Sony Corporation

Tamron Company, Ltd.

Hiroki Yamano

Daisuke Kuroda

Makoto Kanai

Takumi Matsui

Kazuya Watanabe

So Miyasaka

Tetsuya Naruse

Hiromitsu Sakuraba

Hisashi Sutoh

Provided is an information processing apparatus capable of preventing unauthorized collation. An information processing apparatus includes a data acquisition unit configured to automatically acquire a plurality of user data items to acquire feature data of a user on the basis of a time-series change in the plurality of user data items, a determination unit configured to compare a plurality of the feature data items acquired at different timings to determine whether or not the plurality of feature data items indicates an identical feature of the user, and a control unit configured to control authentication processing on the user depending on a first determination result that is a determination result obtained by the determination unit.

Information processing apparatus, program, and information processing method

There is provided a zoom lens including first and second lens groups independently movable in an optical axis direction in an optical system. Before and after switching between two modes different in minimum focusing distance, a lens group to rule focusing changes between the first and second lens groups or a relative position between the first and second lens groups changes.

Zoom lens and image capturing apparatus

A zoom lens includes, in order from an object side to an image side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; a third lens group that has a positive refractive power; and a fourth lens group that has a positive refractive power. During zooming from a wide-angle end to a telephoto end, the first lens group is stationary relative to an imaging surface, and the second lens group is moved to the image side in an optical axis direction so as to decrease a space between the second lens group and the third lens group. The third lens group includes a positive lens, a negative lens, and a cemented lens. The zoom lens satisfies &#x2212;0.95&#x3c;fg3_neg/fg3&#x3c;&#x2212;0.5. Here, fg3_neg is a focal length of the negative lens of the third lens group, and fg3 is a focal length of the third lens group.

Zoom lens and imaging apparatus

Provided is a lens optical unit, including at least one lens arranged at an object side of a solid-state image sensor. An imaging plane of the image sensor has a non-planar shape causing a sag amount in an optical axis direction to increase as a distance from an optical axis increases, and satisfies the expression: &#x3c1;&#xd7;Sag&#x3e;0, where &#x3c1; represents a Petzval curvature of an optical unit represented by &#x3c1;: rrepresents a curvature radius of a klens surface from the object side, nrepresents a refractive index of a medium before being incident to the klens surface from the object side, n'represents a refractive index of a medium after being emitted from the klens surface from the object side, and Sag represents a sag amount in the optical axis direction related to a given point other than the optical axis on the imaging plane.

Lens optical unit and imaging device

There is provided a zoom lens including a first focus lens group having negative refractive power and moving in orientation to an image side along an optical axis in focusing from a long distance to a short distance, and a second focus lens group having positive refractive power, the second focus lens group being arranged on a closer side to an image relative to the first focus lens group and moving along the optical axis in focusing. The first and second focus lens groups move in association with each other.

A zoom lens includes: a first lens group having positive refracting power; a second lens group having negative refracting power; a third lens group having positive refracting power; a fourth lens group having positive refracting power; and a fifth lens group having positive refracting power arranged in this order from an object side toward an image side, wherein when the zoom lens undergoes zooming operation from a wide-angle end toward a telescopic end, the first lens group moves away from the second lens group toward an object to be imaged, the third lens group approaches the second lens group toward the object, and the fourth lens group approaches the third lens group toward the object, and the zoom lens satisfies the following conditional expression (1)4.5&#x3c;100&#xd7;(,2&#x2212;3)/&#x3c;15&#x2003;&#x2003;(1).

An imaging unit includes: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a solid-state imaging device that images an optical image formed by the first lens group to the third lens group sequentially arranged from an object side toward an image side, wherein, at zooming from a wide-angle end to a telephoto end, a distance between the first lens group and the second lens group becomes larger and a distance between the second lens group and the third lens group becomes smaller, and a distance from the second lens group to the solid-state imaging device at the wide-angle end is the longest in all zoom positions.

Imaging unit for wide-angle and telephoto zooming and imaging apparatus incorporating the same

A zoom lens includes, in order from an object side to an image side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; and a third lens group that has a positive refractive power, wherein the second lens group is constituted by three lenses of a first negative lens, a second negative lens, and a positive lens which are arranged in order from the object side to the image side, wherein an aspheric surface is formed on at least an object side of the positive lens in a shape of which a curvature gradually decreases as an outer periphery of the lens gets closer from an optical axis, and wherein the following Conditional Expressions (1) and (2) are satisfied:0.8&#x3c;10&#xd7;(2223)/(2223)&#x3c;1.8&#x2003;&#x2003;(1)3.0&#x3c;100&#xd7;{(2,23)/2}&#x3c;7.0&#x2003;&#x2003;(2).

An imaging optical system includes: a light control element formed of a dye pigment-containing dichroic guest-host liquid crystal, and that is disposed on a light path to adjust a quantity of incident light for an image sensing device; and an optical filter disposed on the light path, and that includes an infrared absorbing material, the optical filter having a spectral transmittance that satisfies the following conditions (1), (2), and (3)0.6&#x3c;&#x3c;1.05 &#x2003;&#x2003;(1)0.1&#x3c;&#x3c;0.5 &#x2003;&#x2003;(2)||&#x3c;0.05 &#x2003;&#x2003;(3)where

Imaging optical system and imaging apparatus

A zoom lens includes a plurality of lens groups having at least first, second and third lens groups arranged in order from an object side. The first lens group has a positive refractive power which is firmly secured when the magnification is changed, the second lens group has a negative refractive power which is shifted to the image side when the magnification is changed from the wide angle end to the telescopic end, and the third lens group has a positive refractive power which is firmly secured when the magnification is changed. The first lens group is configured by arranging, in order from the object side, a single lens having a negative refractive power, a prism having a reflection surface to create a 90&#xb0; bend in a light path, and at least one single lens having a positive refractive power.

Zoom lens and image-capture device

Disclosed herein is a zoom lens formed by arranging a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power in order from an object side to an image side, wherein at a time of varying power from a wide-angle end to a telephoto end, the first lens group is moved and the second lens group is moved to the object side integrally with a diaphragm such that an air interval between the first lens group and the second lens group is decreased and such that an air interval between the second lens group and the third lens group is increased.

Zoom lens and image pickup device

An image capture apparatus includes: a zoom lens; and an image pickup device converting an optical image formed by the zoom lens into an electric signal. The zoom lens includes, in order from the object side, a first lens group with a negative focal length, a second lens group with a positive focal length, a third lens group with a negative focal length, and a fourth lens group with a positive focal length. During zooming from a wide-angle end to a telephoto end, the first lens group moves along a locus having a convex shape toward an image side while decreasing an air space between the first and second lens groups, and the second and third lens groups move toward the object side while increasing an air space therebetween.

Zoom lens and image capture apparatus

An optical element includes: a base material formed of a film-like resin material that has an infrared absorbing effect; and a multilayered film that adjusts spectral characteristics, and is formed on an object-side surface and an image-side surface of the base material. The optical element is disposed on a light path of an imaging optical system, and of such characteristics that its spectral transmittance, and its spectral reflectivities on the object-side surface and the image-side surface satisfy the conditions (1) to (4)0.75&#x3c;&#x3c;0.95&#x2003;&#x2003;(1)615&#x3c;&#x3bb;&#x3c;670&#x2003;&#x2003;(2)||&#x3c;0.05&#x2003;&#x2003;(3)680&#x2266;&#x3bb;,&#x2003;&#x2003;(4)where

Infrared-absorbing filter with multilayer film in imaging optical system

A zoom lens includes: first, second and third lens groups having negative refracting power, positive refracting power and positive refracting power, respectively, disposed in the order listed from an object side to an image side, wherein during zooming from a wide angle end to a telephoto end, the first lens group is moved and the second lens group is moved toward the object such that an air space between the first and second lens groups decreases and an air space between the second and third lens groups increases; and the first lens group is formed by first and second lenses, the first and second lenses being disposed in the order listed from the object side to the image side, and the zoom lens satisfying the following Conditional Expressions (1) and (2)nd12&#x3e;2.0&#x2003;&#x2003;(1)&#x3bd;d12&#x3c;21.6&#x2003;&#x2003;(2).

Disclosed herein is a zoom lens formed by arranging a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power in order from an object side to an image side, wherein at a time of varying power from a wide-angle end to a telephoto end, the first lens group is moved, and the second lens group is moved to the object side such that an air interval between the first lens group and the second lens group is decreased and such that an air interval between the second lens group and the third lens group is increased.

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Tokyo, Japan

Hiroki Yamano