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The Quarterly Review ; March edition, 1825
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| Application No. | Application Title | Issue Date |
| 20100214664 | 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 positive refractive power and a third lens group also having positive refrac... | 08/26/2010 |
| 20090207500 | 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 object si... | 08/20/2009 |
| 20060209424 | Taking optical system A taking optical system for forming an optical image of an object on the light-receiving surface of an image sensor has at least one optical prism that has an entrance surface, at least three reflective surfaces each curved, and an exit surface, and that receives rays f... | 09/21/2006 |
| 20060092524 | Zoom optical system, imaging lens device, and digital apparatus A reflecting prism (PR1) and a reflecting prism (PR2) each adapted to bend an incident ray at a predetermined angle for reflection are arranged in such a manner that an incident surface of the reflecting prism disposed on a side of a subject on an optical ... | 05/04/2006 |
| 20050225873 | Zoom optical system, and electronic equipment incorporating the same The invention concerns a zoom optical system in which, for zooming, an optical function surface is rotated about a point away from it to change the position of a light beam that passes through the optical function surface. The zoom optical system comprises a stop 2 <... | 10/13/2005 |
