Matches 201 - 250 out of 369 < 1 2 3 4 5 6 7 8 >


Match Document Document Title
US20140240847 Zoom Lens  
A zoom lens includes a first lens group, a second lens group, a third lens group, a fourth lens group, a fifth lens group and a sixth lens group, all of which are arranged in sequence from an...
US20140146397 VARIABLE MAGNIFICATION OPTICAL SYSTEM AND IMAGING APPARATUS  
A variable magnification optical system includes a relay lens group (a fifth lens group) substantially consisting of a relay front group and a relay rear group with a predetermined air space...
US20140002714 ZOOM LENS AND IMAGE PICKUP APPARATUS  
The zoom lens includes at least five lens groups including first, second, third, fourth and fifth lens groups respectively having positive, negative, negative, positive and positive refractive...
US20120287312 ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens system comprises, from an object side to an image side: a first lens unit; a second lens unit; a third lens unit; a fourth lens unit; and a fifth lens unit having positive refractive...
US20120038795 Image pickup apparatus  
A zoom lens includes, in order from the object side to the image side, a first lens unit having a positive refracting power and including a reflecting member having a reflecting surface, a second...
US20110292253 Image forming optical system and image pickup apparatus equipped with same  
An optical system including five lens units having, in order from the object side, positive, negative, positive, negative, positive refracting powers respectively. The distances between the lens...
US20110222167 COMPACT ZOOM LENS  
A zoom lens includes a first lens group including an optical path change member that changes an optical path, a second lens group including at least one negative lens and at least one positive...
US20110080653 ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens system comprises, from an object side to an image side: a first lens unit; a second lens unit; a third lens unit; a fourth lens unit; and a fifth lens unit having positive refractive...
US20110063479 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 the zoom lens system, in order from the object side to the image side, comprises: a...
US20100271601 PROJECTING ZOOM LENS AND PROJECTION TYPE DISPLAY APPARATUS  
The projecting zoom lens includes, sequentially from its magnification side, a negative first lens group, a positive second lens group, a negative third lens group, a positive fourth lens group, a...
US20100195215 HIGH ZOOM-RATIO ZOOM LENS SYSTEM  
A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, a negative fourth lens group, a positive fifth lens group, and a...
US20150234161 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; and a third lens group having positive...
US20150219882 ZOOM LENS AND IMAGING APPARATUS HAVING THE SAME  
A zoom lens includes a focus lens group having a negative refractive power. The focus lens group is configured to move during focusing. In the zoom lens, a distance between lens groups arranged...
US20150109485 Zoom Lens And Image Pickup Device  
A first lens group includes a plano-concave and negative first lens, a catoptric element having a flat object side surface and a flat image side surface, and a first cemented lens, for example....
US20150092280 ZOOM LENS AND IMAGING APPARATUS  
The zoom lens substantially consists of a positive first lens group fixed while changing magnification, a negative second lens group which moves from the object side to the image side while...
US20150062385 ZOOM LENS AND IMAGE PICKUP 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...
US20140362452 ZOOMING OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING ZOOMING OPTICAL SYSTEM  
A zooming optical system that is compact and has high zooming ratio and superb optical performance, optical system and a method for manufacturing the zooming optical system, are provided. The...
US20140184884 ZOOM LENS AND CAMERA DEVICE  
The zoom lens comprises the foremost or first lens group of positive refractive power located the closest to an object, the succeeding second lens group of negative refractive power, and the third...
US20140085734 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens substantially consists of, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a...
US20140043692 ZOOM LENS AND IMAGE-PICKUP APPARATUS  
A zoom lens includes, in order from an object side to an image side, a first, a second, a third, a fourth and a fifth lens units respectively having positive, negative, positive, negative, and...
US20130308105 PROJECTION ZOOM LENS AND PROJECTOR  
A projection zoom lens constituting a projection optical system of a projector, which projects an image displayed on a surface of an image display element on a projected surface, so as to magnify...
US20130242165 VARIABLE FOCAL LENGTH LENS SYSTEM AND IMAGE PICKUP APPARATUS  
Disclosed herein is a variable focal length lens system including: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group...
US20130201370 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING 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, and a rear lens...
US20130141796 ZOOM LENS  
A zoom lens includes a first lens group, a second lens group, a third lens group, an aperture, a fourth lens group, and a fifth lens group in order along an optical axis from an object side to an...
US20130021675 VARIABLE FILTER COMPENSATION FOR HIGH-APERTURE CAMERA LENSES  
The present invention relates to a lens or objective for a camera, more particularly for a digital camera, comprising a housing, an actuating element arranged on the housing, and a lens element...
US20120229902 Zoom Lens System, Imaging Device and Camera  
A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having negative optical power; a second lens unit having positive optical power; a third lens unit...
US20120087017 ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH SAME  
A zoom lens includes, in order from the object side to the image side, a positive refractive first lens unit, a negative refractive second lens unit, a positive refractive third lens unit, and a...
US20110194015 Zoom lens and imaging apparatus  
A zoom lens includes: a first lens group including a reflection member that deflects an optical path by 90 degrees and having positive refracting power; a second lens group having negative...
US20110149119 ZOOM LENS AND IMAGE PICKUP APPARATUS  
A zoom lens includes: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth...
US20110090373 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
Provided is a zoom lens including, in order from an object side to an image side: a positive first lens unit without moving for zooming; a negative second lens unit moving during zooming; a...
US20110085249 ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS  
A zoom lens system and an image pickup apparatus including the same are provided. The zoom lens system includes a first lens group having a positive refractive power, a second lens group having a...
US20110085248 Variable focal length lens system and image pickup device  
Disclosed herein is a variable focal length lens system including a first lens group, a second lens group, a third lens group, a fourth lens group, and a fifth lens group. The first to the fifth...
US20110080650 ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens system comprises, from an object to an image side: a first, a second, a third, a fourth, and a fifth lens units, wherein all units move during zooming so that an interval between the...
US20110051257 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes, in order from an object side to an image side, first and second lens units respectively having positive and negative refractive powers, a reflecting prism for bending an...
US20090052051 OPTICAL SYSTEM, IMAGING APPARATUS, AND METHOD FOR FORMING IMAGE BY THE OPTICAL SYSTEM  
Providing an optical system having excellent optical performance with sufficiently correcting spherical aberration and curvature of field, an imaging apparatus, and a method for forming an image...
US20150241676 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens essentially consists of positive first lens group, negative second lens group, negative third lens group, negative fourth lens group, and positive fifth lens group in this order from...
US20150241673 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens consists essentially of, in order from the object side, a positive first lens group, a positive second lens group, a negative third lens group, a negative fourth lens group, and a...
US20150089793 LENS SYSTEM, OPTICAL APPARATUS AND MANUFACTURING METHOD  
A lens system having, in order from an object, at least a first lens group G1 having positive refractive power, and second to fourth lens groups G2 to G4, wherein the first lens group G1 includes...
US20140132830 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM  
A zoom lens system comprising a plurality of lens units, wherein a lens unit located closest to an object side and a lens unit located closest to an image side are fixed with respect to an image...
US20140104697 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens substantially consists of, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a...
US20140085733 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens substantially consists of, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a...
US20140063604 ZOOM LENS AND IMAGE-PICKUP APPARATUS INCLUDING THE SAME  
The zoom lens includes a front unit including a first positive lens unit and a second positive or negative lens unit, a reflective mirror and a rear unit including two or more lens units. During...
US20130321689 Zoom Lens And Image Pickup Unit  
A zoom lens includes: a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth...
US20130242142 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM  
A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; and a second lens unit having negative optical power, wherein the...
US20130229565 ZOOM LENS AND IMAGE PICKUP APPARATUS  
A zoom lens includes a fixed first lens group having a positive refracting power, a second lens group having a negative refracting power and movable along an optical axis, a fixed third lens group...
US20130148009 ZOOM LENS AND IMAGE PICKUP APPARATUS  
A zoom lens includes, from the object side, a positionally-fixed first lens group having a positive refracting power, a second lens group having a negative refracting power and movable in an...
US20130148004 ZOOM LENS AND IMAGE PICKUP APPARATUS  
A zoom lens includes, in order from the object side, a first lens group having a positive refracting power and fixed in position, a second lens group having a negative refracting power and movable...
US20130093940 Zoom Lens System, Interchangeable Lens Apparatus and Camera System  
A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; and a third lens...
US20130021674 ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME  
A zoom lens includes, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, a negative fifth lens...
US20120200940 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME  
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, and a rear group...

Matches 201 - 250 out of 369 < 1 2 3 4 5 6 7 8 >