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| Number | Title | Issue Date |
| 8189269 | Zoom optical system, optical apparatus equipped therewith and method for manufacturing the zoom optical system Composing a zoom optical system ZL, 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 G3 having positive refractive power, a fourth l... | 05/29/2012 |
| 8179608 | 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 optical path, and a rear lens group including lens units. At least the fir... | 05/15/2012 |
| 8130451 | Zoom lens system and camera 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 optical power; a second lens unit having a negative optical power; a third lens unit having a positive optical power; a fourth lens unit havi... | 03/06/2012 |
| 8094381 | 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 perf... | 01/10/2012 |
| 8081390 | Variable magnification optical system, optical apparatus provided with the variable magnification optical system and method for manufacturing variable magnification optical system A variable magnification optical system ZL has, in order from the object side, a first lens unit G1 with a positive refractive power, a second lens unit G2 with a negative refractive power, a third lens unit G3 with a positive refractive power, ... | 12/20/2011 |
| 8049968 | Zoom lens The invention is directed to inner-focusing zoom lenses that include multi groups of lens pieces, namely, the first lens group or the leading lens group of positive refractivity, the second lens group of negative refractivity, and the remaining trailing groups of po... | 11/01/2011 |
| 8035900 | Objective lens for endoscope An objective lens for an endoscope is provided and has a lens group A and a lens group B that are movable in a direction of an optical axis. In the objective lens, first focal adjustment for observing a point between a most-distant point and an intermediate point is... | 10/11/2011 |
| 8031409 | Imaging lens, optical device thereof, and method for manufacturing imaging lens An imaging lens includes at least a first positive lens group, a first negative lens group that moves during focusing, a second positive lens group that moves during focusing, a second negative lens group that can move in a direction substantially vertical to an opt... | 10/04/2011 |
| 7974012 | Zoom lens system, optical device with the zoom lens system, and method of manufacturing the zoom lens system A zoom lens system has a front lens group and a rear lens group along the optical axis and in order from the object side. The rear lens group has a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, and a third... | 07/05/2011 |
| 7961401 | System for providing two position zoom-focus A system for providing a two-position zoom-focus capability in a video inspection device comprising, in one embodiment, a focus lens cell and primary aperture attached to a set of fixed rails and connected to a zoom lens cell. In one embodiment, the focus lens cell ... | 06/14/2011 |
| 7952810 | Zoom lens system, imaging device and camera An object is to provide: a zoom lens system that has a reduced overall length, a high resolution, and a variable magnification ratio as high as 9 or greater and that is satisfactorily adaptable for wide-angle image taking where the view angle at a wide-angle limit i... | 05/31/2011 |
| 7920332 | Variable-focal-length lens system and imaging apparatus A variable-focal-length lens system includes first to fifth lens groups having positive, negative, positive, negative, and positive refractive powers, respectively, from the object side. As the lens-position state changes from wide-angle to telephoto, the air space ... | 04/05/2011 |
| 7911706 | 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... | 03/22/2011 |
| 7907349 | 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, which is movable during zooming, a second lens unit having a negative refracting power, which is movable during zooming, a third lens unit having a pos... | 03/15/2011 |
| 7903344 | 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 i... | 03/08/2011 |
| 7898743 | 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 ap... | 03/01/2011 |
| 7889436 | Zoom lens and camera having 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, a reflection unit including a reflection surface for bending an optical path, a third le... | 02/15/2011 |
| 7872806 | 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 perfo... | 01/18/2011 |
| 7864441 | Zoom lens and image pickup apparatus using the same A zoom lens is such that spacings between a plurality of lens units are properly changed and thereby the magnification of the zoom lens is changed. The most object-side lens unit of this zoom lens has a positive refracting power and comprises, in order from an objec... | 01/04/2011 |
| 7843647 | Imaging apparatus, imaging method and high zoom ratio zoom lens system Providing an imaging apparatus capable of efficiently using effective pixels of a solid-state imaging device, and securing excellent peripheral light quantity of an image even upon vibration reduction. The imaging apparatus comprising: a high zoom ratio zoom lens | 11/30/2010 |
| 7839577 | Zoom optical system, optical instrument incorporating the zoom optical system, and method of manufacturing the zoom optical system A zoom optical system has 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 negative refracting power; and a fifth lens g... | 11/23/2010 |
| 7835083 | Disk structure, manufacturing method thereof and optical tweezers device using the same A disk structure is disposed in an optical tweezers device including a light source for producing incident laser light. The disk structure includes a first substrate, a second substrate and a reflective layer. The second substrate is disposed with respect to the fir... | 11/16/2010 |
| 7830612 | 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 lens unit having a negative refractive power, and a fifth lens unit havin... | 11/09/2010 |
| 7826147 | Zoom lens and image projection apparatus A zoom lens includes a negative lens unit having a negative refractive power, at least one positive lens unit having a positive refractive power, an intermediate lens unit including a stop, and at least one reduction side lens unit, in order from a magnification con... | 11/02/2010 |
| 7804652 | Zoom lens system A zoom lens system includes a positive first lens group, a negative second lens group, and a rear lens group which is provided on the image side of the negative second lens group, and has a combined positive refractive power, in this order from the object; and the z... | 09/28/2010 |
| 7800829 | Zoom lens and image pick-up apparatus using zoom lens A zoom lens composed of plural groups and adapted for changing group spacing or spacings, and includes, in a first group GR1 fixed during zooming operation, a reflection member M for bending or folding the optical axis substantially by 90 degrees and a negati... | 09/21/2010 |
| 7800830 | Zoom lens, and electronic imaging system using the same A zoom lens with an easily bendable optical path, which has high optical specification performance such as a high zoom ratio, a wide-angle arrangement, a small F-number and reduced aberrations includes a first lens group that remains fixed during zooming, a second l... | 09/21/2010 |
| 7768715 | Whole system zoom and varifocal lens with intermediate image A lens system for forming a final image of an object, said system having an object side and an image side and forming a first intermediate real image between the object and final image, said system comprising a moving lens group containing the intermediate real imag... | 08/03/2010 |
| 7764437 | Objective lens for endoscope An objective lens for an endoscope is provided and has a lens group A and a lens group B that are movable in a direction of an optical axis. In the objective lens, first focal adjustment for observing a point between a most-distant point and an intermediate point is... | 07/27/2010 |
| 7738182 | Image pickup optical system and image pickup apparatus including the same An image pickup optical system includes a first-lens unit having negative refractive power; a second-lens unit having positive refractive power and being disposed closer to an image side than the first-lens unit; an aperture; and a diffraction optical part provided ... | 06/15/2010 |
| 7738181 | Zoom lens and optical apparatus having zoom lens Providing a compact zoom lens exhibiting optical performance, of which a chromatic aberration in a telephoto state is well corrected. The zoom lens includes a plurality of lens groups, the plurality of lens groups includes at least three lens groups with positive re... | 06/15/2010 |
| 7724446 | Zoom lens system A zoom lens system includes, in order from an object side to an image side, first to fifth lens groups respectively having negative, positive, negative, positive, and positive refractive power. During zooming from a wide-angle end to a telephoto end, the second and ... | 05/25/2010 |
| 7715108 | 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, the negative lens group has a cemented ... | 05/11/2010 |
| 7715109 | Digital image pointing and digital zoom optical system An optical system for the production of images, comprising an all optical system is disclosed. Said all optical system manipulates images directly by digital electronics without loss in the number of resolvable spots at higher magnifications. ... | 05/11/2010 |
| 7692869 | Image-taking lens unit An image-taking lens unit includes: a variable magnification optical system for forming an optical image of an object with a variable magnification; and an image sensor for converting the optical image into an electrical signal. The image-taking lens unit changes th... | 04/06/2010 |
| 7684122 | Zoom lens and imaging system using the same The invention relates to a zoom lens that enables an optical path to be easily bent by a reflecting optical element, has a wide-angle design and high optical performance as represented by a high zoom ratio of about 3.4, is extremely slimmed down in the depth directi... | 03/23/2010 |
| 7672061 | Zoom lens and imaging device A zoom lens comprises: a stationary group that is stationary at the time of variable power; and a variable power group, disposed on an image side of the stationary group, that makes a variable power operation by moving in an optical axis direction at the time of var... | 03/02/2010 |
| 7672062 | Projection zoom lens and projection type display device A projection zoom lens is provided and includes: in order from the magnification side, a positive first lens group performing focusing with being fixed during power-varying and having a focusing function; a negative second lens group, a negative third lens group, an... | 03/02/2010 |
| 7649693 | Zoom lens and image pick-up apparatus A zoom lens including a broad picture angle of 60 to 100 degrees as a photographic picture angle of the wide-angle end state, and having a magnification ratio of about three to six times, small front gem diameter, excellent compactness and high image formation perfo... | 01/19/2010 |
| 7643219 | Zoom lens and image pickup apparatus equipped with same A zoom lens has, in order from the object side thereof, a positive first lens unit G1, a negative second lens unit G2 and a rear group having a positive refracting power and composed of at least one lens unit. The lens unit located closest to the objec... | 01/05/2010 |
