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| Number | Title | Issue Date |
| 8144405 | Imaging lens and imaging apparatus An imaging lens is provided and includes: in order from the object side, a negative first lens, a negative second lens, a positive third lens, a stop, and a positive fourth lens. In the lens, each of the second lens, the third lens, and the fourth lens has at least ... | 03/27/2012 |
| 8134787 | Super-wide angle lens A super wide angle lens is a super wide angle lens which is of high-resolution and whose size, weight and cost can be reduced. It employs a four-group five-element constitution in which in the order from an object side, a meniscus single lens having a negative power... | 03/13/2012 |
| 8130456 | Imaging lens and imaging apparatus An imaging lens is provided and includes: in order from an object side thereof, a first lens of a negative lens having a concave surface on an image side thereof and having at least one aspheric surface; a second lens of a positive lens having at least one aspheric ... | 03/06/2012 |
| 8107174 | Wide-angle lens, imaging apparatus, and method for manufacturing wide-angle lens A wide-angle lens includes, in order from an object side, a first lens group G1 having negative refractive power, and a second lens group G2 having positive refractive power. The first lens group includes at least one negative meniscus lens having a co... | 01/31/2012 |
| 8068289 | Optical system and optical apparatus having the same An optical system includes, in order from an enlargement conjugate side to a reduction conjugate side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power. In the optical system, an aperture stop is located ... | 11/29/2011 |
| RE42642 | Imaging lens An imaging lens comprises, in order from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power whose concave surface faces to the object; and ... | 08/23/2011 |
| 7961408 | Five-lens image lens system A five-lens image lens system is revealed. The five-lens image lens system includes a first lens group with a negative power and a second lens group with a positive power. Along an optical axis in order from an object plane to an image plane, the first lens group in... | 06/14/2011 |
| 7933077 | Wide-angle imaging lens module A wide-angle imaging 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 of a negative refractive power with a meniscus shape, hav... | 04/26/2011 |
| 7929221 | Ultra-wide angle objective lens A ultra-wide angle objective lens comprising a first group having a first lens element having a convex object surface facing the object and a concave image surface facing the image plane, and a second aspheric lens element, the second aspheric lens element having a ... | 04/19/2011 |
| 7869140 | Objective lens design for miniature endoscope An endoscope objective lens system design is disclosed, generally comprising a first lens group having overall negative refractive power, a second lens group having overall positive refractive power, and an aperture diaphragm disposed between the first and second le... | 01/11/2011 |
| 7869141 | Compact fisheye objective lens A compact fisheye objective lens comprising a series of six lens elements arranged on an optical axis to focus an image on an image plane, the compact fisheye objective lens having a first lens element with a convex object surface that faces the object and a concave... | 01/11/2011 |
| 7852572 | Compact super wide-angle imaging system A super wide-angle imaging system has a short total track length. The lens system is a retrofocus type lens system that uses only a few lenses with no cemented lens elements. Acceptable performance is achieved by taking advantage of subsequent digital image processi... | 12/14/2010 |
| 7843652 | Wide-angle imaging lens A wide-angle imaging lens is provided and includes: a first lens, a second lens, and a third lens in this order from the object side. The first lens is a negative meniscus and has a convex surface on the object side; the second lens, at least one surface of which is... | 11/30/2010 |
| 7813056 | Imaging lens and camera system including the same lens An imaging lens comprises, in order from an object side: a first lens having a negative refractive power with a concave surface on an image side thereof; a second lens with at least one aspherical surface; an aperture stop; and a third lens having a positive refract... | 10/12/2010 |
| 7782551 | Wide-angle image pick-up lens system and vehicle with same A wide-angle image pick-up lens system includes a first lens group with negative refracting power and a second lens group with positive refracting power. The first lens group and the second lens group are aligned in order from an object side to an image side. The fi... | 08/24/2010 |
| 7751128 | Wide-angle lens A wide-angle lens whose angle of view is more than 90 degrees and less than 120 degrees includes, in order from an object side thereof: a first lens having a negative power and including a spherical glass body; a second lens having a positive power and including an ... | 07/06/2010 |
| 7697220 | Image forming optical system An image forming optical system comprises, in order from an object side, a front lens group having negative refracting power, and a rear lens group having positive refracting power, wherein said front group comprises, in order from the object side, a first lens elem... | 04/13/2010 |
| 7599129 | Compact imaging lens system A compact imaging lens system includes, in order from the object side to the image side, a first lens (1) of negative refractive power, a free-form surface prism (2) of positive refractive power and a second lens (3) of positive refractive power... | 10/06/2009 |
| 7518809 | Ultra wide-angle imaging lens device and imaging apparatus An ultra wide-angle imaging lens device 1 includes, in order from an object side: a negative first lens L1 having a meniscus shape with a convex surface directed to the object side; a negative second lens L2 having a concave surface directed to ... | 04/14/2009 |
| 7495845 | Wide-angle imaging lens A wide-angle imaging lens is provided and includes: a first lens, a second lens, and a third lens in this order from the object side. The first lens is a negative meniscus and has a convex surface on the object side; the second lens, at least one surface of which is... | 02/24/2009 |
| 7423819 | Fixed-focus lens A fixed-focus lens including a first lens group, a second lens group, and a third lens group is provided. The first lens group has a negative refractive power, includes a plurality of lenses, and is disposed between an object side and an image side. The lenses of th... | 09/09/2008 |
| 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 |
| 7372639 | Subminiature optical system A subminiature imaging optical system with two lenses is provided. The optical system includes an aperture stop. A first meniscus lens has a positive refractive power, and includes aspherical surfaces at both of object and image sides. The object side of the first m... | 05/13/2008 |
| 7365907 | Rear projection image display apparatus A compact rear projection image display apparatus in which the projection distance in a projection optical system is substantially reduced and no reflection mirror is used, thereby eliminating a major cause of image trapezoidal distortion. The rear projection image ... | 04/29/2008 |
| 7365912 | Compact zoom lens A compact zoom lens suitable for an imaging optical system using a solid-state image sensing device is provided. The zoom lens includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens gr... | 04/29/2008 |
| 7362518 | Small sized wide angle lens A wide angle lens includes, in order from an object side, a first positive convex lens element, a second concavo-convex negative lens element, and a third lens element. The first lens element is made of an optical glass and defines a first convex aspheric surface on... | 04/22/2008 |
| 7362509 | Zoom lens A zoom lens includes, in sequence from the object side: a first lens group with an overall negative refractive power; and a second lens group with an overall positive refractive power. A zoom factor changes by moving the second lens group. Focal adjustments are made... | 04/22/2008 |
| 7342729 | Imaging lens An imaging lens comprises, in order from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power whose concave surface faces to the object; and ... | 03/11/2008 |
| 7321469 | Zoom lens A zoom lens is provided and has: a first lens of a negative lens; a second lens of a positive lens; an aperture stop; a third lens of a negative lens; and a fourth lens of a positive lens in this order from an object side of the zoom lens. A zooming operation of the... | 01/22/2008 |
| 7304808 | Wide-angle lens system A wide-angle lens system includes: from the object side, (1) a first lens element formed of glass having both surfaces thereof so formed as to be spherical, having a meniscus shape convex to the object side, and having a negative optical power; (2) a second lens ele... | 12/04/2007 |
| 7301578 | Super-wide-angle optical system and image pickup device A super-wide-angle optical system for forming an optical image of an object on an image pickup surface of an image sensing device that converts the optical image into an electrical signal is provided with, in order from the object side, a first negative lens, a seco... | 11/27/2007 |
| 7295384 | Imaging lens An imaging lens comprises, in order from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power whose concave surface faces to the object; and a third lens having a positive refractive p... | 11/13/2007 |
| 7283312 | Fisheye lens unit To provide a technique to constitute a fisheye lens unit with a small number of lenses. A fisheye lens unit uses a predetermined projection method, wherein a variation for the predetermined projection method is not less than the variation for an equidistant projecti... | 10/16/2007 |
| 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 |
| 7265656 | Vehicle imaging system A vehicle imaging system includes an imaging sensor, an imaging sensor bracket and an image processor. A vehicle mounting portion of the bracket is configured to mount at a mounting element for a license plate of the vehicle, and a sensor mounting portion of the bra... | 09/04/2007 |
| 7262925 | Image lens array An image lens array, from object side, comprises: a first positive meniscus plastic lens with a convex surface facing forward, a second negative meniscus plastic lens with a concave surface facing forward, a third positive meniscus plastic lens with a convex surface... | 08/28/2007 |
| 7259912 | Fresnel lens having reduced distortions A display device for displaying images in a rear projection display device is provided. The display device may include, amongst other structure, a screen including a lens portion and a frame portion. A tensioner may be operatively associated with the screen and may ... | 08/21/2007 |
| 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 |
| 7227694 | Large aperture wide-angle lens and camera including large aperture wide-angle lens A large aperture wide-angle lens includes first and second lens groups separated by a stop. The first lens group includes more than one lens element and the second lens group includes, in order from the object side, a first lens component having at least one aspheri... | 06/05/2007 |
