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Match Document Document Title
7626767 Zoom lens  
A zoom lens for capturing images that enhances the image aberration correction rate to achieve high resolution and zooming ratio. The zoom lens includes, in sequence from an object side to an image...
7626766 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...
7623299 Zoom lens and imaging apparatus  
A zoom lens is provided, which includes a first lens group Gr 1 having positive refractive power, a second lens group Gr 2 having negative refractive power, which is movable in an optical axis...
7593168 Zoom lens and imaging apparatus using the same  
The present invention relates to a low-cost zoom lens which has high optical performance specifications such as a wide angle of view and a high zoom ratio of as high as 5, is extremely small in...
7589913 Lens device and imaging device  
An optical path passing through an object-side lens group is bent at a right angle by an optical device so as to be a vertical optical path. A lens group on imaging surface side for forming an...
7589909 Rear-focusing type zoom lens and imaging apparatus  
A rear-focusing type zoom lens includes, in order from an object side, a positive first group being fixed, a negative second group moving toward an image plane along an optical axis during zooming...
7580201 Zoom lens system  
A zoom lens system includes, in order from an object side to an image side, a first positive lens group (G 1 ), a second negative lens group (G 2 ), a third positive lens group (G 3 ), and a fourth...
7580199 Zoom lens and image taking system having the same  
A zoom lens includes a focus unit, a zoom unit, an aperture stop, and an imaging unit having a splitting element that are arranged in that order from an object side to an image side. The splitting...
7568805 Illumination unit and image projecting apparatus employing the same  
An illumination unit includes multiple light source units to emit light having different wavelengths, and a synthesizing prism to synthesize the emitted light. The synthesizing prism includes a...
7561787 Reduction optical system with a meniscus single-lens element  
A reduction optical system for forming, without re-imaging, a reduced image of a subject image formed by a main lens system. The reduction optical system has on the most object side a meniscus...
7561342 Zoom lens system  
An object is to provide an ultra-compact zoom lens system suitable for a video camera and a electronic still camera using a solid-state imaging device and the like with securing high optical...
7558003 Zoom lens and imaging apparatus  
An electrode for an extra-high pressure discharge lamp, comprises large diameter portion which is symmetrical with respect to an axis of the electrode, a small diameter portion connected to the...
7551367 Wide-angle lens, optical apparatus and method for focusing  
Providing a wide-angle lens having high optical performance, an optical apparatus using the same, and a method for focusing the wide-angle lens. The lens comprising, in order from an object, a...
7545579 Zoom lens system and image pick-up apparaus  
There is provided a zoom lens system, compact and light in weight and having high image formation performance over the zoom entire range irrespective of object lens while covering the range from...
7542212 Zoom lens and image capture apparatus  
A zoom lens includes in order and from the side of an object, a first lens group having a positive refractive power and fixed in position, a second lens group having a negative refractive power and...
7532417 Dual field of view lens system  
A dual field of view lens system comprising a first lens group aligned along an optical axis and a third lens group aligned along the optical axis and positioned a predetermined distanced from the...
7525729 Zoom lens and imaging apparatus  
There is provided a zoom lens having, in an order of an object-to-image direction, a first lens group having a positive refractive power and fixed with respect to an image plane; a second lens...
7518805 Zoom lens system  
A zoom lens system that has five lens groups with respectively positive, negative, positive, positive, and positive refractive powers in that order from an object side to an image forming side is...
7515354 Zooms lens system and electronic image pickup apparatus using the same  
A zoom lens system includes, in order from an object side, a first lens unit G 1 having a positive refracting power, a second lens unit G 2 having a negative refracting power, a third lens unit G...
7508600 Optical system and optical apparatus including the same  
An optical system includes at least one of a movable lens unit movable in an optical axis direction and a fixed lens unit that is not movable in the optical axis direction. The at least one lens...
7508593 Bent type zoom optical system, and imager, information processor and electronic camera apparatus incorporating the same  
The invention relates to a bent type zoom optical system comprising a positive first lens group having a reflecting member and remaining fixed upon zooming and a second lens group adapted to move...
7505213 Zoom lens and image pickup apparatus  
A focusing group G 1 is disposed on an object side relative to a variator group G 2 . The focusing group G 1 includes, in order from the object side, a first group G 11 having a positive...
7492525 Zoom lens, camera apparatus and portable information terminal apparatus  
A zoom lens having five lens groups arranged in succession. The zoom lens is configured such that when zooming from a short focal length end toward a long focal length end, the second lens group...
7489452 Telephoto zoom lens system  
A telephoto zoom lens system includes a positive first lens group, a negative second lens group as a focusing lens group, a diaphragm, a positive third lens group, and a positive fourth lens group,...
7489451 Taking lens system and image capturing apparatus  
A taking lens system is provided with, from the side of the object to be photographed, a first lens unit (G 1 ) having positive optical power, a second lens unit (G 2 ) having negative optical...
7486447 Compact zoom lens  
A compact zoom lens includes, from the object side to the image side, a negative first lens group ( 1 ), a positive second lens group ( 2 ) and a positive third lens group ( 3 ). The first lens...
7477457 Zoom lens system and electronic image pickup apparatus using the same  
A zoom lens system comprises a first lens unit having a positive refractive power, a second lens unit having a negative refractive power and a third lens unit having a positive refractive power,...
7471453 Zoom lens system, 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 among the lens units is changed so that...
7466496 Zoom lens and image pickup apparatus having the same  
A zoom lens includes: a first lens unit of positive refractive power; a second lens unit of negative refractive power; a third lens unit of positive refractive power; and a fourth lens unit of...
7466495 Image pickup apparatus and zoom lens  
An image pickup apparatus includes a zoom lens including at least two movable lens groups; an image pickup element that converts an optical image formed with the zoom lens into an electric signal;...
7463427 Zoom lens and image pickup apparatus  
A zoom lens made up of a first lens group having positive refracting power, a second lens group having negative refracting power, a third lens group having positive refracting power, and a fourth...
7463426 Image pickup apparatus  
An image pickup apparatus includes an image pickup element and an optical system configured to form an image on the image pickup element. The optical system includes, in order from an object side...
7457046 Zoom lens system and image-taking apparatus  
A zoom lens system is disclosed which comprises in order from an object side to an image side: a first lens unit with a positive optical power (inverse of the focal length), a second lens unit with...
7457043 Projection exposure system  
A projection exposure system, intended in particular for microlithography, is used for generating, in an image plane, an image of a mask arranged in an object plane. The projection exposure system...
RE40582 Zoom lens system  
The invention provides a zoom lens system that is reduced in terms of both size and cost. The zoom lens system comprises a first positive lens group G1, a second negative lens group G2, a stop S, a...
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...
7450837 Zoom optical system, imaging lens device, and digital apparatus  
A zoom optical system has lens groups, and performs zooming by varying distances between the respective lens groups in an optical axis direction thereof. The zoom optical system has two or more...
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...
7447426 Optical apparatus and lens control method  
An optical apparatus is disclosed, which is capable of suppressing an image blur at the start of zooming. The optical apparatus comprises a memory storing data indicating the position of a second...
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,...
7443599 Magnification varying optical system and image taking apparatus  
A magnification varying optical system that directs light from an object to an image sensor includes in order from the object side: a first lens unit having negative optical power and including an...
7433132 Zoom lens system and electronic image pickup apparatus using the same  
A four-unit zoom lens system includes in order from an object side, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit...
7430079 Zoom lens and imaging system using the same  
The invention relates to a high-performance, high-zoom-ratio zoom lens that can be much more reduced in terms of thickness upon received at a collapsible lens mount, and an imaging system...
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...
7418200 Optical unit and imaging device  
A collapsible type optical unit is described that is capable of moving its optical system between a working position and a retracted position as well as an image-pickup apparatus including the...
7411741 Zoom lens system including reflective surface which reflects optical path and image pickup apparatus including the system  
There is disclosed a zoom lens system including, 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...
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...
7408719 Telephoto lens, telephoto lens system, and imaging system incorporating the same  
The invention relates to a telephoto lens that can easily have high resolving power best suited for use with digital cameras and maintain the integrity of performance even at the nearest distance...
7400458 Imaging optics with wavelength dependent aperture stop  
An imaging system includes a wavelength dependent aperture stop, which transmits light with different ranges of wavelengths through apertures of different diameters. Thus, different colored light...
7397610 Zoom lens and image projection apparatus having the same  
A zoom lens of the invention has three lens groups. In the zoom lens, magnification change is performed by moving only one lens group among the three lens groups, and focus adjustments is performed...
Matches 1 - 50 out of 324 1 2 3 4 5 6 7 >