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| Number | Title | Issue Date |
| 8031413 | Single focus wide-angle lens module A single focus wide-angle lens module includes a fixed aperture diaphragm, a first lens, a second lens, a third lens and a fourth lens arranged from an object side to an image side in a sequence of: the first lens, the diaphragm, the second lens, the third lens and ... | 10/04/2011 |
| 7440198 | Focus adjustable optical system A focus adjustable optical system includes a first lens unit and a second lens unit arranged on an optical axis in direction from the object side to the image side. The two opposite surfaces of each of the lenses of the first lens unit and second lens unit are non-s... | 10/21/2008 |
| 7405890 | Imaging lens It is to provide a super-wide-angle imaging lens that can be reduced in size and weight, maintain excellent optical performance, and is low in cost. The imaging lens comprises, in order from an object side towards an image surface side, a first lens which is a menis... | 07/29/2008 |
| 7369319 | Optical system for telescope An optical system (1) of telescope includes an objective lens (10) for collecting incident light and transmitting the incident light along a light path, and an imaging lens group (20) disposed on the light path that makes the optical system focu... | 05/06/2008 |
| 7321474 | Photographic lens A small size photographic lens for the photographic unit of a device such as a camera or a camera phone. The photographic lens includes: a first lens having positive refractive power; a second lens having negative refractive power and a convex surface facing the obj... | 01/22/2008 |
| 7312935 | Optical system and optical apparatus having the same At least one exemplary embodiment is directed to an optical system which includes a plurality of refractive optical elements arranged substantially symmetrically with respect to an aperture-stop. Furthermore the optical system comprises a refractive optical element ... | 12/25/2007 |
| 7292398 | Optical system and optical apparatus including optical system At least one exemplary embodiment is directed to an optical system which includes at least one first refractive optical element, which includes a solid material satisfying the following conditional expression (1), and at least one second refractive optical element, ... | 11/06/2007 |
| 7280289 | Wide angle imaging lens A wide angle imaging lens is provided and includes, in order from an object side, four lenses of a first lens of a negative meniscus lens having a convex surface on the object side, a negative second lens having a concave surface on an image side and constituting at... | 10/09/2007 |
| 7277238 | Imaging lens array An imaging lens array that has stable performance and improved precision, wherein a first lens is a positive meniscus lens with a convex surface facing the object side; a second lens is a negative meniscus lens with a convex surface facing the object side; a third l... | 10/02/2007 |
| 7248416 | Wide-angle zoom lens system A wide-angle zoom lens system includes a negative first lens group, a positive second lens group, a negative third lens group and a positive fourth lens group), in this order from the object. Upon zooming from the short focal length extremity to the long foca... | 07/24/2007 |
| 7239457 | Wide angle lens system and camera There is provided a wide angle lens system configured to obtain excellent image forming performance even in a half field angle region of 40 degrees to 50 degrees. A wide angle lens system is constituted of a first lens having a negative refractive power, a light pat... | 07/03/2007 |
| 7230776 | Image scanning lens and image reader that uses same An image scanning lens includes, arranged in order from the object side, a first lens element having negative refractive power and a meniscus shape with its convex surface on the object side, a biconvex second lens element and a biconcave third lens element that are... | 06/12/2007 |
| 7206143 | Image-formation optical system, and imaging system incorporating the same The invention relates to an image-formation optical system capable of achieving wide-angle arrangement and compactness at the same time and an imaging system that incorporates the same. The image-formation optical system is made up of, in order from its object side,... | 04/17/2007 |
| 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 |
| 7180686 | Image pickup unit for endoscope An image pickup unit which consists of an objective optical system and a solid-state image pickup device: the objective optical system being composed of a first negative lens unit comprising a first meniscus lens element having a convex surface on the object side an... | 02/20/2007 |
| 7177098 | Image pickup lens An image pickup lens can form an excellent optical image on a compact image pickup element having a large number of pixels. The image pickup lens includes, sequentially from the object side, an optical aperture, a first lens made of glass and having at least a spher... | 02/13/2007 |
| 7092172 | Imaging optical system and electronic apparatus using the same The image forming optical system includes, in order from the object side, a meniscus, a first lens having positive refracting power with a convex surface directed toward the object side, an aperture stop, a meniscus, a second lens having negative refracting power wi... | 08/15/2006 |
| 7086790 | Automatic focusing lens assembly in a camera A lens assembly in a camera includes a first meniscus lens (10) and a second meniscus lens (11) respectively having a first radius of curvature (A,A′) and a second radius of curvature (B,B′) larger than that of the first radius of curvature A,A′)... | 08/08/2006 |
| 7079330 | Lens having aspheric surfaces A lens that can be used in a digital camera includes in sequence a first lens element (20), a second lens element (30), a third lens element (40), and a fourth lens element (50). The first lens element is biconvex, and includes a first as... | 07/18/2006 |
| 7050245 | Lens assembly and optical imaging using same A lens assembly includes, in order from an object side to an image side: a first lens; a first meniscus lens in optical communication with the first lens; a second meniscus lens in optical communication with the first meniscus lens; an aperture stop in optical commu... | 05/23/2006 |
| 7012765 | Image pickup lens and image pickup device An image pickup lens includes: a first lens which is a positive lens having a positive refractive power; a second lens which is a negative lens having a negative refractive power; a third lens which is a positive lens; a fourth lens having at least one surface with ... | 03/14/2006 |
| 7009773 | Compact microlenslet arrays imager Extremely compact and light-weight optical systems, apparatus, devices and methods to image miniature displays. Such systems include, for example, head-mounted projection displays (HMPD), head-mounted displays (HMDs), and cameras for special effects, compact microsc... | 03/07/2006 |
| 7009784 | Imaging optical system and electronic apparatus using the same The image forming optical system of the present invention comprises, in order from an object side, a first lens which is meniscus lens having positive refracting power and a concave surface directed toward an object side, an aperture stop, a second lens having posit... | 03/07/2006 |
| 7002757 | Single-focus lens for electronic still cameras A single-focus lens for an electronic still camera is formed of at least one meniscus lens element that is placed on the object side of a stop, with at least one surface of this meniscus lens element having a curvature such that light rays that pass through the stop... | 02/21/2006 |
| 6999246 | Image scanning lens and image scanning device that uses same An image scanning lens includes four lens components that may include five lens elements as follows: a first lens element having negative refractive power and a meniscus shape with its convex surface on the object side, a second lens element having positive refracti... | 02/14/2006 |
| 6970298 | Zoom lens system and image capture apparatus having the same A zoom lens system has four lens units, i.e., in order from an object side to an image side, a first lens unit of negative optical power, a second lens unit of positive optical power, a third lens unit of positive optical power, and a fourth lens unit of positive op... | 11/29/2005 |
| 6950246 | Imaging optical system and apparatus using the same The image forming optical system comprises, in order from an object side, a first lens which is positive meniscus lens having a convex surface directed toward an object side, an aperture stop, a second lens which is positive meniscus lens having a convex surface dir... | 09/27/2005 |
| 6950247 | Zoom lens and image pickup apparatus A zoom lens of a novel configuration suitable for a collapsible lens barrel is disclosed. More specifically, here is disclosed a zoom lens, comprising four lens units which are, in the order from an object side toward an image side, positive, negative, positive and ... | 09/27/2005 |
| 6894848 | Image scanning lens and image scanning device that uses same An image scanning lens includes four lens components, each of which may be a lens element. From the object side of the image scanning lens, the first lens component has positive refractive power and a meniscus shape with the convex surface on the object side, the se... | 05/17/2005 |
| 6891684 | Image taking lens system This specification discloses an image taking lens system which can quickly effect focusing from an infinity object to a short-distance object. The image taking lens system disclosed in the present specification has, in succession from an object side to an image side... | 05/10/2005 |
| 6829106 | High zoom-ratio zoom lens system A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a negative fourth lens group. Zooming is performed by moving each of the lens groups along the optical axis. ... | 12/07/2004 |
| 6825994 | Photographic optical system In a photographic optical system disclosed in the present invention, there are provided a first focusing part for focusing while exposure is not performed on a light-sensitive surface and a second focusing part for focusing while exposure is performed on the light-s... | 11/30/2004 |
| 6813099 | Image pickup lens, image pickup unit and portable terminal An image pickup lens has four lenses arranged in an order of a first lens, a second lens, a third lens and a fourth lens from an object side. The first lens has positive refractive power and has a convex surface facing toward an object side, the second lens has the ... | 11/02/2004 |
| 6804066 | Compact lens assembly for the teleportal augmented reality system The projection lens system is designed for the head mounted projective display (HMPD) system to provide a wide field of view up to seventy degrees. The lens is optimized from a double-Gauss lens composed of two singlet lenses, one diffractive optical element (DOE) l... | 10/12/2004 |
| 6762890 | Single focus lens A single focus lens is composed of four lens components of negative, positive, negative and positive refractive power, respectively, in order from the object side. The first lens, in order from the object side, has a concave surface on the image side, and a stop is ... | 07/13/2004 |
| 6744467 | Lens system for camera A lens system for a camera includes, in order from an object side, a distal lens having a convex surface and a concave surface, the convex surface being proximate the object side, a doublet lens in optical communication with the distal lens, and a bi-convex proximal... | 06/01/2004 |
| 6744570 | Taking lens system A taking lens system composed of four lens elements for forming an image on a solid-state sensor has, from the object side, a first lens element having a positive optical power, an aperture stop, a second lens element having a positive optical power, a third lens el... | 06/01/2004 |
| 6342972 | Wide-angle zoom lens system A wide-angle zoom lens system having a short optical total length not only at the wide-angle end but also at the telephoto end and a reduced telephoto ratio despite the fact that it has a high zoom ratio, with a view to achieving a reduction in size of ca... | 01/29/2002 |
| 6288847 | Attachment lens system An attachment lens optical system for extending a focal length of a camera lens and balancing axial chromatic aberrations of the camera lens comprises, in order from the object side, a first lens group having a negative power single lens element, a second... | 09/11/2001 |
| 6208474 | Original reading lens and original reading apparatus using the same An original reading lens for imaging the image information on the surface of an original on the surface of a sensor, includes an original reading lens having, in succession from the original side, a meniscus-shaped positive first lens having its convex su... | 03/27/2001 |
