Matches 51 - 100 out of 369 < 1 2 3 4 5 6 7 8 >


Match Document Document Title
US20090195885 Zoom lens  
The invention is directed to inner-focusing zoom lenses that include multi groups of lens pieces, namely, the first lens group or the leading lens group of positive refractivity, the second lens...
US20090046199 Image-capture apparatus and variable magnification lens  
An image-capture apparatus includes a variable magnification lens, imaging means for converting an image taken by the variable magnification lens into an electrical image signal, and imaging...
US20140368699 Zoom Lens and Image Pickup Apparatus Using the Same  
A zoom lens comprising, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth...
US20130242171 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA  
A zoom lens system comprising: a positive first lens unit; a negative second lens unit; a positive third lens unit; a fourth lens unit; and at least one subsequent lens unit, wherein the...
US20150015966 ZOOM LENS AND OPTICAL APPARATUS INCLUDING THE SAME  
Provided is a zoom lens in which a variation in aberration with respect to a temperature change is small and excellent optical characteristics can be easily obtained. The zoom lens includes...
US20130021676 ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH THE ZOOM LENS  
A zoom lens includes a first lens unit (positive), a second lens unit (negative), a third lens unit (positive), and a rear lens group having one or more lens units. During zooming from the...
US20110228406 ZOOM LENS SYSTEM, OPTICAL DEVICE WITH THE ZOOM LENS SYSTEM, AND METHOD OF MANUFACTURING THE ZOOM LENS SYSTEM  
A zoom lens system has a front lens group and a rear lens group along the optical axis and in order from the object side. The rear lens group has a first lens unit having a positive refracting...
US20120212835 ZOOM LENS  
In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is...
US20110286105 ENHANCED VARIABLE POWER ZOOM LENS  
The present invention is directed to provide an enhanced variable power zoom lens that is lightweight as a whole, and especially, has its focusing lens optics reduced in weight so as to relieve of...
US20120105708 ZOOM LENS AND IMAGE PICKUP APPARATUS WITH THE ZOOM LENS  
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, an aperture stop,...
US20120314299 ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH ZOOM LENS  
A zoom lens includes, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, a reflective element, and a rear lens group including two or more lens...
US20140268364 ZOOM LENS AND IMAGE PICKUP DEVICE PROVIDED WITH THE SAME  
A zoom lens includes: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a positive refractive power; and a rear...
US20130070123 Temperature-Compensated Zoom Lens System  
A zoom lens system used in a spectrum region including visible light has movable lens groups moved for zooming, and has, in a movable lens group, a negative lens element made of a material...
US20110019288 ZOOM LENS  
An inner-focusing zoom lens that includes multi groups of lens pieces, namely, the first lens group or the leading lens group of positive refractivity, the second lens group of negative...
US20110002046 OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING THE SAME  
An optical system having a larger total lens length than a focal length includes lenses L and NL at least one of a magnification conjugate side and a reduction conjugate side with respect to an...
US20130169856 ZOOM LENS AND PHOTOGRAPHING APPARATUS  
A zoom lens and a photographing apparatus including the same. The zoom lens includes a first lens group having a positive refractive power, a second lens group having a negative refractive power,...
US20110149118 Zoom Lens and Photographing Apparatus  
A zoom lens and a photographing apparatus including the same. The zoom lens includes a first lens group having a positive refractive power, a second lens group having a negative refractive power,...
US20120300096 Zoom Lens and Image Pickup Apparatus Using the Same  
A zoom lens comprises in order from an object side, a first lens unit, a second lens unit, a third lens unit, a fourth lens unit, and a fifth lens unit having, respectively, a positive, negative,...
US20110254994 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE ZOOM LENS  
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit...
US20100321790 ZOOM LENS AND CAMERA WITH THE SAME  
The zoom lens is a retractable bent-type zoom lens capable of providing a high zoom ratio and a reduced thickness, and capable of retracting into a camera body with an easily-configured mechanism....
US20110019033 ZOOM LENS AND IMAGING APPARATUS  
Disclosed are a zoom lens and an imaging apparatus having a high zoom ratio, a small total length, and a small overall size. A zoom lens includes a first lens group having a positive refractive...
US20120327272 Zoom Lens System, Imaging Device and Camera  
A zoom lens system comprising: a positive first lens unit; a negative second lens unit; a positive third lens unit; a fourth lens unit; and an aperture diaphragm provided between the third lens...
US20150015969 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens includes: a first lens group having a positive refractive power which is fixed while changing magnification; two or more movable lens groups that move independently from each other...
US20110109978 Zoom lens and image pickup apparatus equipped with same  
A zoom lens according to the present invention includes, in order from the object side to the image side, a first lens unit having a positive refracting power, a second lens unit having a negative...
US20150146045 ZOOM LENS AND IMAGING APPARATUS INCLUDING THE SAME  
A zoom lens includes, in order from an object side to an image side, a first lens unit having positive refractive power, a second lens unit having negative refractive power, a third lens unit...
US20120087016 ZOOM LENS AND IMAGE PICKUP APPARATUS WITH ZOOM LENS  
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a third lens...
US20130010174 ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH ZOOM LENS  
A zoom lens including first to fifth lens units in order from an object side toward an image. The refractive powers of the first to the fifth lens units are positive, negative, positive, negative...
US20110261467 ZOOM LENS, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING ZOOM LENS  
A zoom lens ZL including an optical element P for deflecting an optical path, including, in order from an object: a first lens group G1 having positive refractive power; a second lens group G2...
US20150124127 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA  
A zoom lens system comprising a plurality of lens units each being composed of at least one lens element, and comprising, in order from an object side to an image side, a first lens unit having...
US20140268365 Zoom Lens and Image Pickup Apparatus Equipped with Same  
A zoom lens consists of, in order from the object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a...
US20130314675 PROJECTION ZOOM LENS AND PROJECTION DISPLAY APPARATUS  
A six group projection zoom lens downsized with broadened angle of view while aberrations are satisfactorily corrected over the entire zoom range, including a negative lens group having a negative...
US20120262608 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes a first lens unit having a positive refractive power which does not move for zooming; a second lens unit having a negative refractive power which moves during zooming; a third...
US20110157718 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A small zoom lens having a high zoom ratio and high optical performance over an entire zoom range is obtained. The zoom lens includes, in order from an object side to an image side: a first lens...
US20120019928 ZOOM LENS AND IMAGE PICKUP APPARATUS WITH ZOOM LENS  
A zoom lens includes a first lens unit having a negative refractive power and which is provided at a location closest to an object side, a lens unit LP having a positive refractive power, which is...
US20150247995 VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL DEVICE, AND PRODUCTION METHOD FOR VARIABLE MAGNIFICATION OPTICAL SYSTEM  
Composing, in order from an object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive...
US20140340545 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA  
A zoom lens system comprising: a positive first lens unit composed of three or more lens elements; a negative second lens unit; a positive third lens unit; a negative fourth lens unit; and a...
US20140176778 ZOOM LENS AND PHOTOGRAPHING APPARATUS HAVING THE SAME  
A zoom lens and a photographing apparatus having the zoom lens are provided. The zoom lens includes: a first lens group having a positive refractive power; a second lens group having a negative...
US20140125827 Zoom Lens and Image Pickup Apparatus Using the Same  
During zooming from the wide angle end to the telephoto end, the distance between the first lens unit having a positive refractive power and the second lens unit having a negative refractive...
US20150160442 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME  
A zoom lens includes, in order from an object side to an image side, a first lens unit having positive refractive power, a second lens unit having negative refractive power, and a rear lens group...
US20100123956 ZOOM LENS AND CAMERA HAVING THE SAME  
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a reflection unit...
US20110317280 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE ZOOM LENS  
A zoom lens includes, in order from the object side to the image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens...
US20110176223 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE ZOOM LENS  
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a subsequent...
US20120320251 ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH ZOOM LENS  
A zoom lens includes, in order from an object side to an image side, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, a third lens unit of a...
US20150185448 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens consists of a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth...
US20140139720 Zoom Lens and Image Pickup Apparatus Equipped with Same  
A zoom lens comprising, in order from the object side to the image side a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens...
US20140313592 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING ZOOM LENS  
A zoom lens including a first lens unit having a positive refractive power, a second lens unit having a negative reflective power, a third lens unit having a positive refractive power, and a rear...
US20110261250 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA  
A zoom lens system comprising a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, a fourth lens unit...
US20130100335 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes, in order from an object side to an image side, first to fifth lens units respectively having positive, negative, positive, negative, and positive refractive powers. During...
US20130033758 ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH ZOOM LENS  
A zoom lens includes, in order from an object side to an image side, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, a reflective unit...
US20110261232 ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA  
A zoom lens system comprising a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, a fourth lens unit...

Matches 51 - 100 out of 369 < 1 2 3 4 5 6 7 8 >