Matches 151 - 200 out of 276 < 1 2 3 4 5 6 >


Match Document Document Title
US20120013992 ZOOM LENS AND IMAGE PICKUP APPARATUS  
A zoom lens comprising, in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens...
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...
US20100134900 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens is provided and includes: a first lens group having a positive power, a second lens group having a negative power, a stop, a third lens group having a positive power, and a fourth lens...
US20100128361 Zoom lens and image pickup apparatus equipped with same  
A zoom lens includes, in order from the object side thereof, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit having a...
US20150198792 ZOOM LENS AND IMAGING APPARATUS  
The zoom lens consists essentially of a positive first lens group, a negative second lens group, an aperture stop, a third lens group, a positive fourth lens group and a fifth lens group in this...
US20150160444 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens consists essentially of a positive first lens group, a negative second lens group, a negative third lens group, and a positive fourth lens group. During zooming from the wide angle end...
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...
US20140375844 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM  
A zoom lens system having at least five lens units, each lens unit being composed of at least one lens element, the zoom lens system, in order from an object side to an image side, comprising: a...
US20140111870 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens includes: a first lens group having a negative power; and a second lens group having a refractive power, in this order from an object side. The zoom lens satisfies the following...
US20140098426 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...
US20130342716 ZOOM LENS, IMAGING OPTICAL DEVICE, AND DIGITAL DEVICE  
Disclosed is a zoom lens that forms an optical image of an object on a light receiving surface of an imaging element converting the optical image to an electrical signal, having the diagonal...
US20130201394 ZOOM LENS AND IMAGE PICKUP APPARATUS  
A zoom lens and an image pickup apparatus having such a zoom lens are provided. The zoom lens includes a first lens group in which each lens has negative refractive power, a second lens group in...
US20130148005 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM  
A zoom lens system wherein a positive lens unit located closest to an object side is fixed with respect to an image surface in zooming, a negative lens unit, among lens units located on an image...
US20130088786 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME  
A zoom lens includes a lens unit Ln having negative refractive power including two or less lenses moving during focusing and zooming, a lens unit Lp1 having positive refractive power disposed...
US20120314291 Large Aperture Zoom Optical System and Image Pickup Apparatus  
A large aperture zoom optical system and an image pickup apparatus have a five-lens-group arrangement of positive-negative-positive-negative-positive refractive powers. At the time of zooming, the...
US20120162778 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 negative optical power, a second lens unit having positive optical power, a third lens unit...
US20120147251 IMAGING APPARATUS AND OPTICAL SYSTEM USED FOR IMAGING APPARATUS  
An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable...
US20120140337 Zoom lens and image capturing apparatus  
An inner focus type zoom lens includes a first lens group that has positive refracting power and is normally located at a fixed position, a second lens group that has negative refracting power and...
US20120075717 VARIABLE POWER OPTICAL SYSTEM AND IMAGING APPARATUS  
A variable power optical system, including a fixed negative first lens group, a second positive lens group and a third positive lens group, wherein the first lens group includes a deflecting...
US20100302640 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...
US20100238562 ZOOM LENS SYSTEM AND OPTICAL APPARATUS USING THE SAME  
Providing a zoom lens system being compact and simple having excellent optical performance suitable for an optical apparatus with a limited space for a zoom lens, and capable of shifting an image,...
US20100214664 COMPACT ZOOM LENS SYSTEM AND IMAGE PICKUP DEVICE WITH THE SAME  
A compact zoom lens system includes, in order from an object side to an image side along an optical axis thereof, a first lens group having positive refractive power, a second lens group having...
US20100214658 ZOOM LENS, OPTICAL APPARATUS EQUIPPED THEREWITH AND METHOD FOR MANUFACTURING THE ZOOM LENS  
A zoom lens ZL installed in an electronic still camera 1 includes a first lens group G1 having positive refractive power disposed to the most object side, a second lens group G2 disposed to an...
US20100202053 Zoom lens and image pickup apparatus  
A zoom lens includes, in order from an object side to an image side, a positive refractive, fixed first lens unit; a negative refractive second lens unit movable mainly for zooming; a positive...
US20100194930 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM  
Provided is a zoom lens system including a compact focusing lens unit and having a suppressed change in image magnification at the time of movement of the focusing lens unit. The zoom lens system...
US20100182704 Zoom Lens and Image Pickup Apparatus  
A zoom lens includes: a first lens group with a positive refractive power, including a reflection optical element; a second lens group with a negative refractive power; a third lens group with a...
US20100157106 Zoom lens system and image pickup apparatus using the same  
A zoom lens system includes in order from an object side, a first lens unit having a negative refracting power, a second lens unit having a positive refracting power, a third lens unit having a...
US20100149654 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes first to fourth lens units in order from the object side to the image side. The first, third, and fourth lens units have a positive refractive power. The second lens unit has...
US20100149406 Zoom lens and imaging apparatus using the same  
A zoom lens comprises, in order from an object side, a first lens group with a negative refracting power; a second lens group with a positive refracting power; a third lens group with a positive...
US20100123957 ZOOM LENS AND IMAGING APPARATUS  
A first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having the negative refractive power, and a fourth lens group having...
US20170184825 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING 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...
US20170176731 ZOOM OBJECTIVE LENS  
The invention relates to a zoom objective lens with continuously adjustable magnification, comprising five lens groups, where the first lens group, the second lens group and the fifth lens group...
US20170176728 ZOOM LENS SYSTEM AND IMAGING APPARATUS  
A zoom lens system, in order from an object side to an image side, includes: a first lens group having positive optical power; a second lens group having negative optical power; a third lens group...
US20170168273 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING 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, a fourth...
US20170168260 LENS BARREL, OPTICAL DEVICE, AND IMAGING APPARATUS  
A lens barrel having a photographing state and a collapsed state is provided. The lens barrel is provided with a fifth group lens unit which is retracted from a portion on an optical axis and a...
US20170160526 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 first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a...
US20170153412 LENS BARREL AND OPTICAL APPARATUS  
The lens barrel includes a first rotatable member rotatable to move a focusing lens in an optical axis direction, a first aperture stop unit including a first light-blocking member and a second...
US20170123195 ELECTRONIC DEVICE INCLUDING OPTICAL SYSTEM HAVING A TELEPHOTO LENS  
An optical system is provided. The optical system includes a first lens group that has a positive refractive power, a second lens group that has a negative refractive power, a third lens group...
US20170123194 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens has, in order from an object side to an image side, a positive first lens unit, a negative second lens unit, a positive third lens unit, a positive fourth lens unit, and a fifth lens...
US20170108680 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens, including, in order from an object side: a negative first unit being not moved for zooming; a second unit including at least one sub-unit that is moved during zooming, and having a...
US20170108678 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens, includes, in order from object side: a front unit including a unit including a first unit arranged closest to the object side and not moving for zooming; an Nf unit including three or...
US20170108677 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes, in order from object side: a positive first unit not moving for zooming; a second unit moving during zooming; a positive third unit; a positive fourth unit; and a rear unit...
US20170102514 PLURALITY OF IMAGING OPTICAL SYSTEMS AND IMAGE PICKUP APPARATUS USING THE SAME  
A plurality of imaging optical systems includes at least two imaging optical systems having different focal lengths. Each imaging optical system includes in order from an object side, a front lens...
US20170090166 Zoom Lens and Image Pickup Apparatus Using the Same  
A zoom lens includes in order from an 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 positive...
US20170075093 VARIABLE POWER OPTICAL SYSTEM, OPTICAL DEVICE, AND METHOD OF MANUFACTURING VARIABLE POWER OPTICAL SYSTEM  
A variable magnification optical system comprises, in order from an object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third...
US20170068079 ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME  
A zoom lens includes a front unit having a negative refractive power and a rear unit having a positive refractive power, which includes an aperture stop, and the front unit includes a first lens...
US20170068078 ZOOM OPTICAL SYSTEM AND IMAGING APPARATUS PROVIDED WITH THE SAME  
A zoom optical system includes a negative first lens group having a first deflection optical element, a positive second lens group, a positive third lens group, a positive fourth lens group, and a...
US20170052352 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
Provided is an optical system, including, 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...
US20170038570 OBJECTIVE OPTICAL SYSTEM  
An objective optical system includes in order from an object side a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens...

Matches 151 - 200 out of 276 < 1 2 3 4 5 6 >