Konica Corporation

Konica Minolta Opto, Inc.

Konica-minolta Holdings, Inc.

Susumu Yamaguchi

Masae Sato

Eigo Sano

Yasushi Hoshino

Hiroyuki Hattori

Kazuo Tansho

Hiroshi Sato

Shoji Kogo

Yuichi Honda

Yuuichi Atarashi

Nobuyoshi Mori

Masashi Isono

Yasunari Fukuta

Toshihiko Kiriki

Katsuya Yagi

Takumi Matsui

Oh-Bong Kwon

Yusuke Suzuki

Masafumi Mizukami

An image pickup device provided on a base board, comprises an image pickup element provided on the base board and including a photoelectrically converting section in which pixels are arranged, a peripheral surface formed around the photoelectrically converting section and a side surface crossing the peripheral surface; an optical member including a lens section to form an image of an object onto the photoelectrically converting section of the image pickup element, a leg section to support the lens section and a contact surface to be brought in contact with the image pickup element, wherein the lens section, the leg section and the contact surface are made in a single body. The optical member is mounted on the image pickup element such that the contact surface is brought in contact with the peripheral surface or with a surface member when the surface member is provided on the peripheral surface.

Image pickup device and image pickup lens

The image taking lens has the minimum effective diameter lens whose effective diameter is minimum, and the maximum effective diameter lens whose effective diameter is maximum on the most image side, and in the space generated in the minimum effective diameter lens periphery by the difference of the outer diameter of the minimum effective diameter lens and the outer diameter of the maximum effective diameter lens, at least a part of an actuator for driving focusing lens group moving at the time of focusing is arranged.

Image taking apparatus and assembling method thereof

An image pick-up lens for forming an image of an object on a solid image pick-up element having a rectangular effective pixel area, has a first lens; a second lens; a third lens; and a diaphragm having an aperture. The following conditional expressions are satisfied:15&#xb0;&#x3c;IA&#x3c;35&#xb0;|&#x2212;()|&#x3c;5&#xb0;where,

Image pick-up lens, image pick-up unit and mobile terminal

In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups arranged in the lens system includes a refractive power variable element of a transmission type which has a compensation function to correct focus movement caused by zooming and a focus function to correct focus movement caused by a variation in inter-object distance. The refractive power variable element is a liquid optical element including a first liquid having a conductivity or a polarity and a second liquid which is not mixed with the first liquid, the first liquid and the second liquid being enclosed in a container fluid-tight so as to define an interface therebetween having a predetermined shape, the liquid optical element being arranged such that a refractive power thereof is adjusted by changing a curvature of the interface.

Zoom lens

The present invention provides an image pickup lens for forming a light flux from a subject into an image on an image pickup element, and the image pickup lens includes, in order from an object side thereof: an aperture stop; a first lens having a positive refractive power; a second lens having a negative refractive power and comprising a concave surface facing an image side of the image pickup lens; a third lens having a positive refractive power; and a fourth lens having a negative refractive power and comprising a concave surface facing the image side. The image pickup lens satisfies the predetermined condition according to a curvature radius of the surface facing the image side on the second lens, and a focal length of the image pickup lens.

Image pickup lens, image pickup apparatus and mobile terminal

An image pickup lens includes in order from an object side of the image pickup lens: a first lens having positive refractive power whose convex surface faces the object side of the image pickup lens; an aperture stop; a meniscus shaped second lens having positive refractive power whose convex surface faces an image side of the image pickup lens; and a third lens having negative refractive power whose concave surface faces the image side of the image pickup lens, wherein the image pickup lens satisfies the following conditional expressions:0.81/&#x3c;2.0&#x2003;&#x2003;(1)20&#x3c;((&#x3bd;1+&#x3bd;2)/2)&#x2212;&#x3bd;3&#x3c;70&#x2003;&#x2003;(2)where fis a focal length of the first lens, f is a focal length of a total system of the image pickup lens, and &#x3bd;and &#x3bd;are the Abbe constants of the first to third lenses respectively.

Image pick-up lens, image pick-up unit, and mobile terminal provided with this image pick-up unit

An image capturing lens to capture an image of an object is provided with an aperture diaphragm having an aperture through which an image is captured; a first lens having a positive refracting power, wherein both surfaces of the first lens are shaped in a convex form; a second lens having a negative refracting power, wherein an object-side surface of the second lens is shaped a convex form; and a third lens which is a meniscus lens whose convex surface faces toward the object side; wherein the aperture diaphragm, the firs lens, the second lens and the third lens are aligned in this order from the object side.

Image-capturing lens, image-capturing device and image capturing unit

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.

Image-capturing lens and image-capturing apparatus

The present invention relates to an image pick-up lens, an image pick-up apparatus comprising the image pick-up lens and a producing method of the image pick-up lens, and the image pick-up lens comprising: a lens part to form an image point of an object point at predetermined distance; and a supporting part to support the lens part and integrally formed with the lens part in a tubular form extended from the periphery of the lens part along the optical axis of the lens part, and the tip end of the tubular form is included in an ideal plain surface perpendicular to the optical axis of the lens part, wherein the image point is located in the ideal plain surface.

Image pickup lens, image pickup apparatus and method for forming image pickup lens

Image-capturing lens and image- capturing apparatus

An image pickup lens that has therein, in the order named from an object side, an aperture stop, a meniscus-shaped first lens having positive refracting power whose convex surface faces an object and a second lens having positive or negative refracting power whose convex surface faces the object, wherein each of the first lens and the second lens has at least one aspheric surface and satisfies the following condition expression f/|f|&#x3c;1.0 wherein, fis a focal length of the first lens, fis a focal length of the second lens and f is a focal length of the entire system of the image pickup lens.

Image pickup lens, image pickup unit and cellphone terminal equipped therewith

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 positive refractive power, the third lens has negative refractive power and has a concave surface facing toward the object side to be formed in a meniscus shape, and the fourth lens has the positive or negative refractive power and has a convex surface facing toward the object side to be formed in the meniscus shape.

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Hachioji, Japan

Susumu Yamaguchi