Matches 1 - 50 out of 360 1 2 3 4 5 6 7 8 >
Match Document Document Title
7411731 Zoom lens and imaging apparatus  
A zoom lens includes a varifocal lens unit including a plurality of movable lens groups, and a prism disposed on an image side of the varifocal lens unit. The prism has an incident plane into which...
7379250 Variable magnification optical system and image-taking apparatus  
A variable magnification optical system including at least: a first lens group having a negative optical power, a second lens group having a positive optical power, a third lens group having a...
7369313 Zoom lens and image pickup apparatus  
A zoom lens wherein the image plane movement upon lens shifting is minimized. A power variation section and a final lens group are disposed in order from an object side. The power variation section...
7342727 Zoom lens and image capture apparatus  
A zoom lens includes, in the following order from an object side: a first lens group including negative refractive power; a second lens group including negative refractive power; and a third lens...
7336426 Image pickup optical system and image pickup apparatus  
An image pickup optical system according to the present invention is provided for forming a light flux from an object into an optical image on an image pickup element. The image pickup optical...
7336419 Zoom lens, still image camera comprising the zoom lens, and video camera comprising the zoom lens  
Provided from the object side are a first lens group ( 11 ) having a positive refracting power and fixed to the image plane, a second lens group ( 12 ) having a negative refracting power and a...
7330316 Zoom lens system  
Object is to provide an inner-focusing type zoom lens system carrying out focusing by moving a portion of a first lens group suitable for an auto-focus SLR camera. A zoom lens system includes, in...
7330313 Telescope  
A telescope has at least one barrel. At least three optical elements, namely an objective lens, an inverting system, and an eyepiece are arranged within the barrel along a longitudinal axis thereof...
7315424 Zoom lens and image pickup apparatus having the same  
At least one exemplary embodiment is directed to a zoom lens configured to correct chromatic aberration and having a high optical performance over the entire zoom range. The zoom lens includes, in...
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...
7305179 Anti-shake apparatus  
An anti-shake apparatus of a photographing apparatus comprises a movable unit, and a control apparatus. The movable unit has an imaging device, and can be moved in first and second directions. The...
7255449 Stabilizer for optical devices  
An apparatus, system and method for stabilizing components is provided. In some embodiments, an apparatus for positioning an optical component relative to a frame is provided including a...
7253965 Zoom lens system with vibration reduction  
To provide a zoom lens system with a vibration reduction having a long back focal length suitable for a digital SLR camera, a high zoom ratio, and a wide angle of view of 70° or more. The system...
7242532 Zoom lens system  
Object is to provide an inner-focusing type zoom lens system carrying out focusing by moving a portion of a first lens group suitable for an auto-focus SLR camera. A zoom lens system includes, in...
7239463 Prism device and combined optical and radio frequency beam steering system  
A prism device includes: a prism material having substantially the same index of refraction at first and second wavelengths; a first anti-reflection coating for reducing reflection of a first...
7221511 Vibration-proof zoom lens and camera provided with the same  
A vibration-proof zoom lens comprises a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a positive fifth lens group, which...
7218457 Interchangeable lens  
Providing an interchangeable lens capable of carrying out quick focus from infinity to a close object with a magnification of almost life size by a light-weight moving lens group, exhibiting...
7218455 Zoom lens and imaging apparatus  
A zoom lens having at least a first lens group including a reflection member for bending an optical axis fixedly during zooming and having a negative refractive power, a second lens group having a...
7212349 Zoom lens system  
Providing a compact zoom lens system having high optical performance suitable for an electronic imaging device with a large number of pixels. The zoom lens system includes, in order from an object,...
7209299 Vibration reduction zoom lens system  
An object is to provide a vibration reduction (VR) zoom lens system having high optical performance and compactness suitable for an SLR camera, a video camera and the like. The zoom lens system...
7199942 Zoom lens system and image pickup apparatus including the zoom lens system  
At least one exemplary embodiment is directed to a zoom lens system which includes, in order from an object side to an image side, a first lens unit of positive optical power, a second lens unit of...
7190520 Zoom lens system and imaging apparatus having the same  
A zoom lens system includes a front lens group and a rear lens group arranged from an object side to an image side in that order. The front lens group includes a plurality of lens units, and during...
7187504 Zoom lens and image pick up apparatus including the same  
A zoom lens includes, in order from an object side to an image side: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having...
7164531 Image stabilization apparatus  
An image stabilization apparatus comprises a housing accommodating an optical system in the interior thereof. A part of optical members that compose the optical system is held to allow angular...
7154682 Optical apparatus  
An optical apparatus includes a light-quantity-adjusting unit, a first lens unit disposed closer to an object than the light-quantity-adjusting unit, a second lens unit disposed closer to an image...
7145735 Image pickup optical system and camera having it  
The present invention discloses an image pickup optical system which has a first lens unit with positive optical power, a second lens unit with negative optical power, a third lens unit with...
7136231 Zoom lens system  
A zoom lens system having high zoom ratio capable of shifting an image for vibration reduction correction. The system includes, in order from an object, a first lens group having positive power, a...
7133215 Varifocal zoom lens and camera system  
A varifocal zoom lens includes: a first lens group having a negative refractive power; a second lens group having a positive refractive power, including a cemented lens component L 21 formed by...
7126762 Zoom lens system, imaging device, and camera  
A zoom lens system, in order from the object side to the image side, comprises a first lens unit G 1 having positive optical power, a second lens unit G 2 having negative optical power, a third...
7126760 Image stabilizing zoom lens  
A zoom lens includes, a first lens unit ( 1 ) having a positive refractive power and is fixed with respect to an image plane; a second lens unit ( 2 ) having a negative refractive power and causing...
7126758 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...
7126110 Optronic passive surveillance device  
The present invention relates to an optronic passive surveillance device, especially for infrared surveillance. It comprises a front optic ( 1 ) of given useful instantaneous field, means ( 2 )...
7123422 Zoom lens system  
To provide a zoom lens system having high optical performance by using a diffractive optical element, the system includes a first group having positive power, a second group having negative power,...
7116489 Zoom lens and imaging device  
Disclosed are a zoom lens and an imaging device. The zoom lens has a first lens group with positive refractive power, a second lens group with negative refractive power, a third lens group with...
7116038 Ultrasonic motor, an operating apparatus, an optical apparatus and an electric instrument  
An ultrasonic motor of the present invention has a vibrating element 6 . The vibrating element 6 includes a first piezoelectric element 62 that undergoes extension and contraction by...
7068429 Zoom optical system with a vibration correction function and imaging device using the zoom optical system  
A zoom optical system with a vibration correction function includes, from the object side, a first lens group having positive refractive power and that is stationary during zooming, a second lens...
7068428 Zoom lens system and imaging apparatus having the same  
A zoom lens system includes a front lens group and a rear lens group arranged from an object side to an image side in that order. The front lens group includes a plurality of lens units, and during...
7061688 Zoom lens with a vibration-proof function  
A zoom lens with a zoom ratio of about three includes a first lens group of negative refractive power that moves along an optical axis during zooming relative to a second lens group of positive...
7057818 Zoom lens and optical apparatus having the same  
A zoom lens which has a high variable magnification ratio and high optical performance and an optical apparatus having the zoom lens are provided. A zoom lens according to an embodiment of the...
7023624 Zoom lens system and imaging apparatus having the same  
In a zoom lens comprising a first lens unit having positive refractive power, a second lens unit having negative refractive power, a third lens unit having positive refractive power and a fourth...
6999241 Zoom lens, and video camera and digital still camera using the zoom lens  
A zoom lens, having a camera shake correction function, that is capable of preventing degradation of chromatic aberration while correcting camera shake, and can be small, light-weight and...
6999240 Zoom lens and video camera using it  
A zoom lens capable of correcting camera shake and being reduced in size and weight, comprising five groups of lenses respectively having positive, negative, positive, negative, positive refractive...
6989942 Zoom lens and photographing apparatus having the same  
A zoom lens includes, in order from an object side to an image side, a first lens unit of positive refractive power, a second lens unit of negative refractive power arranged to move during...
6950245 Optical system, and optical apparatus  
The invention relates to an optical system or apparatus such as a lens system capable of focus control and a variable-focus lens, which has reduced power consumptions, ensures noiseless operation...
6937395 Panoramic viewing device  
A panoramic viewing apparatus has an imaging system that is arranged in a housing provided with a rotary drive. The imaging system has a lens system by means of which the images of the objects are...
6917470 Optical apparatus  
This invention relates to an optical apparatus for observation which is provided with drive control means for driving a variable angle prism on the basis of an output signal from vibration...
6909545 Binocular vibration correcting device and binocular optical instrument  
Binocular vibration correcting device comprises left and right vibration-correcting optical systems that correct images by being driven in the yaw and pitch directions in accordance with vibration....
6891680 Zoom lens system  
The object is to provide an afocal zoom lens system with the f-number of about 4 or less capable of performing vibration reduction correction. The system includes, in order from an object, a first...
6880937 Projection optical system and image projection apparatus  
In a projection optical system projecting an image displayed on a predetermined play surface onto a predetermined projection surface, two decentering lens units movable in directions vertical to...
6836364 Beam steering and scanning device  
A beam steerer/scanner ( 50 ) includes a dynamically balanced bi-index rotating element ( 52 ). The element is comprised of a pair ( 52 A, 52 B) of transparent hemispheres which are of the same...
Matches 1 - 50 out of 360 1 2 3 4 5 6 7 8 >