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Match Document Document Title
7453647 Commom zoom optical system  
The common zoom optical system is provided that is almost commonly used in a plurality of zoom lenses as a component and that is capable of suppressing fluctuation in aberrations and deviation in...
7453642 Zoom lens system and image pickup apparatus having the same  
Disclosed is a compact zoom lens system having a image stabilizing function. This zoom lens system is provided with a plurality of lens units of which the interval between adjacent ones is changed...
7450314 Zoom lens system and image pickup apparatus using the same  
A zoom lens system comprises, in order from an object side, a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a...
7446947 Variable magnification optical system and image taking apparatus provided therewith  
A variable magnification optical system includes lens units that focus a ray of light from an object side on an image sensor, in which the lens unit located at a first position from the object side...
7446946 Zoom optical system  
At least one exemplary embodiment is directed to a zoom optical system which includes a plurality of optical groups with variable optical power arranged along an optical axis; and at least one...
7446804 Camera system and zoom lens  
The present invention provides a camera system which comprises: a zoom lens; phototaking means converting an image captured by the zoom lens into an electric image signal; and image control means,...
7440193 Wide-angle variable focal length lens system  
A variable focal length microlens system having a base section with a fluid chamber and a fluid pressurization mechanism. A flexible, substantially transparent polymer lens section is fixed above...
7436599 Electronic image pickup system  
The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the...
7433130 Zoom lens and image projection apparatus having same  
A zoom lens telecentric on a reduction side includes a first negative lens, a second negative lens and a first positive lens arranged from the enlargement side to the reduction side. At least one...
7426080 Zoom lens and image projection apparatus having the same  
At least one exemplary embodiment is directed to a zoom lens comprising a plurality of lens units, where the plurality of lens units have at least one negative lens including a first negative lens...
7423812 Zoom lens and projector employing zoom lens  
In a thin projector for projecting an image from a light valve such as a DMD, a compact zoom lens comprises, in order, a first lens group having a negative refractive power, a second lens group...
7420611 Electronic image pickup system  
The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and,...
7418199 Imaging apparatus  
An imaging apparatus including a first lens unit with positive power in which the most object-side surface is concave and the most image-side surface is convex, an aperture stop, a second lens unit...
7417684 Electronic image pickup system  
The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and,...
7414665 Imaging system  
The invention relates to an imaging system in which, while high image quality is maintained with the influence of diffraction minimized, the quantity of light is controlled, and which enables the...
7411740 Zoom lens  
Disclosed is a zoom lens, which includes, in sequence from an object side to an image side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth...
7411736 Image detection method and image detecting apparatus  
An image detection method includes steps of transferring image information in which, information of an object image on a sample (object plane) is transferred to a detection plane (image plane) of...
7405884 Optical apparatus  
An optical apparatus uses a variable-optical-characteristic optical element whereby focusing, zooming or the like can be effected without moving a lens or the like and the whole optical apparatus...
7403345 Zoom optical system and electronic imaging apparatus using the same  
A zoom optical system comprises in order from an object side, the first lens group consisting of one cemented lens in which each of the surfaces contacted with air is aspherical, and having...
7400455 Zoom lens system and display apparatus  
A zoom lens system that has two lens groups with respectively negative and positive refractive powers in that order from a display medium, such as a screen, side is provided. The first lens group...
7397609 Imaging apparatus  
An imaging apparatus suppresses deterioration in an image quality caused by an electronic zoom. A digital camera equipped with a plurality of optical systems includes a fixed focal distance lens...
7385767 Zoom optical system, and electronic equipment incorporating the same  
The invention concerns a zoom optical system in which, for zooming, an optical function surface is rotated about a point away from it to change the position of a light beam that passes through the...
7385766 Variable focal length lens system and image capturing apparatus  
A variable focal length lens system includes first to fourth lens groups having positive, negative, positive, and positive powers, respectively, and a fifth lens group arranged in this order from...
7379248 Image processor allowing shooting at close range  
An image processor includes a zoom lens for performing optical zooming by moving in a first range, an imaging unit for converting an object image obtained via a zoom lens into an image signal, and...
7375901 Zoom lens  
A zoom lens is provided and includes a first lens group, a second lens group, an aperture diaphragm, a third lens group, and a fourth lens group in order from the object side. The first lens group...
7375899 Compact zoom lens  
A compact zoom lens includes, in order from an object side to an image side, a first lens group ( 1 ) of negative refractive power, and second, third, fourth and fifth lens groups ( 2, 3, 4, 5 ) of...
7369327 Variable optical-property element and optical apparatus including the same  
A variable optical-property element includes a liquid crystal the pitch of twist is less than 60 times the wavelength of light used, so that a spatially uneven electric or magnetic field or...
7365911 Zoom lens and image pickup apparatus  
A zoom lens including a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth...
7365910 Electronic image pickup system  
The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the...
7362511 Zoom lens system for microscope and microscope using the same  
A zoom lens system for a microscope includes, in the following order from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive...
7362510 Zoom lens and image pickup apparatus  
A zoom lens with a reduced overall length having a color separating prism therein and a telecentric property with a first lens group (GI) having a positive refractive power and having a fixed...
7359124 Wide-angle variable focal length lens system  
A variable focal length microlens system having a base section with a fluid chamber and a fluid pressurization mechanism. A flexible, substantially transparent polymer lens section is fixed above...
7356251 Assembly-stage focus adjustment mechanism of a zoom lens  
An assembly-stage focus adjustment mechanism of a zoom lens barrel including a plurality of lens groups which are moved while distances therebetween are changed to perform a zooming operation, the...
7339748 Variable magnification optical system  
A variable magnification optical system for forming an optical image of an object on a light-receiving surface of an image sensor with variable magnification includes: from the object side, at...
7339746 Small and fast zoom system using micromirror array lens  
The present invention provides a small and fast zoom system using micromirror array lens (MMAL). Thanks to the fast response and compactness of the MMAL as well as absence of the macroscopic...
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...
7336428 Zoom lens system and electronic image pickup apparatus using the same  
A zoom lens system has a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power in order...
7336425 Zoom lens system  
A zoom lens system includes, in order from an object, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens...
7327953 Zoom lens and imaging device  
A zoom lens with a reduced thickness and size in the depthwise direction consists of a plurality of lens groups (GR 1 to GR 5 ), so that it varies in power in response to variation in intervals...
7317580 Zoom lens  
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...
7312934 Zoom lens and imaging apparatus  
Disclosed is a zoom lens which is composed of a plurality of groups of lenses and which varies the power thereof by changing inter-group spacings. The zoom lens is configured such that: the last...
7307797 Zoom lens system, lens barrel, imaging device and camera  
A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein an interval between at least any two lens units is changed so that an optical image is...
7304805 Zoom lens system and image pickup apparatus including the same  
At least one exemplary embodiment is directed to a zoom lens system having a telephoto-type configuration at the telephoto end. When assuming that an Abbe number is vd, and a partial dispersion...
7301710 Optical system, and optical apparatus  
The invention relates to an optical system that has reduced power consumptions, ensures noiseless operations and fast responses, contributes to cost reductions due to simplified mechanical...
7295388 Lens module  
A lens module using electromagnetic force to drive the focus-adjusting lens is disclosed. The lens module includes a base, two steel plates, four springs, a bottom plate, a lens holder, a coil, a...
7295380 Zoom lens and imaging device  
A zoom lens of rear focus type in which a total lens system is able to be miniaturized by further miniaturizing a prism, without deteriorating an optical performance. The zoom lens has a first lens...
7289273 Zoom lens and electronic imaging apparatus having the same  
A zoom lens includes, in order from the object side, the first lens unit consisting of one negative lens component in which a plurality of lens components are cemented to one another and the second...
7286300 Zoom lens and image pickup apparatus  
A zoom lens is disclosed which has a macro mode wherein the magnifying power is higher than 0.5. The zoom lens includes a first positive lens group, a second negative lens group movable upon power...
7283309 Wide-range, wide-angle, rotatable compound zoom  
A compact zoom lens system providing a wide-range, ultra-wide angle optionally rotatable compound zoom is disclosed. In one embodiment, the optical design is comprised of an NPP kernel followed by...
7277236 Zoom lens and image acquisition apparatus incorporating the same  
A zoom lens having an effective focal length fw for the wide angle mode comprises a first lens group, a second lens group and a third lens group. The first lens group has a negative effective power...
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