Matches 1 - 50 out of 124 1 2 3 >


Match Document Document Title
8139297 Imaging optical system, camera apparatus, and personal digital assistant  
An imaging optical system, including a first lens group; an aperture stop; a second lens group having a positive power, the first lens group, the aperture stop and the second lens group being...
8118734 Endoscope illumination optical system  
An endoscope illumination optical system includes a surface light source, a positive first lens element, a positive second lens element, in this order from the surface light source. The endoscope...
8094385 Image pickup lens and image pickup apparatus  
An image pickup lens includes: a first lens group including a single negative lens and a single positive lens disposed in order from the object side to the image side and having a positive...
8094354 Scanning objective lens, scanning probe and scanning endoscope  
A scanning objective lens for scanning on an observation target with light emitted from an exit end face of an optical fiber moving on a curved plane formed to be convex on an objective lens side,...
8059345 Integrated micro-optical systems  
An integrated micro-optical system includes at least two wafers with at least two optical elements provided on respective surfaces of the at least two wafers, at least one of the two optical...
8027100 Imaging lens, optical apparatus and method for forming image using this imaging lens  
An imaging lens includes a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power, which are disposed in order from an...
8016417 Eye model  
An eye model including a front positive lens, a rear positive lens, an aperture stop located between the front and rear positive lenses, and a focal plane located rearward of the rear positive...
7978423 Objective optical system for endoscopes  
An objective optical system includes, in order from the object side, a first unit having two lenses with negative refracting power and positive refracting power, a stop, and a second unit with...
7957076 Optical lens system for taking image  
An optical lens system for taking image comprises, in order from an object side to an image side: a first lens element with positive refractive power having an aspheric convex object-side surface...
7940478 Imaging lens, optical apparatus and method for forming image using this imaging lens  
An imaging lens includes a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power, which are disposed in order from an...
7924511 Optical system, method for focusing, and imaging apparatus equipped therewith  
Providing an optical system having excellent optical performance over entire focusing range from infinity to a close distance, a method for focusing the optical system, and an imaging apparatus...
7903348 Rear-focus optical system, imaging apparatus and method for focusing the same  
Providing a compact rear-focus optical system having excellent optical performance, an imaging apparatus, and a method for focusing the rear-focus optical system. The system includes, in order from...
7903349 Imaging lens and imaging apparatus using imaging lens  
An imaging lens includes, in order from an object side, a first lens group having a positive power, an aperture diaphragm, and a second lens group having a positive or negative power. The first...
7885015 Two-lens type optical lens system for taking image  
A two-lens type optical lens system for taking image consists two lens elements with refractive power, from the object side: a positive first lens element with a convex object-side surface and a...
7869143 Imaging optical system, camera apparatus, and personal digital assistant  
An imaging optical system, including a first lens group; an aperture stop; a second lens group having a positive power, the first lens group, the aperture stop and the second lens group being...
7869144 Lens optical system  
Provided is a lens optical system, which includes (from object to image side) a first lens group having positive refractive power, a stop, and a second lens group having positive refractive power....
7852573 Image taking lens  
An image taking lens LA comprises an aperture S1, a first lens L1 and a second lens L2 which are arranged in this order from an object side to an image side. The first lens L1 has a positive power...
7843655 Objective optical system and endoscope  
An objective optical system includes, a first group having positive refractive power, a second group having positive refractive power, the first group having a first parallel flat plate, a...
7843654 Collecting lens  
A system and method for collimating light emitted from a light source, such as a light-emitting diode (LED), is provided. The system and method includes two lenses, both lenses having a positive...
7800844 Focus detection optical system and imaging apparatus incorporating the same  
The invention relates to a focus detection optical system for digital single-lens reflex cameras or the like and an imaging apparatus incorporating the same. A pupil division optical system...
7782553 Imaging lens  
It is to provide an imaging lens that has excellent optical performance while being compact and light. The imaging lens includes, in order from an object side to an image surface side, a diaphragm,...
7773318 Objective optical system for endoscopes  
An objective optical system for endoscopes is characterized by comprising, in order from its object side, a stop, a first lens and a second lens. The first lens comprises a positive meniscus lens...
7773317 Lens system with symmetrical optics  
A lens system comprising an inner lens structure and an outer lens structure. The inner lens structure comprises an inner positive lens, a first transparent substrate and an inner negative lens....
7764445 Optical system  
An optical system is mounted in a mobile communication terminal and a personal digital assistant (PDA) for a monitoring camera and a digital camera. The optical system includes: a first optical...
7729062 Imaging lens and imaging device including the imaging lens  
An imaging lens including, in order from an object side to an image surface side, a first lens that is a meniscus lens having a positive power whose convex surface faces the object side, a...
7706087 Optical system and optical apparatus  
Providing an optical system having a large aperture ratio, a long back focal length, high optical performance with excellently correcting various aberrations, and an optical apparatus equipped with...
7692878 Optical device and method  
An article includes an optical device. The optical device includes a first lens and a second lens. The first lens includes an optically active material that responds to an external stimulus that...
7684129 Imaging lens system with high resolution and short length  
An imaging lens system, in order from the object side to the image side thereof, includes a first lens with positive refractive power, and a second lens with positive refractive power. The imaging...
7675694 Wide-angle lens system  
There is provided a wide-angle lens system having a wide angle of view and less distortion. The wide-angle lens system including: an object-side lens group disposed at an object side with respect...
7672061 Zoom lens and imaging device  
A zoom lens comprises: a stationary group that is stationary at the time of variable power; and a variable power group, disposed on an image side of the stationary group, that makes a variable...
7663816 Wide-angle lens and imaging apparatus  
Providing a large aperture wide-angle lens having high optical performance with sufficiently suppressed spherical aberration and sagittal coma flare, and an imaging apparatus using the lens. The...
7619836 Imaging lens unit  
An imaging lens unit comprising, in order from the object side, a first lens having a meniscus shape with its convex surface on the object side, an aperture stop and a second lens having a meniscus...
7605990 Lens system  
A lens system includes a first lens and a second lens formed in turn from an object side to an image side. The lens system satisfies the following conditions: 0.08≦D2/D≦0.14 (1) 4≦h2/z2≦12 (2) whe...
7595938 Wide-angle imaging lens, imaging device and camera module  
A first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power are provided in order from an object side. The first lens group...
7586694 Lens assembly  
A lens assembly includes, in order from an object side toward an image side along an optical axis thereof, a first lens having positive refractive power, and a second lens. The lens assembly...
7557998 High distorted lens  
A lens with a very high degree of barrel distortion at the image plane (or pincushion distortion in object space).
7492528 Two-piece type optical imaging lens  
A two-piece type optical imaging lens that includes a first lens element with positive refractive power, a second lens element with positive refractive power, an IR cut-off filter and an image...
7474480 Subminiature imaging optical system  
A subminiature imaging optical system including: a first lens having overall positive refractive power, the first lens including a first lens part having a convex object-side surface, a second lens...
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...
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...
7347567 Arrangement for projecting an image onto a projection surface and associated transformation lens system  
The invention relates to an arrangement for projecting an image, which is made of pixels, onto a projection surface, including at least one light source whose intensity can be altered and which...
7336432 Optical pickup and optical disc device  
An optical pickup includes at least a laser light source emitting a laser beam, a collimator lens system including a plurality of lenses for collimating the light beam emitted from the laser light...
7295379 LED light converging system  
An LED light converging system includes an LED light source, and first and second lens units aligned in sequence along an optical axis. The LED light source provides source light. The first lens...
7261420 Projection optical unit and projection image display apparatus  
A projection optical unit for enlarged projection of an image displayed by an image display element includes a first projection optical unit having positive refractive power, and a second...
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...
7167324 Imaging lens system  
The imaging lens system includes, from the object side, a diaphragm, a first lens as a positive meniscus lens whose convex surface faces the object side, and a second lens as a positive lens whose...
7139134 Image pickup lens  
Provided is an image pickup lens, in which the optical characteristic can be improved and, further, the productivity can be improved through increasing the telecentricity by keeping the distance...
7088528 Single focus lens including a front stop  
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...
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...
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...
Matches 1 - 50 out of 124 1 2 3 >