Matches 151 - 200 out of 367 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5986826 Drive device using electromechanical conversion element  
A drive device for driving an optical element suitable to be attached to a camera shake correction device. The drive device employs items molded from a synthetic resin in which the elastic...
5986806 Decentered optical system  
A decentered optical system has a first lens unit having positive refractive power and a second lens unit having positive refractive power arranged in the order in which they are listed from a...
5978151 Optical system and assembling method of optical system  
An optical system has a plurality of lens elements and a lens block including a single lens or multiple lenses included in the plurality of lens elements, wherein an extent of curvature of field...
5978137 Image stabilizing apparatus  
In an image stabilizing apparatus employing a system in which the rotational position of gimbal suspension is controlled on the basis of an output value from an angular velocity sensor attached...
5973836 Optical system having an optical system shake compensating function  
A system includes a compensating lens unit capable of decentering for camera shake compensation and a non-decentering lens located closer to an image than the compensating lens unit and not...
5969886 Lens barrel and optical apparatus having the same  
A lens barrel comprises a vibration detecting device for detecting a vibration, a correcting optical device for correcting the vibration on the basis of an output of the vibration detecting device,...
5959769 Binoculars having correction device correcting alignment errors introduced in the optical axis during assembly  
Binoculars allow easy alignment of optical axes and correction of parallax in accordance with the distance of an object. The binoculars have correction lenses in right and left optical systems, and...
5946136 Lens capable of short distance photographing with vibration reduction function  
A lens capable of a short distance photographing satisfies │βM│>0.25 (βM is the photographing magnification at a shortest photographing distance). The lens includes a plurality of lens...
5943169 Image blur preventing device  
An image blur prevention apparatus including a detection device that detects a preparatory operation of an operation portion, such as the open or closed state of a cover member for a battery...
5940213 Anti-vibration telescope  
An anti-vibration telescope allows an image formed on the retina of the observer's eye to remain stationary even when the telescope is tilted from its original position. The anti-vibration...
5930042 Optical lens barrel with an optical lens group shiftable perpendicular to and parallel with an optical axis and method of use  
An optical lens barrel having a lens group which serves as a vibration compensation lens group and a focusing lens group. The lens group is held by a holder movably secured to a plate. The lens...
5926316 Projection lens system  
A varifocal projection lens system comprising a first lens group of a positive refractive power that is provided closer to a screen, and a second lens group of a positive refractive power that is...
5917663 Wide-angle lens with an image stabilizing function  
A wide-angle lens with an image stabilizing function comprises, from a front, object side to a rear, image side, a lens group GF with negative refractive power; a lens group GL with positive...
5917653 Binoculars capable of vibration reduction  
In order to make the visibility of a right optical system to be the same as that of a left optical system even when there is a vibration and to simplify a drive mechanism, a pair of right and left...
5910859 Image stabilizing apparatus  
It is judged whether or not the pivotal movement of gimbal suspension is in a locked state. When the gimbal suspension is judged to be in the locked state, an actuator is stopped, and an operator...
5883742 Image vibration reduction device  
An image vibration reduction device has a vibration reduction optical system movable for reducing an image vibration, a guide member for movably guiding the vibration reduction optical system in a...
5847875 Zoom lens  
A large diameter zoom lens includes a large zooming ratio which is capable of faster auto focussing (AF). A zoom lens, having a zooming ratio of not less than 1.5, includes, in order from an object...
5844719 Light deflection apparatus  
A light deflection apparatus includes an optical device for deflecting light, and a spherical guide for guiding the light deflected by the optical device.
5841588 Zoom lens system with vibration reduction means  
A zoom lens system with vibration-reduction function, comprising, in order from an object side: a first lens group having a positive refractive power; a second lens group having a negative...
5835272 Zoom Lens  
A zoom lens is provided such that it has a high image quality over its entire zooming range, an angle of view of 70° or greater at a wide-angle end, a zooming ratio of 2.5 or greater, and an...
5834761 Image input apparatus having a spatial filter controller  
The Invention is an image input apparatus equipped with means of image shifting which is capable of inputting images of different resolutions, and enables the transmission band of the spatial...
5831768 Zoom lens capable of shifting an image  
A zoom lens with a high zoom ratio is disclosed which is capable of shifting an image while preventing image deterioration. The zoom lens includes a lens group having, in order from the object, a...
5828499 Zoom lens system  
A high variable power zoom lens system that performs image formation and also covers a wide-angle area. The zoom lens includes a first lens group having a positive refractive power arranged at the...
5828490 Image position correcting optical system  
An image position correcting optical system is provided with a compact and light image-position correction lens group while maintaining excellent optical performance. The image position correcting...
5825546 "Macro" Photographic lens having long focal length and vibration compensation  
Macro telephoto lenses are disclosed for photographic use and that have a vibration compensation. The lenses have a relatively long focal length (as telephoto lenses), having a field of view of...
5825545 Image stabilizing device  
The present invention relates to an optical instrument such as an optical axis deflecting device or an image stabilizing device having an optical member supported for rotation about a predetermined...
5822122 Image stabilizing optical device  
An image stabilizing optical device including an optical system having a first lens located on an object side and a second lens located on an imaging lens side. The first lens and the second lens...
5798863 Image stabilized optical system  
An image stabilized optical system includes a casing, an objective system, an eyepiece system, a gimbal connected to the casing via a shaft and capable of oscillating, an erect prism attached to...
5796531 Light beam deflection unit  
In a light beam deflection unit such as a variable apical-angle prism, a holding member for holding a movable optical member, e.g., glass plates, is made of a high-stiffness material (for example,...
5790309 Zoom lens system capable of shifting an image and compensating back focus variation  
A zoom lens system in which the back focus variations that accompany the movement of a shift lens unit can be compensated. During image shifting, the shift lens unit can be moved in a direction...
5786936 Image stabilizing device  
An image stabilizing device for optical equipment has at least one force exerting drive element for the compensation of vibrations acting on an optical arrangement in the optical equipment from its...
5781348 Zoom lens system  
A compact zoom lens system that moves during zooming from a maximum wide-angle state to a maximum telephoto state also can shift an image to compensate for vibrations (shaking). The zoom lens...
5781339 Optical device for deflecting light  
The prevent invention relates to an optical device capable of varying the angle formed by a pair of optical elements. The optical device comprises a pair of support members having portions for...
5774267 Zoom lens  
A large diameter zoom lens includes a large zooming ratio which is capable of faster auto focussing (AF). A zoom lens, having a zooming ratio of not less than 1.5, includes, in order from an object...
5771123 Zoom lens having image stabilizing function  
A zoom lens comprises a plurality of lens units, in which at least one of lens unit separations in the plurality of lens units is varied to vary a focal length, an aperture stop, and a variable...
5768016 Electro-mechanical transducer lens drive mechanism for a vibration compensating lens system  
A lens system for compensating for shaking movement of a camera includes an objective lens system that forms the image and a compensating lens system interposed in the optical axis of the objective...
5760958 Compact zoom lens with antivibration function  
A zoom lens with antivibration function is provided, in the order from the object side, with a first lens group of a positive refractive power and a second lens group of a negative refractive...
5760957 Zoom lens having the vibration-reduction function  
A zoom lens having the vibration-reduction function includes, in succession from the object side, a first lens unit having positive refractive power, a second lens unit having negative refractive...
5757555 Internal focusing type telephoto lens  
An internal focusing type telephoto lens which, while maintaining a superior optical performance, has a small effective aperture of the focusing lens as well as a small focusing movement amount....
5754339 Vibration compensation device for binocular  
A wedge prism unit is positioned on the optical axes of the objective optical systems of two telescope systems of a binocular. The wedge prism unit includes a front wedge prism element and a rear...
5751486 Shake-preventing correction optical system  
A shake-preventing correction optical system has in order from the object side a lens unit (Gf) fixed in a direction perpendicular to the optical axis and a shake-preventing correction lens unit...
5751485 Lens capable of short distance photographing with vibration reduction function  
A lens capable of a short distance photographing satisfies │βM│>0.25 (βM is the photographing magnification at a shortest photographing distance). The lens includes a plurality of lens...
5748995 Vibration reducing apparatus and vibration reducing camera  
A vibration reducing apparatus comprises a holding unit for holding a vibration reducing optical system, a vibration reducing drive unit for reducing vibrations of an object image by moving the...
5745306 Internal focusing telephoto lens  
The internal focusing telephoto lens of the invention has a focusing group with a small effective diameter and small focusing movement amount and maintains favorable optical performance. The...
5739953 Optical system capable of correcting image position  
An optical system includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power....
5731897 Zoom lens with an image stabilizing function  
A high performance zoom lens is provided with an image stabilizing function that can maintain a sufficiently long focal length and back focus. The zoom lens with an image stabilizing function...
5731896 Microscope  
A microscope has the optically imaging portion of its optical arrangement separated from the object to be observed. The microscope has at least one force exerting drive element for the compensation...
5729770 Image movement correcting device effecting image movement correction depending on position of center of rotation of angular fluctuation  
This specification discloses an image movement correcting device for a photographing apparatus for appropriately judging a variation in the amount of image movement correction by the difference in...
5721641 Zoom lens capable of correcting image position movement  
A zoom lens has the capability to maintain image quality during image shifting for correcting for movement of the zoom lens. The zoom lens comprises, in order from the object side, a first lens...
5719703 Optical system capable of correcting image position  
An optical system includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power....
Matches 151 - 200 out of 367 < 1 2 3 4 5 6 7 8 >