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| Number | Title | Issue Date |
| 7224541 | Zoom lens A zoom lens formed in a small size adaptable to a thin and portable device, having three lens groups, including, from the object plane to the image forming plane: a first lens group with a negative power, a second lens group with a positive power and a third lens gr... | 05/29/2007 |
| 7221519 | Zoom lens system and image pickup apparatus including the same A zoom lens system includes a frontmost first lens unit having a negative optical power and a plurality of lens units on the rear side thereof. The first lens unit consists of a negative lens element. The zoom lens system includes five or less lens elements in total... | 05/22/2007 |
| 7221517 | Image forming device An image forming device is provided with: a zoom lens system TL that performs magnification varying by changing the distance between the lens units; and an image sensor SR that converts an optical image formed by the zoom lens system TL into an electric signal. The ... | 05/22/2007 |
| 7218793 | Reducing differential resolution of separations Certain disclosed implementations use digital image processing to reduce the differential resolution among separations or images in film frames, such as, for example, red flare. A location in the red image may be selected using information from another image. The se... | 05/15/2007 |
| 7218455 | Zoom lens and imaging apparatus A zoom lens having at least a first lens group including a reflection member for bending an optical axis fixedly during zooming and having a negative refractive power, a second lens group having a negative refractive power, and a third lens group arranged in the ord... | 05/15/2007 |
| 7218458 | Zoom lens system and image pickup apparatus with the system At least one exemplary embodiment is directed to a zoom lens system, which can have a diffractive optical element, achieves high optical performance over a wide zoom range. The zoom lens system includes a first lens unit having positive optical power, a second lens ... | 05/15/2007 |
| 7218445 | Microlithographic reduction projection catadioptric objective A photolithographic reduction projection catadioptric objective includes a first optical group having an even number of at least four mirrors and having a positive overall magnifying power, and a second substantially refractive optical group more image forward than ... | 05/15/2007 |
| 7215482 | Variable magnification optical system, image taking lens device and digital apparatus There are provided a first lens group having a negative optical power as a whole, second and third lens groups having positive optical powers as a whole, which are located in this order from the object side. These lens groups are all configured to be movable in the ... | 05/08/2007 |
| 7215477 | Zoom lens and image display apparatus including the zoom lens Provided is a projection lens, including: a plurality of moving lens units that move on an optical axis for zooming; and a plurality of plastic lenses containing plastic, in which when a focal distance of an i-th positive lens from a predetermined plane side of N po... | 05/08/2007 |
| 7215487 | Zoom lens including a function of preventing blurring of an image A zoom lens includes a function of preventing blurring of an image due to movements, such as shaking of the zoom lens, by moving the second lens group, in order from the object side, orthogonally to the optical axis in order to correct for blurring of an image due t... | 05/08/2007 |
| 7215483 | Zoom lens system and image pickup apparatus having the same At least one exemplary embodiment is directed to a zoom lens system which includes, in order from an object side to an image side a first lens unit having negative optical power, a second lens unit having positive optical power, and a third lens unit having positive... | 05/08/2007 |
| 7215481 | Taking lens, and imaging device incorporating the same A taking lens system includes, in order from an object side thereof, a first lens group (negative refracting), a second lens group (positive refracting), an aperture stop and a third lens group (positive refracting). Focusing from an infinite distance to a finite di... | 05/08/2007 |
| 7215486 | Zoom lens and electronic imaging device having the same A zoom lens includes a most object-side lens unit remaining fixed on the optical axis when the magnification of the zoom lens is changed and a focusing operation is performed; a most image-side lens unit remaining fixed when the focusing operation is performed; and ... | 05/08/2007 |
| 7215484 | Zoom lens A zoom lens system includes a first lens group which has a negative refractive power, a second lens group which has a positive refractive power, and a third lens group which has a positive refractive power in this order from the object side and changes the distances... | 05/08/2007 |
| 7212355 | Image pick-up lens system An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), and a meniscus-shaped second lens (30) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in... | 05/01/2007 |
| 7212350 | Zoom optical system that includes a function of preventing blurring of an image A zoom optical system includes a function of preventing blurring of an image due to movements, such as shaking of the zoom optical system, by moving a lens element of the third lens group, in order from the object side, of four lens groups in a direction that is per... | 05/01/2007 |
| 7212351 | Zoom optical system and image taking apparatus using the same An image taking optical system which comprises, in order from an object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a negative refractive power, wherein the se... | 05/01/2007 |
| 7212349 | Zoom lens system Providing a compact zoom lens system having high optical performance suitable for an electronic imaging device with a large number of pixels. The zoom lens system includes, in order from an object, a first lens group having negative refractive power, a second lens g... | 05/01/2007 |
| 7212242 | Electronic image pickup system The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup... | 05/01/2007 |
| 7209296 | Zoom lens, and electronic imaging system incorporating the same The invention relates to a zoom lens wherein the total of lens components is reduced as much as possible and image-formation capability is enhanced far more stably over the entire zoom range, so that a lot more thickness reductions are achievable upon received at a ... | 04/24/2007 |
| 7209298 | Zoom lens and imaging pickup A zoom lens having 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 power arranged in the order from an object side, wherein the first lens group includ... | 04/24/2007 |
| 7209295 | Optical system, and optical apparatus The invention relates to an optical system that has reduced power consumptions, ensures noiseless operations and fast responses, contributes to cost reductions due to simplified mechanical structure, and, albeit having a small outside diameter and small size, is cap... | 04/24/2007 |
| 7206138 | Zoom lens, and electronic imaging system incorporating the same The invention relates to a small-format, low-cost zoom lens that can gain sufficient telecentricity and aberration performance even with the use of an inexpensive vitreous material, and so lends itself to an electronic image pickup device. The zoom lens comprises a ... | 04/17/2007 |
| 7199948 | Single focus lens A single focus lens comprises: a first lens of positive power having a convex-shaped surface on an object side; a second lens of a negative meniscus lens having, on the object side, a concave-shaped surface on its paraxial axis; and a third lens of an aspheric lens ... | 04/03/2007 |
| 7199943 | Wide-angle zoom lens The invention relates to a wide-angle zoom lens system easy to ensure telecentricity particularly suited for digital single-lens reflex cameras. The wide-angle zoom lens system comprises a first group G1 of negative power, a second group G2 of positive... | 04/03/2007 |
| 7196850 | Zoom lens and image pickup apparatus including the same At least one exemplary embodiment is directed to a zoom lens which includes, in order from an object side to an image side, a first lens unit, which can have a negative refractive power; a second lens unit, which can have a positive refractive power; and a third len... | 03/27/2007 |
| 7193786 | Zoom optical system and image pickup apparatus A zoom optical system according to the present invention is provided with, in order from an object side thereof: a first lens group having a negative refractive power; a second lens group having a positive refractive power; a third lens group having a negative refra... | 03/20/2007 |
| 7193585 | Image observation system An image observation system includes a pair of image observation devices each having i) an image pickup device, ii) an image pickup optical system for directing light rays from an outside world to the image pickup device, iii) a display device for displaying an outs... | 03/20/2007 |
| 7190532 | Imaging optical system and electronic apparatus using the same The image forming optical system comprises in order from an object side, a first lens having positive refracting power and a concave surface directed toward an object side, a second lens having double convex surfaces, an aperture stop,... | 03/13/2007 |
| 7190528 | Zoom lens and image projection apparatus having the same A zoom lens comprises a plurality of lens units including a first lens unit disposed most adjacent to an enlargement side and having negative refractive power, wherein one or more lens units of the plurality of lens units are moved in the direction of the optical ax... | 03/13/2007 |
| 7187430 | Advanced illumination system for use in microlithography A system for microlithography comprises an illumination source; an illumination optical system including, in order from an objective side, (a) a first diffractive optical element that receives illumination from the illumination source, (b) a zoom lens, (c) a second ... | 03/06/2007 |
| 7184208 | Variable power finder and imaging apparatus A variable power finder is proposed, which comprises: an objective system; an inverting system; and an ocular system, in order from object side. The third lens group of the objective system is constituted by one lens prism having at least one reflection surface, and... | 02/27/2007 |
| 7184220 | Projection zoom lens and projector A projection zoom lens that is suited to projector with a DMD is provided. The projection zoom lens projects, onto a screen, projection light from the DMD and comprises, in order from a screen side, a first lens group with negative refractive power and a second lens... | 02/27/2007 |
| 7180683 | Zoom lens system The invention provides a zoom lens system suitable for an image gathering system using a solid-state imaging device, having a zoom ratio of about three, a small lens length, and superb optical performance. The zoom lens system includes, in order from an object, a fi... | 02/20/2007 |
| 7180679 | Image-taking apparatus A zoom lens system for forming an optical image of a subject on the image-sensing surface of an image sensor has three lens units, namely, from the object side thereof, a first lens unit having a negative optical power, a second lens unit having a positive optical p... | 02/20/2007 |
| 7180542 | Imaging lens device and digital camera having the imaging lens device Imaging lens device has a zoom lens system and an image sensor. The zoom lens system has a first reflecting surface, a first movable lens unit, an aperture stop, a second reflecting surface, a second movable lens unit. A first reflecting surface bends a first optica... | 02/20/2007 |
| 7177090 | Telecentric zoom lens The present invention is directed to provide a telecentric zoom lens capable of attaining a small numerical aperture, a wide angle of view, reduced distortion, high resolution, reduced chromatic aberration, small aperture, and yet avoiding a cost increase and also t... | 02/13/2007 |
| 7177100 | Three lens group zoom lens A three lens group zoom lens is provided and includes three lens groups of negative, positive, and positive in this order from an object side and varies a magnification by changing distances among respective lens groups. A first group includes, in order from the obj... | 02/13/2007 |
| 7177095 | Zoom lens and imaging apparatus having the same A zoom lens comprises, from the object side to the image side, a first lens group, a second lens group, and a rear group including one or more lens groups, where the first and second lens groups can move at the time of zooming, and wherein the first lens group compr... | 02/13/2007 |
| 7177094 | Zoom lens, and electronic imaging system using the same The invention relates to a zoom lens that has high optical performance specifications such as high zoom ratios, wide angles of view, reduced F-numbers and limited aberrations, and enables an optical path to be easily bent. The zoom lens comprises a moving lens group... | 02/13/2007 |
