Matches 1 - 50 out of 269 1 2 3 4 5 6 >
Match Document Document Title
7428109 Image pickup lens system and image pickup apparatus  
An image pickup lens system includes, successively in order from an object side, an aperture stop, a first lens as a double-convex positive lens, and a second lens as a negative meniscus lens...
7411746 Wide-angle lens system  
A wide-angle lens system includes a negative front lens group and a positive rear lens group, in this order from the object. The negative front lens group includes a negative first sub-lens group...
7385769 Image forming optical system, and image pickup apparatus and identification apparatus using the system  
An image forming optical system comprising, in order from an object side: a negative lens unit having one or two negative lenses without including any positive lens; a reflecting member; an...
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...
7355799 Projection lens and projection display device using the same  
A projection lens includes two lens groups, arranged as follows from the magnification side: a first lens group of negative refractive power, a mask, an aperture stop, and a second lens group of...
7339744 Electronic imaging apparatus  
An electronic imaging apparatus includes a zoom optical system having, in order from the object side, a first lens unit with negative power and a second lens unit with positive power, in which lens...
7321475 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...
7317585 Compact imaging lens system  
A compact imaging lens system consists of a first positive aspheric lens element ( 1 ) on the object side and a second negative aspheric lens element ( 2 ) on the image side. The first lens element...
7307802 Optical lens system and method for microfluidic devices  
An apparatus for imaging one or more selected fluorescence indications from a microfluidic device. The apparatus includes an imaging path coupled to least one chamber in at least one microfluidic...
7298561 Optical device  
A front group is formed of a negative first lens as a meniscus lens which is convex at the object side and a negative second lens, and a rear group is formed of a biconvex positive third lens, an...
7239459 Scanning device including plastic high-numerical aperture objective  
An optical scanning device for scanning an information layer ( 104 ) of an optical record carrier ( 102 ) includes a radiation source ( 110 ) for generating a radiation beam ( 108 ) and a high-NA...
7236315 Compact lens system  
A compact lens system includes a first positive lens element ( 1 ) on the object side and a second negative lens element ( 2 ) on the image side. The first positive lens element is a meniscus lens...
7215493 Imaging system with a lens having increased light collection efficiency and a deblurring equalizer  
In one form, an imaging system comprises an imager that forms an image of an object in a field of view, a rotationally symmetric lens assembly disposed between the imager and the object, and an...
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...
7209300 Wide-angle lens system  
A wide-angle lens system includes a positive front lens group, a diaphragm, and a positive rear lens group. The front lens group includes a negative first-sub-lens group and a positive...
7206144 Imaging lens and imaging apparatus  
An imaging lens system includes a first lens having a meniscus profile with a convex surface facing an object side and having a positive refractive index; an aperture diaphragm; and a second lens...
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...
7180685 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...
7180644 Holographic storage lenses  
Disclosed are holographic storage systems and lenses for holographic storage systems. The lens units can be of a two-component design. The lenses can be used to both record to photorefractive...
7177101 Optical head apparatus and optical information recording and reproduction apparatus  
Disclosed is an optical head apparatus comprising: a light source; a collimating means of converting a beam of light emitted from the light source into a substantially parallel beam of light; a...
7164544 Optical system and optical apparatus including the same  
At least one exemplary embodiment is directed to a telephoto type optical system capable of reliably correcting and/or reducing aberrations such as chromatic aberration. The optical system includes...
7164538 Zoom lens system  
A zoom lens system comprises, successively from the object side, a first negative lens group and a positive second lens group. The first lens group includes a negative meniscus lens and a positive...
7158320 Optical system and image pickup apparatus including the same  
Disclosed is an optical system in which an adhesive layer of a cemented lens is made of a mixture in which inorganic fine particles dispersed into a transparent medium. Therefore, there is realized...
7158319 Imaging lens system  
It is to provide an imaging lens system which, while reduced in size and weight, can fully meet the demand for more improvement in the optical performance and also improvement in the productivity....
7158312 Image-capturing lens and image-capturing apparatus  
An image-capturing lens includes a plastic lens formed with use of a material in which particles each having the maximum length of 30 nanometer or less are dispersed in a plastic material.
7106530 Optical system having image rotating function, and optical apparatus  
Provided is an optical system having an image rotating function disposed on an image side with respect to an image pick up lens, which makes it possible that its optical performance is...
7088530 Passively aligned optical elements  
An optical system has a first lens element (L 1 ) having an outer portion ( 36 ) and a first tapered surface ( 34 ). A second lens element (L 2 ) has an outer portion ( 26 ) and a second tapered...
7075728 Image-capturing lens and image- capturing apparatus  
An image-capturing lens includes a plastic lens formed with use of a material in which particles each having the maximum length of 30 nanometer or less are dispersed in a plastic material.
7061696 Single focus lens with particular optical distortion  
A single focus lens includes, in order from the object side: a diaphragm stop; and first and second lens components, each lens component being of positive refractive power and each having a convex...
7061688 Zoom lens with a vibration-proof function  
A zoom lens with a zoom ratio of about three includes a first lens group of negative refractive power that moves along an optical axis during zooming relative to a second lens group of positive...
7050246 Scanning device including a partly plastic high-NA objective system  
An optical scanning device for scanning an information layer ( 104 ) of an optical record carrier ( 102 ) includes a radiation source ( 110 ) for generating a radiation beam ( 108 ) and a high-NA...
7046455 Variable magnification lens and imaging apparatus using the same  
A variable magnification lens includes, in order from the object side, a front lens unit with positive refracting power and a rear lens unit with negative refracting power so that spacing between...
7046450 Liquid-immersion objective optical system  
The invention provides a liquid-immersion objective optical system including a first lens group and a second lens group. The first lens group includes a first lens component having positive...
7042659 Optical lens, design method for the optical lens and lens system using the optical lens  
An optical lens is described. The optical lens comprises a barrel, a first lens and a second lens. The barrel has a light incident opening, and a receiving space, wherein the receiving space is...
7035018 Imaging lens  
An imaging lens for an image pickup device consists of two lens components that may each consist of a lens element. In order from the object side, these lens components have negative and positive...
7019920 Image-formation optical system, and imaging system incorporating the same  
An imaging optical system that is of a small-format size yet capable of easily securing a back focus, and an imaging system that incorporates the same has only two lenses, specifically, a first...
6999247 Wide-angle projection lens  
A wide-angle projection lens includes, in order from an object side: a first lens group including four lenses and having a negative refractive power; and a second lens group including a cemented...
6992841 Imaging lens system  
An imaging lens system includes a first lens 2 which is a meniscus lens with its convex face turned toward the object side and having a positive power, a diaphragm 3 , and a second lens 4 ...
6989941 Two-group zoom lens  
A comparatively low f-number, compact two-group zoom lens that corrects aberrations in the visible and the near-infrared regions includes, in order from the object side, a first lens group of...
6982834 Wide-angle zoom lens including at least one aspheric lens surface  
A three-group zoom lens includes first, second, and third lens groups, of negative, positive, and positive refractive power, respectively. The second lens group includes a stop and the third lens...
6954316 Projection objective  
Projection exposure device and also projection objective with a lens arrangement which has at least one lens group of negative refractive power, this lens group comprising at least four lenses of...
6934094 Imaging lens device  
An imaging lens device has an imaging lens system that forms an optical image and an image sensing device that converts the optical image formed by the imaging lens system into an electronic...
6927927 Taking lens system  
A taking lens system has two lens elements, a positive lens element and a meniscus lens element convex to the image side. Another taking lens system has two lens elements, a first lens element...
6919998 Observation optical system and observation device  
An observation optical system including an objective optical part which forms an image of an object, an image inverting part which converts an image formed by said objective optical part into an...
6900950 Image-forming optical system  
A high-performance and low-cost image-forming optical system has a reduced number of constituent optical elements and is made extremely thin, particularly in a direction perpendicular to an image...
6885510 Holographic storage lenses  
Disclosed are holographic storage systems and lenses for holographic storage systems. The lens units can be of a two-component design. The lenses can be used to both record to photorefractive...
6879449 Broadband refractive objective for small spot optical metrology  
The subject invention relates to broadband optical metrology tools for performing measurements of patterned thin films on semiconductor integrated circuits. Particularly a family of optical designs...
6853504 Camera lens system for image pickup devices  
The present invention relates generally to a camera lens system for image pickup devices, which is mounted in a mobile phone or personal digital assistant, and more particularly to a camera lens...
6853495 Wide-angle lens system  
A wide-angle lens system having a long back focal length, disposed in front of a ⅓″ CCD camera and the focal length (f) for all lens groups is 3.0 mm, the F-number is 3.0 and the half-field...
6853484 Relay optical system  
The relay optical system comprises, in order from the intermediate image position I toward the the exit pupil EXP side, a first unit G 1 having a negative refracting power and a second unit G 2 ...
Matches 1 - 50 out of 269 1 2 3 4 5 6 >