Matches 51 - 100 out of 276 < 1 2 3 4 5 6 >


Match Document Document Title
US20130201565 Inner Focusing Telephotographing Zoom Lens  
The present invention is directed to providing a large aperture telephotographing zoom lens that employs an inner-focusing system to enable quick focusing and avoid a great aberration when the...
US20120050884 ZOOM LENS, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING ZOOM LENS  
A zoom lens ZL comprising a first lens group G1 having negative refractive power, a second lens group G2 having positive refractive power, and a third lens group G3 having positive refractive...
US20130235467 FISH EYE LENS SYSTEM AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME  
A fish eye lens system and a photographing apparatus including the same, the fish eye lens system including, in an order from an object side to an image side: a first lens group having a negative...
US20110216423 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, and a positive fourth lens group, in that order from the object...
US20140029101 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 fourth lens units having negative, positive, negative, and positive refractive power, respectively. Each lens unit...
US20150234166 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
Provided is a zoom lens including a plurality of lens units, in which an interval between adjacent lens units changes during zooming. The zoom lens includes: a first lens subunit having a positive...
US20090168179 Zoom lens and image pickup apparatus  
A zoom lens and an image pickup apparatus are disclosed. The zoom lens includes, in order from an object side to an image side, a first lens group having a positive refractive power, a second lens...
US20140300974 ZOOM LENS SYSTEM  
Provided is a zoom lens system including: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive...
US20130215320 Zoom Lens System, Imaging Optical Device, and Digital Appliance  
A zoom lens system is composed of negative, positive, negative, and positive lens groups, of which at least the first to third move during zooming. During zooming from the wide-angle end to the...
US20110286107 ENHANCED VARIABLE POWER ZOOM LENS  
An enhanced variable power zoom lens is lightweight in whole and in part, especially, having its focusing lens optics reduced in weight so as to relieve of a load on a focusing drive system, and...
US20140132790 Zoom Lens and Image Pickup Apparatus Equipped with Same  
A zoom lens includes a frontmost lens unit, which is located closest to the object side and a plurality of lens units located closer to the image side than the frontmost lens unit. All the...
US20130050827 ZOOM LENS  
A zoom lens includes sequentially from an object side, a first lens section G11 having a negative refractive power and a second lens section G12 having a positive refractive power. The first lens...
US20120176686 ZOOMS LENS SYSTEM AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME  
A zoom lens system and a photographing apparatus including the same, wherein the zoom lens system includes a first lens group including one or more lenses, and an optical member for changing a...
US20120019930 HIGH-SPEED ZOOM LENS  
Embodiments of an optical zoom lens system may comprise three lens groups with a PNP power sequence. The first lens group may vary focus. The second and third lens groups may be movable to vary...
US20110205635 ZOOM LENS ASSEMBLY  
This invention provides a zoom lens assembly in order from an object side toward an image side including a first lens group with negative refractive power, a second lens group with positive...
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...
US20140177066 VARIABLE MAGNIFICATION OPTICAL SYSTEM AND IMAGING APPARATUS  
A variable magnification optical system substantially consists of a first lens-group having positive refractive-power, and which is fixed during magnification change, a second lens-group having...
US20110058260 ZOOM LENS SYSTEM AND IMAGING APPARATUS INCLUDING THE SAME  
A zoom lens system includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive...
US20150168696 Zoom Lens and Imaging Apparatus  
An object of the present invention is to provide a low-cost, miniature, wide-angle high-zoom-ratio zoom lens that has high imaging performance, and an imaging apparatus equipped with the zoom...
US20110157720 ZOOM LENS AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME  
A small-sized zoom lens having a high zooming rate and a high optical performance, the zoom lens including a first lens group having a positive refractive power, a second lens group having a...
US20140334011 IMAGING LENS AND IMAGING APPARATUS  
An imaging lens includes: a first lens group having a positive refractive power which is fixed during focusing operations; a second lens group having a positive refractive power which moves during...
US20130120853 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
Provided is a zoom lens comprising, in order from an object side to an image side, a first lens unit having positive refracting power; a second lens unit having negative refracting power; a third...
US20090219619 ZOOM LENS SYSTEM, IMAGING APPARATUS, METHOD FOR ZOOMING, AND METHOD FOR VIBRATION REDUCTION  
Providing a high optical performance zoom lens system with realizing a high zoom ratio and compactness suitable for a highly integrated electronic imaging device. The system includes, in order...
US20140146216 ZOOM LENS AND IMAGE PICKUP APPARATUS  
The 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...
US20150002943 VARIABLE MAGNIFICATION OPTICAL SYSTEM AND IMAGING APPARATUS  
In a variable magnification optical system, including a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a...
US20110299175 Zoom optical system, and imaging apparatus incorporating the same  
The invention provides a zoom optical system comprising at least three lens groups and designed to implement zooming by varying a separation between the respective lens groups. The zoom optical...
US20110205636 ZOOM LENS SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING ZOOM LENS SYSTEM  
A zoom lens system includes, 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...
US20120327518 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens includes, in order from the object side to the image side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; a third...
US20120092777 ZOOM LENS AND IMAGING APPARATUS INCORPORATING THE SAME  
A zoom lens comprising, in order from an object side thereof, a first lens group of positive refracting power, a second lens group of negative refracting power, an aperture stop, a third lens...
US20140347522 Zoom Lens and Imaging Apparatus  
The zoom lens includes at least, in order from an object side: a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens group...
US20140340764 IMAGING LENS AND IMAGING APPARATUS  
An imaging lens includes: a positive first lens group; a positive second lens group which moves while focusing; and a third lens group. The first lens group includes a positive lens having a...
US20130258494 ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS USING THE SAME  
A zoom lens system includes a positive first lens group, a negative second lens group, and a positive rearward-remaining lens group. Upon zooming from the short to long focal length extremities,...
US20120019931 Zoom lens, and imaging apparatus incorporating the same  
The invention provides a zoom lens, characterized by comprising, in order from an object side thereof, a first lens group of positive refracting power,a second lens group of negative refracting...
US20140185146 ZOOM LENS AND PHOTOGRAPHING APPARATUS HAVING THE SAME  
A zoom lens and a photographing apparatus including 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...
US20120062994 Zoom Lens System, Interchangeable Lens Apparatus and Camera System  
A zoom lens system comprising a positive first lens unit, a positive second lens unit, and at least two subsequent lens units, wherein the first lens unit moves along an optical axis at the time...
US20150168698 IMAGING LENS AND IMAGING APPARATUS  
The imaging lens substantially consists of a first lens group having a positive refractive power and a second lens group having a positive refractive power, in which the entire second lens group...
US20130250435 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes, 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, a third...
US20150241658 MACRO LENS SYSTEM AND IMAGING APPARATUS  
A macro lens system includes, in this order from an object side: a positive first lens group; a negative second lens group; a positive third lens group; a positive fourth lens group; a positive...
US20150153548 ZOOM LENS AND ELECTRONIC APPARATUS INCLUDING THE SAME  
A zoom lens includes: in an order from an object side to an image side, a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens...
US20130250436 ZOOM LENS  
A zoom lens includes a first lens group having a negative power, a second lens group having a positive power, and a third lens group having a positive power arranged in this order from an object...
US20130107089 ZOOM LENS AND IMAGE PICK-UP 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, a third lens...
US20130033759 ZOOM LENS AND INFORMATION DEVICE INCORPORATING THE SAME  
A zoom lens includes first to fifth lens groups having positive, negative, negative, positive, and positive refractive power, respectively. The third lens group includes a single negative meniscus...
US20120069451 ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS  
A zoom lens system includes a negative first lens group, a positive second lens group and a positive third lens group, in that order from the object side, wherein upon zooming from the short to...
US20150260968 ZOOM LENS UNIT, IMAGING DEVICE, AND MONITORING VIDEO CAMERA  
A zoom lens unit includes, in order from an object side to an image side, a first lens group having positive refractive power and a focus function, a second lens group having negative refractive...
US20130208155 ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME  
A zoom lens includes an imaging lens unit having a positive refractive power and provided nearest to an image-side end, and a focusing lens unit having a positive refractive power and provided on...
US20120075716 Zoom lens and electronic amaging apparatus incorporating the same  
The zoom lens of the invention comprises, in order from an object side thereof, a first lens group having positive refracting power, a second lens group having negative refracting power, a third...
US20140009652 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME  
A zoom lens includes, in order from an object side to an image side, a lens unit Ln having the highest negative refractive power of all the following lens units, a lens unit Lm2 having positive...
US20130258162 ZOOM LENS AND IMAGING APPARATUS  
A zoom lens includes a positive first lens group, which is fixed during changing magnification and during focusing, a negative second lens group, which is moved during changing magnification, a...
US20100142058 OBJECTIVE OPTICAL SYSTEM  
The invention relates to a high-performance imaging optical system that achieves a magnification high enough to be capable of microscopic viewing under an endoscope, and is compatible with...
US20140049672 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 which does not move; a second lens unit having a negative...

Matches 51 - 100 out of 276 < 1 2 3 4 5 6 >