Patent application number | Description | Published |
20080218874 | ZOOM LENS, OPTICAL APPARATUS, AND METHOD FOR FORMING AN IMAGE OF AN OBJECT - In a zoom lens having a plurality of lens groups which are disposed in that order from an object, a first lens group that is disposed to closest to the object among the plurality of lens groups has positive refractive power and comprises a light path bending element which bends the path of light and a plurality of lens components which are disposed closer to the object than the light path bending element; and, where the distance on the optical axis from the surface closest to the object in the first lens group to the surface closest to the object in the light path bending element is L | 09-11-2008 |
20080218876 | ZOOM LENS, OPTICAL APPARATUS, AND METHOD FOR FORMING AN IMAGE OF AN OBJECT - In a zoom lens ZL having a plurality of lens groups which are disposed in order from an object, a first lens group that is disposed to closest to the object among the plurality of lens groups has positive refractive power and comprises a light path bending element which bends the path of light and a plurality of lens components which are disposed closer to the object than the light path bending element, and the plurality of lens components comprise at least one negative lens whose refractive index with respect to d-line exceeds 1.90. | 09-11-2008 |
20090046366 | ZOOM LENS, AND OPTICAL APPARATUS AND METHOD FOR FORMING AN IMAGE OF AN OBJECT USING THE ZOOM LENS - The present invention is a zoom lens ZL which has a plurality of lens groups which are disposed in order from an object along an optical axis, wherein among the plurality of lens groups, a first lens group G | 02-19-2009 |
20090086333 | ZOOM LENS, OPTICAL APPARATUS EQUIPPED WITH THE ZOOM LENS AND METHOD FOR FORMING AN IMAGE OF AN OBJECT AND VARYING A FOCAL LENGTH - A zoom lens comprises a plurality of lens groups arranged along an optical axis in order from an object side, wherein a lens group closest to an image among the plurality of lens groups has a front lens group, and a rear lens group arranged with an air space on an image side of the front lens group, and wherein the lens group closest to the image is stationary with respect to an image plane, upon zooming from a wide-angle end state to a telephoto end state. | 04-02-2009 |
20090086334 | ZOOM LENS, OPTICAL APPARTUS EQUIPPED WITH THE ZOOM LENS AND METHOD FOR FORMING AN IMAGE OF AN OBJECT AND VARYING A FOCAL LENGTH - A zoom lens comprises the following lens groups in the order from an object side 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 lens group having a positive refracting power; and a fifth lens group having a positive refracting power; wherein, upon zooming from a wide-angle end state to a telephoto end state, at least the first lens group and the fourth lens group move to the object side to vary a space between the first lens group and the second lens group, vary a space between the second lens group and the third lens group, vary a space between the third lens group and the fourth lens group, and vary a space between the fourth lens group and the fifth lens group; and wherein the fifth lens group comprises a front lens group, and a rear lens group arranged with an air space on an image side of the front lens group, and the fifth lens group is configured to move the front lens group in a direction of an optical axis to adjust focus to a close object. | 04-02-2009 |
20090116121 | ZOOM LENS, OPTICAL APPARATUS EQUIPPED WITH THE ZOOM LENS AND METHOD FOR FORMING AN IMAGE OF AN OBJECT AND VARYING A FOCAL LENGTH - A zoom lens comprises the following lens groups in the order from an object side: 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; and a fourth lens group having a positive refracting power; wherein, upon zooming, at least the first lens group and the fourth lens group move to the object side; and wherein the third lens group comprises a negative meniscus lens with a convex surface on an image side and with both side faces thereof being exposed to air, which is located nearest to the image side. | 05-07-2009 |
20090135498 | ZOOM LENS, OPTICAL APPARATUS EQUIPPED WITH THE ZOOM LENS AND METHOD FOR FORMING AN IMAGE OF AN OBJECT AND VARYING A FOCAL LENGTH - A zoom lens comprises the following lens groups in the order from an object side: 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; and a fourth lens group having a positive refracting power; wherein, upon zooming, at least the first lens group and the fourth lens group move to the object side; and wherein, upon focusing, the fourth lens group comprises a front lens group, and a rear lens group arranged with an air space on an image side of the front lens group, and the rear lens group is moved in a direction of an optical axis of the zoom lens. | 05-28-2009 |
20090147376 | ZOOM LENS SYSTEM, OPTICAL DEVICE WITH ZOOM LENS SYSTEM, AND METHOD OF MANUFACTURING ZOOM LENS SYSTEM - A zoom lens system comprises, in order from an object, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power. The first lens group has a first-a partial lens group and a first-b partial lens group arranged on an image side of the first-a partial lens group with an air space and is constructed such that the first-b partial lens group moves along an optical axis direction upon focusing from infinity to a close-range object. The third lens group is constituted by a third-a partial lens group having a positive refractive power and a third-b partial lens group having a negative refractive power arranged on the image side of the third-a partial lens group with an air space. | 06-11-2009 |
20090257125 | IMAGING LENS, OPTICAL APPARATUS AND METHOD FOR FORMING IMAGE USING THIS IMAGING LENS - An imaging lens includes a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power, which are disposed in order from an object. The first lens group has a first lens component having a negative refractive power and a second lens component having a positive refractive power, which are disposed in order from the object, and conditions expressed by the expressions 0.1210-15-2009 | |
20090273851 | LENS SYSTEM, OPTICAL DEVICE WITH LENS SYSTEM, AND METHOD OF MANUFACTURING LENS SYSTEM - A lens system comprises, on a side closest to an object, a first lens component having a positive refractive power and a second lens component having a positive refractive power in order from the object; and on a side closest to an image, a cemented lens constructed by cementing together a positive lens and a negative lens in order from the object; wherein the lens system satisfies the following conditional expressions: | 11-05-2009 |
20100302640 | LENS SYSTEM, OPTICAL APPARATUS AND MANUFACTURING METHOD - A lens system having, in order from an object, at least a first lens group G | 12-02-2010 |
20110096409 | ZOOM LENS SYSTEM, OPTICAL DEVICE WITH ZOOM LENS SYSTEM, AND METHOD OF MANUFACTURING ZOOM LENS SYSTEM - A zoom lens system comprises, in order from an object, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power. The first lens group has a first-a partial lens group and a first-b partial lens group arranged on an image side of the first-a partial lens group with an air space and is constructed such that the first-b partial lens group moves along an optical axis direction upon focusing from infinity to a close-range object. The third lens group is constituted by a third-a partial lens group having a positive refractive power and a third-b partial lens group having a negative refractive power arranged on the image side of the third-a partial lens group with an air space. | 04-28-2011 |
20110116172 | OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING OPTICAL SYSTEM - An optical system includes, in order from an object side: a first lens group G | 05-19-2011 |
20110134529 | ZOOM LENS, OPTICAL APPARATUS, AND METHOD FOR FORMING AN IMAGE OF AN OBJECT - In a zoom lens having a plurality of lens groups which are disposed in that order from an object, a first lens group that is disposed to closest to the object among the plurality of lens groups has positive refractive power and comprises a light path bending element which bends the path of light and a plurality of lens components which are disposed closer to the object than the light path bending element; and, where the distance on the optical axis from the surface closest to the object in the first lens group to the surface closest to the object in the light path bending element is L | 06-09-2011 |
20110134546 | IMAGING LENS, OPTICAL APPARATUS AND METHOD FOR FORMING IMAGE USING THIS IMAGING LENS - An imaging lens includes a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power, which are disposed in order from an object. The first lens group has a first lens component having a negative refractive power and a second lens component having a positive refractive power, which are disposed in order from the object, and conditions expressed by the expressions 0.1206-09-2011 | |
20110141583 | IMAGING LENS, OPTICAL APPARATUS AND METHOD FOR FORMING IMAGE USING THIS IMAGING LENS - An imaging lens includes a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power, which are disposed in order from an object. The first lens group has a first lens component having a negative refractive power and a second lens component having a positive refractive power, which are disposed in order from the object, and conditions expressed by the expressions 0.1206-16-2011 | |
20110169974 | IMAGE CAPTURING LENS, OPTICAL APPARATUS HAVING SAME, AND METHOD FOR MANUFACTURING IMAGE-CAPTURING LENS - An image-capturing lens has, in order from an object, an object side lens group G | 07-14-2011 |
20110267707 | IMAGING LENS, OPTICAL APPARATUS EQUIPPED THEREWITH, AND METHOD FOR MANUFACTURING IMAGING LENS - An imaging lens including, in order from an object side: a first lens group G | 11-03-2011 |
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 toward the object side to adjust a focus on a close object, and a given conditional expression being satisfied, thereby disclosing a downsized imaging lens having a wide angle of view, capable of preferably correcting various aberrations upon focusing on a close object from an infinitely distant object and having high optical performance over an entire picture, an optical apparatus including the imaging lens and an imaging lens manufacturing method. | 12-29-2011 |
20120114325 | CAMERA SYSTEM, INTERCHANGEABLE LENS AND METHOD OF MANUFACTURING INTERCHANGEABLE LENS - A camera system having a predetermined image circle, comprises: an interchangeable lens having a lens mount portion; and a camera body having an image sensor that is disposed within that image circle, and a body mount portion, wherein, when a radius of circular portion at a maximum internal diameter part of an opening portion of the lens mount portion is termed rM, a flange back that is a distance from the lens mount portion to a light reception surface of an image sensor in a state that the interchangeable lens and the camera body are mutually engaged is termed da, and the diameter of the image circle is termed D, the following equations are satisfied: | 05-10-2012 |
20130201564 | LENS SYSTEM, OPTICAL DEVICE WITH LENS SYSTEM, AND METHOD OF MANUFACTURING LENS SYSTEM - A lens system comprises, on a side closest to an object, a first lens component having a positive refractive power and a second lens component having a positive refractive power in order from the object; and on a side closest to an image, a cemented lens constructed by cementing together a positive lens and a negative lens in order from the object; wherein the lens system satisfies the following conditional expressions: | 08-08-2013 |
20130314590 | CAMERA SYSTEM, INTERCHANGEABLE LENS AND METHOD OF MANUFACTURING INTERCHANGEABLE LENS - A camera system having a predetermined image circle, comprises: an interchangeable lens having a lens mount portion; and a camera body having an image sensor that is disposed within that image circle, and a body mount portion, wherein, when a radius of circular portion at a maximum internal diameter part of an opening portion of the lens mount portion is termed rM, a flange back that is a distance from the lens mount portion to a light reception surface of an image sensor in a state that the interchangeable lens and the camera body are mutually engaged is termed da, and the diameter of the image circle is termed D, the following equations are satisfied: | 11-28-2013 |
20130342907 | 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 a front portion lens group G1a, and a rear portion lens group G1b which is disposed to an image side of the front portion lens group G1a with an air distance therebetween, and performs focusing by shifting the rear portion lens group G1b in the optical axis direction, and the fourth lens group G4 includes, in order from the object, a negative lens and a positive lens (cemented negative lens L41), a negative lens L42, and an aperture stop S, and is fixed in the optical axis direction with respect to an image plane I upon zooming from a wide angle end state to a telephoto end state. | 12-26-2013 |
20130343659 | ELECTRONIC DEVICE, ELECTRONIC DEVICE CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM HAVING STORED THEREON ELECTRONIC DEVICE CONTROL PROGRAM - An electronic device includes: a storage unit that stores therein a plurality of images in which a first subject is imaged, and a plurality of images in which a second subject which is different from the first subject is imaged, and stores therein supplementary information about the first subject and the second subject including information about dates and times of imaging, and sites of imaging; and an extracting unit that extracts images whose dates and times of imaging are different from each other, and images imaged at a common site of imaging based on the supplementary information when extracting an image in which the first subject is imaged and an image in which the second subject is imaged. In the electronic device, when the first subject and the second subject are humans, the storage unit stores therein, as the supplementary information, birth dates of the first and second people. | 12-26-2013 |
20130346016 | INFORMATION TERMINAL, INFORMATION PROVIDING SERVER, AND CONTROL PROGRAM - A conventional portable terminal has trouble associating gathered activity information with other information to create useful information to be supplied to the user. Therefore, according to one aspect of the present invention, provided is an information terminal comprising an activity identifying section that gathers activity information of a user; a first detecting section that detects change in the gathered activity information; and an information providing section that, based on frequency of an activity corresponding to the detected change, provides information relating to the activity. | 12-26-2013 |
20140092490 | LENS SYSTEM, OPTICAL DEVICE WITH LENS SYSTEM, AND METHOD OF MANUFACTURING LENS - A lens system comprises, on a side closest to an object, a first lens component having a positive refractive power and a second lens component having a positive refractive power in order from the object; and on a side closest to an image, a cemented lens constructed by cementing together a positive lens and a negative lens in order from the object; wherein the lens system satisfies the following conditional expressions: | 04-03-2014 |