Abstract: An imaging device has a zoom lens system having a plurality of lens units and forming an optical image of an object so as to continuously optically zoom by varying distances between the lens unit; and an image sensor converting the optical image formed by the zoom lens system to an electric signal. The zoom lens system has from an object side: a first lens unit being overall negative and including a reflecting surface that bends a luminous flux substantially 90 degrees; and a second lens unit disposed with a variable air distance from the first lens unit, and having a negative optical power.

Abstract: A surface emitting apparatus and image display apparatus using this surface emitting apparatus that enables improved luminance uniformity and smaller apparatus sizes. The surface emitting apparatus has a light source section that emits light, a light guide plate that guides light incident from an inlet face such that the light is emitted from a surface of an outlet face and a scanning section that scans the light emitted from the light source section on the inlet face of the light guide plate. The image display apparatus has the surface emitting apparatus and a display panel that is arranged on a side of the outlet face of the light guide plate.

Abstract: A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<?iW<20.0 and (I-2): n11?1.9 (where, 3.

Abstract: A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a single third lens element, a cemented lens element of two lens elements having power of mutually different signs and a single sixth lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<?iW<20.0 and (I-2): n11?1.9 (where, 3.

Abstract: A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0<?i W<20.0 and (I-2): n11?1.9 (where, 3.

Abstract: An optical glass composition contains, in % by weight, 1.0% or more and 12.0% or less of SiO2, 8.0% or more and 18.0% or less of B2O3, 0% or more and 6.0% or less of ZnO, 1.0% or more and 10.0% or less of ZrO2, 25.0% or more and 47.0% or less of La2O3, 0% or more and 5.0% or less of R2O (here, R is at least one of Li, Na and K), 0% or more and 15.0% or less of Nb2O5, 0% or more and 7.0% or less of TiO2, 0% or more and 15.0% or less of Ta2O5, 1.0% or more of Nb2O5+TiO2+Ta2O5, 0% or more and 25.5% or less of Gd2O3, 0.5% or more and 15.0% or less of WO3 and 0.5% or more and 26.0% or less of Gd2O3+WO3, and has nd of 1.88 or higher and 1.92 or lower and ?d of 33 or higher and 37 or lower, and a preform and an optical element are formed from the optical glass composition.

Abstract: A zoom lens system for directing an optical image on an electric image sensor that includes a first lens unit disposed on a most object side and having a negative optical power, a second lens unit having a positive optical power, and a third lens unit including a most image side lens unit having at least a positive lens element and a negative lens element, wherein the following condition is satisfied: 3<|fl/fw| where fl is a focal length of the most image side lens unit, and fw is a focal length of the zoom lens system in a shortest focal length condition.

Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 133 or image data obtained by subjecting the image data generated by the CMOS sensor 133 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein the microcomputer 110 controls so that, when the live view mode is set, the digital camera comes out of the live view mode, and setting information on the digital camera is displayed on the liquid crystal monitor 150, in accordance with the manipulation of the manipulation portion 140. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.

Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 133 or image data obtained by subjecting the image data generated by the CMOS sensor 133 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein the microcomputer 110 controls so that, when the live view mode is set, the digital camera comes out of the live view mode, and setting information on the digital camera is displayed on the liquid crystal monitor 150, in accordance with the manipulation of the manipulation portion 140. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.

Abstract: Broadcasting waves transmitted from a broadcasting device include operation control information for operating peripheral devices on a receiver side in accordance with the contents of a broadcast program in addition to broadcast data about said broadcast program. The receiver outputs the broadcast data to a display device, and transmits an operation command signal dependent on the operation control information to the peripheral devices to operate the peripheral devices in accordance with the contents of the broadcast program. As a result, an air conditioner raises or lowers room temperature and an illumination device blinks according to the progress of the program.

Abstract: An optical pickup 1 includes a collimator lens 13 for changing the shape of a laser light by moving on the optical axis AX from a standard point. An objective lens 15 is set so as to form a spot of which size when the collimator lens 13 is located at the standard point is minimum at a point a distance apart from the surface on a light source 10 side of an information recording medium 20, the distance being a thickness to the designed center defined by an expression (1): Lc=(L0+Ln)/2 ??(1), wherein Lc is a thickness to the designed center; L0 is a distance between the surface on the light source side of the information recoding medium and an information recording face located nearest to the surface; and Ln is a distance between the surface on the light source side of the information recording medium and an information recording face located farthest from the surface.

Abstract: An inner circumference surface of a lens barrel is formed so as to be a rough surface having a larger surface roughness than a wavelength of incident light and a plurality of fine concave/convex portions are regularly arranged within a cycle equal to or larger than the incident light.

Abstract: A diffusing plate has a surface including a plurality of fine concave/convex portions regularly arranged within a cycle equal to or smaller than a predetermined wavelength. The surface has a larger surface roughness than the predetermined wavelength. An average value for an angle between a normal vector of the tangent plane of a roughness shape of the surface and a normal vector of a reference plane of the surface is 5 degrees or more.

Abstract: A zoom lens device has a zoom lens system having a plurality of lens units; and an image sensor converting an optical image formed by the zoom lens system, into electric image data. Lens surfaces constituting the zoom lens system are all refracting surfaces. Zooming is performed by varying the distances between the lens units. The following conditions are satisfied: 3.1?ft/fw?5.5 where fw is the focal length of the zoom lens system in the shortest focal length condition, and ft is the focal length of the zoom lens system in the longest focal length condition.

Abstract: A diffusing plate is formed so as to have a surface having a larger surface roughness than a predetermined wavelength and having an aperiodic roughness shape. A plurality of fine concave/convex portions are formed on the surface so as to be regularly arranged within a cycle equal to and smaller than a predetermined wavelength.

Abstract: A polarizing beam splitter having a film made of a high-refractivity material and a film made of a low-refractivity material alternately stacked on a substrate. When an incidence angle with respect to a film surface in a particular wavelength is set as ? (°), the following conditional expressions are satisfied in the range of 40???50(°):0.99?Rs(45)/Rs(?)?1.04, 0.96?Tp(45)/Tp(?)?1.05, where Rs(?): reflectivity of polarized light s at a ? incidence; Tp(?) transmissivity of polarized light p at a ? incidence angle; Rs(45): reflectivity of polarized light s at a 45° incidence angle; and, Tp(45) transmissivity of polarized light p at a 45° incidence angle. The transmissivity of the polarized light p does not decrease and the reflectivity of the polarized light s is nearly 100% with respect to even a broad angle region.

Abstract: Broadcasting waves transmitted from a broadcasting device include operation control information for operating peripheral devices on a receiver side in accordance with the contents of a broadcast program in addition to broadcast data about said broadcast program. The receiver outputs the broadcast data to a display device, and transmits an operation command signal dependent on the operation control information to the peripheral devices to operate the peripheral devices in accordance with the contents of the broadcast program. As a result, an air conditioner raises or lowers room temperature and an illumination device blinks according to the progress of the program.

Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 133 or image data obtained by subjecting the image data generated by the CMOS sensor 133 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein the microcomputer 110 controls so that, when the live view mode is set, the digital camera comes out of the live view mode, and setting information on the digital camera is displayed on the liquid crystal monitor 150, in accordance with the manipulation of the manipulation portion 140. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.

Abstract: A digital camera of the present invention includes a receiving portion 155 that receives a control signal from a remote controller, and a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 130 or image data obtained by subjecting the image data generated by the CMOS sensor 130 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein when the receiving portion 155 receives the control signal from the remote controller, the microcomputer 110 controls so as to shift the digital camera to a live view mode. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.

Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 130 or image data obtained by subjecting the image data generated by the CMOS sensor 130 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, and the microcomputer 110 controls so that movable mirrors 121a and 121b to enter an optical path of an image pickup optical system after the amount of light from a subject is obtained based on the image data generated by the CMOS sensor 130, a strobe 137 emits light, and measurement results of an AE sensor 133 are obtained. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.