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| Application No. | Application Title | Issue Date |
| 20120105977 | ZOOM LENS AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME A zoom lens and a photographing apparatus including the same are provided, where the zoom lens includes, in an order from an object side to an image side: a first lens group having a negative refractive power; and a second lens group having a positive refractive power w... | 05/03/2012 |
| 20120044576 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME A zoom lens includes in order from an object side to an image side and arranged along an optical axis thereof, a first lens unit having a negative refractive power, and a second lens unit having a positive refractive power. A distance between each lens unit changes when... | 02/23/2012 |
| 20120044388 | LENS APPARATUS AND IMAGE PICKUP APPARATUS The lens apparatus includes an aperture stop (SP) forming an aperture, a first lens (A or B) disposed on a first side further than the aperture stop, the first side being one of an object side and an image side, and a second lens (B or A) disposed on a second side furth... | 02/23/2012 |
| 20120013996 | OPTICAL SYSTEM HAVING FISHEYE ZOOM LENS AND OPTICAL APPARATUS HAVING THE OPTICAL SYSTEM An optical system includes, in order from an object side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power. The optical system satisfies: 1.70≦Yt/Yw≦2.5, Y=2×f×sin(θ/2))(85°≦θ≦90°), and 3.45≦b... | 01/19/2012 |
| 20120008215 | Zoom Lens and Image Pickup Apparatus Equipped with Same A zoom lens has a plurality of lens units including, in order from its object side to image side, a first lens unit having a negative refracting power composed of two lens elements including a biconcave negative lens and a positive lens, and a second lens unit having a ... | 01/12/2012 |
| 20110317281 | IMAGING LENS, OPTICAL APPARATUS EQUIPPED THEREWITH, AND METHOD FOR MANUFACTURING IMAGING LENS The imaging lens includes, in order from an object side, a first lens group having positive refractive power; and a second lens group having the positive refractive power, the first lens group being fixed with respect to an image plane, the second lens group being moved... | 12/29/2011 |
| 20110292522 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME A zoom lens, including: a front lens group; an aperture stop; and a rear lens group, in which the rear lens group includes: a front lens unit and a rear lens unit, a maximum air interval of the rear lens group being interposed between the front lens unit and the rear le... | 12/01/2011 |
| 20110205637 | ZOOM LENS A zoom lens includes sequentially from an object side a first lens group having a negative refractive power; a diaphragm; and a second lens group having a positive refractive power. Zoom from a wide angle edge to a telephoto edge is performed by displacement of the seco... | 08/25/2011 |
| 20110205638 | ZOOM LENS A zoom lens includes sequentially from an object side a first lens group having a negative refractive power; a diaphragm; and a second lens group having a positive refractive power. Zoom from a wide angle edge to a telephoto edge is performed by displacement of the seco... | 08/25/2011 |
| 20110164326 | Miniature auto-focusing lens device A miniature auto-focusing lens device includes a first casing, a second casing coupled to the first casing, a movable lens set disposed in the first casing, an electromagnetic driving module provided in the first casing and configured to drive the movable lens set to pe... | 07/07/2011 |
| 20110157710 | ZOOM LENS A zoom lens including a first lens group and a second lens group arranged in sequence from a magnified side toward a reduced side is provided. The first lens group has a negative refractive power and includes a first lens, a second lens, a third lens, and a fourth lens ... | 06/30/2011 |
| 20110109963 | RELAY ZOOM SYSTEM A relay zoom system includes, in order from an object side, a first lens group having a positive refractive power and a second lens group having a positive refractive power. Furthermore, in the relay zoom system, the first lens group and the second lens group are each m... | 05/12/2011 |
| 20110102625 | Image Forming Optical System and Electronic Image Pickup Apparatus Using Image Forming Optical System An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the apertu... | 05/05/2011 |
| 20110080654 | OPTICAL SYSTEM AND OPTICAL DEVICE INCLUDING THE SAME Provided is a zoom lens system including: in order from an object side to an image side, a first lens unit having a positive refractive power; an aperture stop; and a second lens unit, in which the first lens unit includes a first-a lens unit having a positive refractiv... | 04/07/2011 |
| 20110075270 | ELECTRONIC IMAGE PICKUP SYSTEM The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement, of a zooming movable lens group while high specifications and performa... | 03/31/2011 |
| 20110043927 | OPTICAL IMAGING SYSTEM, CAMERA DEVICE, AND HAND-HELD DATA TERMINAL DEVICE An optical imaging system includes a first lens group having a positive or negative optical power, an aperture diaphragm, and a second lens group having a positive optical power arranged in order from an object side. The first lens group includes a first front lens grou... | 02/24/2011 |
| 20110013071 | Imaging lens system This invention provides an imaging lens system including, in order from an object side to an image side: a first lens group with negative refractive power comprising a single first lens element with negative refractive power; a second lens group with positive refractive... | 01/20/2011 |
| 20100284093 | ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME A zoom lens comprises a first lens group having a negative refractive power and a second lens group having a positive refractive power in order from object to image sides, an interval between the first and second lens groups changes in a zoom operation, the first lens g... | 11/11/2010 |
| 20100259837 | LENS DRIVER UNIT, IMAGING DEVICE, AND HAND-HELD DATA TERMINAL DEVICE A lens driver unit includes a plurality of lens groups including a first lens group and a second lens group, a first lens frame with first and second engaging portions, a second lens frame with a third engaging portion to engage with the first engaging portion, a lens b... | 10/14/2010 |
| 20100259836 | Zoom lens module Disclosed herein is a zoom lens module that may include a first zoom lens group on an optical axis, a second zoom lens group on the optical axis, and a first driving unit configured to move at least one of the first zoom lens group and the second zoom lens group to vary... | 10/14/2010 |
| 20100246028 | ZOOM LENS A zoom lens includes, sequentially from an object side, a first lens group that is negative; and a second lens group that is positive, where focal length is varied by varying a distance between the first lens group and the second lens group. The first lens group include... | 09/30/2010 |
| 20100182677 | ZOOM LENS A zoom lens includes a first lens group and a second lens group disposed between the first lens group and an image side. The first lens group has three lenses. Refractive powers of the three lenses arranged from an object side to the image side are respectively negative... | 07/22/2010 |
| 20100091383 | ZOOM LENS ASSEMBLY AND ZOOM LENS MODULE A zoom lens assembly and zoom lens module are provided, including a first lens, a second lens, a plurality of guiding blocks, a sheathing tube, a plurality of linking members and an adjusting tube. The first lens includes a plurality of curved surfaces disposed on a sec... | 04/15/2010 |
| 20100039710 | ZOOM LENS A zoom lens includes, sequentially from an object side, a first lens group having a negative refractive power; and a second lens group having a positive refractive power, where focal length is varied by changing a distance between the first lens group and the second len... | 02/18/2010 |
| 20090323200 | IMAGING OPTICAL SYSTEM, CAMERA APPARATUS, AND PERSONAL DIGITAL ASSISTANT An imaging optical system, including a first lens group; an aperture stop; a second lens group having a positive power, the first lens group, the aperture stop and the second lens group being arranged from a side of an object sequentially, wherein the second lens group ... | 12/31/2009 |
| 20090323199 | VARIABLE-POWER OPTICAL SYSTEM AND IMAGING APPARATUS The variable-power optical system is provided and includes a first lens group having a negative refractive power, a stop, and a second lens group having a positive refractive power, in order from an object side. The first lens group includes a first sub lens group havin... | 12/31/2009 |
| 20090279184 | Image Forming Optical System and Electronic Image Pickup Apparatus Using Image Forming Optical System In an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the negative lens group is disposed at an image side of the of the aperture stop,
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| 20090279185 | Image Forming Optical System and Electronic Image Pickup Apparatus Using Image Forming Optical System An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the negative lens group is disposed at an object side of the apertu... | 11/12/2009 |
| 20090279183 | Image Forming Optical System and Electronic Image Pickup Apparatus Using Image Forming Optical System An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an image-plane side of the a... | 11/12/2009 |
| 20090268308 | LENS SYSTEM AND OPTICAL APPARATUS HAVING THIS LENS SYSTEM A lens system includes, in order from an object: a first lens group having negative refractive power; and a second lens group having positive refractive power, the first lens group including, in order from the object, a lens having a negative refractive power, a plastic... | 10/29/2009 |
| 20090237807 | OBJECTIVE LENS FOR ENDOSCOPE An objective lens for endoscope comprises, in order from an object side, a front lens group having negative refractive power as a whole; a brightness aperture stop; and a rear lens group having positive refractive power as a whole, wherein said front lens group comprise... | 09/24/2009 |
| 20090219627 | VARIABLE POWER OPTICAL SYSTEM AND IMAGING DEVICE A variable power optical system is provided and includes: in order from the object side, a first lens group having a negative refractive power and including a negative lens group and a positive lens group; a stop; and a second lens group having a positive refractive pow... | 09/03/2009 |
| 20090219626 | VARIABLE POWER OPTICAL SYSTEM AND IMAGING DEVICE A variable power optical system is provided and includes: in order from the object side, a first lens group having a negative refractive power and including a negative lens group and a positive lens group; a stop; and a second lens group having a positive refractive pow... | 09/03/2009 |
| 20090203963 | REIMAGING OPTICAL SYSTEM AND ENDOSCOPE USING THE SAME The invention relates to an reimaging optical system that has a sufficiently enhanced magnification and better performance, and an endoscope using the same. The reimaging optical system 3 is adapted to re-form an image by an image guide 6 on a solid-state ... | 08/13/2009 |
| 20090195888 | Image Forming Optical System and Electronic Image Pickup Apparatus Using Image Forming Optical System An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the apertu... | 08/06/2009 |
| 20090185283 | ZOOM LENS AND OPTICAL APPARATUS INCLUDING THE SAME A zoom lens includes a first lens unit having a negative refractive power and a second lens unit having a positive refractive power, which are arranged in order from the object side to the image side. The zoom lens performs zooming by changing a distance between the len... | 07/23/2009 |
| 20090109546 | Electronic imaging apparatus An electronic imaging apparatus comprises a zoom lens including at least two lens groups and adapted to implement zooming by changing the spacing between the respective lens groups, and an electronic imaging device. The zoom lens includes at least one positive lens on a... | 04/30/2009 |
| 20090091845 | Two-unit zoom lens and image pickup apparatus equipped with same A zoom lens includes, in order from the object side thereof, a first lens unit G1 having a negative refracting power and a second lens unit G2 having a positive refracting power. During zooming from the wide angle end to the telephoto end, the distance bet... | 04/09/2009 |
| 20090052053 | Imaging optical system and image pickup apparatus using the same An imaging optical system includes in order from an object side thereof a front lens unit having a negative refracting power, an aperture stop, and a rear lens unit having a positive refracting power, and the front lens unit having a negative refracting power includes i... | 02/26/2009 |
| 20080291548 | Zoom lens system and electronic image pickup apparatus using the same A zoom lens system comprising, in order from an object side: a first lens unit comprising two lens components; and a second lens unit comprising one lens component, during zooming, a space between the first lens unit and the second lens unit changing, the first lens uni... | 11/27/2008 |
