365912 Compact zoom lens  
A compact zoom lens suitable for an imaging optical system using a solid-state image sensing device is provided. The zoom lens includes a first lens group having a negative refractive power, a...
7342727 Zoom lens and image capture apparatus  
A zoom lens includes, in the following order from an object side: a first lens group including negative refractive power; a second lens group including negative refractive power; and a third lens...
7339749 Zoom lens and imaging system incorporating it  
The invention concerns a zoom lens that has a zoom ratio of the order of 3, and is of sufficiently compact size and improved optical properties. The zoom lens comprises, in order from its object...
7339745 Zoom lens system and electronic image pickup apparatus using the same  
A zoom lens system comprising, a first negative lens unit; a second positive lens unit; and a third negative lens unit, wherein a space between the second and third lens units changes during...
7336428 Zoom lens system and electronic image pickup apparatus using the same  
A zoom lens system has a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power in order...
7333275 Zoom lens system and image pickup apparatus including the same  
A compact zoom lens system having excellent optical performance. The zoom lens system includes a first lens unit of negative optical power, a second lens unit of positive optical power, a third...
7331693 Zoom lens and image pickup apparatus including the same  
At least one exemplary embodiment is directed to a zoom lens which includes, in order from an object side to an image side, a first lens unit with a negative refractive power, a second lens unit...
7324289 Zoom lens system  
A zoom lens system comprises, in order from an object side, a negative first lens group G 1, a positive second lens group G 2 and a positive third lens group that has positive refractive power....
7324288 Zoom lens system and image pickup apparatus having the system  
At least one exemplary embodiment is directed to a zoom lens system including, in order from an object side to an image side: a first lens unit having a negative optical power; a second lens unit...
7319563 Zoom lens system, imaging device and camera  
An object is to provide a high-resolution zoom lens system which has fewer lens elements and therefore, can be retracted into a compact form when not in use; and the zoom lens system, in order from...
7317582 Zoom lens, video enlarging/projecting system, video projector, rear projector, and multivision system  
The present invention includes three or more lens groups. These are arranged in the order of a first lens group ( 11 ) that has positive refractive power and a second lens group ( 12 ) that has...
7317580 Zoom lens  
In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups...
7315425 Zoom lens and image projection apparatus having the same  
A zoom lens of the invention has three lens groups. In the zoom lens, magnification change is performed by moving only one lens group among the three lens groups, and focus adjustments is performed...
7315422 Image forming device  
An image forming device is provided with: a zoom lens system TL that performs magnification varying by changing the distance between the lens units; and an image sensor SR that converts an optical...
7312930 Zoom lens  
A zoom lens includes a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. The...
7307797 Zoom lens system, lens barrel, 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...
7307795 Zoom lens and image pickup apparatus having the same  
The present invention has as its object to obtain a zoom lens having a high variable power ratio, and having high optical performance which can sufficiently cope with even the use, for example, of...
7304804 Zoom lens device  
A zoom lens device has a zoom lens system having a plurality of lens units; and an image sensor converting an optical image formed by the zoom lens system, into electric image data. Lens surfaces...
7304803 Zoom lens unit, imaging device and photographing device  
A zoom lens unit includes: a positive first lens group; a negative second lens group; and a positive subsequent lens group as a whole, the subsequent lens group includes a third lens group, and an...
Matches 1 - 50 out of 615 1 2 3 4 5 6 7 8 9 10 11 12 13 >