Matches 201 - 250 out of 367 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5715088 Zoom lens system with function of reducing image vibration  
A zoom lens system with a function of reducing image vibration is constituted of, in the order from an object side, a first lens group having a positive refracting power; a second lens group being...
5715087 Image position correcting optical system  
Disclosed is an image position correcting optical system, comprising, sequentially from an object side, a first lens group having positive refracting power and a second lens group having negative...
5715086 Image-shake correcting device  
The present invention relates to an improvement in an image-shake correcting device which has a light deflecting unit having two opposed surface portions and a bag-like structure filled with a...
5701205 Shiftable lens system  
A shiftable lens system having front and rear lens groups, wherein a part or the whole of the rear lens group is shiftable in a direction perpendicular to the principal optical axis thereof.
5689369 Angular deviation detection apparatus  
There is provided an angular deviation state detection apparatus which detects the deviation state of a movable portion which can deviate, and has a detection portion for detecting a predetermined...
5680251 Lens barrel having a vibration compensation lens unit with moveable lens support member  
A zoom lens barrel containing a support member for supporting a vibration compensation lens and a vibration compensation drive unit thereof. The support member is held inside the lens barrel so...
5680200 Inspection apparatus and method for optical system, exposure apparatus provided with the inspection apparatus, and alignment apparatus and optical system thereof applicable to the exposure apparatus  
The present invention relates to inspection apparatus and method in which, based on images under a plurality of focus conditions formed by way of an optical system to be inspected, namely, using...
5677792 Zooming optical system  
A zooming optical system provided with a variable angle prism member of which the vertical angle is variable, and designed such that the vertical angle of the prism member is varied by a drive...
5673149 Optical apparatus having a function of preventing image blur or shake and having lens barrels of different diameters  
An optical apparatus having a first lens barrel member, a second lens barrel member having a larger diameter than a diameter of said first lens barrel member, an optical unit held by the second...
5672862 Optical apparatus having image shake preventing function  
An optical apparatus or a control device to be used for a light flux deflecting apparatus is arranged to include at least two light flux deflecting portions and a control portion which control the...
5661597 Image deflection apparatus  
An image stabilizer has, in succession from the object side, an objective lens group having at least positive refractive power, variable angle prism having its vertical angle variable, and optical...
5654826 Zoom lens system having a vibration reduction function  
A high performance zoom lens system is provided capable of driving a vibration reduction lens group while securing sufficient brightness (small F-number) and sufficient back focal length. The zoom...
5654752 Imaging apparatus with multiple pickups, processing and displays  
An imaging apparatus is disclosed which is integrally provided with two image pickup systems for respectively converting subject light into image signals and two displays for respectively...
5652678 Zoom lens system with function for reducing vibration  
A zoom lens with a function for reducing vibration, comprises in the order from an object side a first lens group having a negative refracting power and a second lens group movable in a direction...
5648871 Projection apparatus utilizing an anamorphic optical system  
A projection apparatus in which in order that an original image, which is compressed in a horizontal direction, may be projected onto a screen at a predetermined location by a master lens, the...
5648867 Lens system and photographic copier for rotating images  
An objective has a first group of lenses with a first optical axis and a second group of lenses with a second optical axis. The optical axes are offset from and parallel to one another. A pair of...
5646779 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....
5642225 Image position correcting optical system  
Disclosed is an image position correcting optical system, comprising sequentially from an object side, a first lens group having positive refracting power and a second lens group having negative...
5642224 Zoom lens system with vibration reduction function  
A zoom lens system with vibration reduction function includes, in succession from the object side, a first lens unit having positive refractive power, a second lens unit movable along a direction...
5642223 Tilting lens system  
A tilting lens system including a plurality of lens groups in which at least one lens group subsequent to a first lens group can be tilted about a predetermined point on a principal ray axis thereof.
5638210 Zoom lens having a vibration correcting optical system  
A zoom lens has an optical axis and at least three lens groups arranged in tandem and capable of being disposed in front of an object. The second lens group counted from the side of the object...
5637861 Imaging apparatus having improved resolution due to control of an inclination angle of a refracting plate in more than one direction  
A refracting plate is installed in the center of an actuator provided with a gimbaling mechanism element, which includes rotation supporting portions. A pair of voice coil motors are provided for...
5633756 Image stabilizing apparatus  
A blur suppressing apparatus includes a blur suppressing device movable in an optical path, for suppressing a blur of an image transmitted along the optical path. A mechanical lock is provided for...
5627677 Rear conversion lens with vibration-reduction function  
A rear conversion lens which has a negative refracting power and a function for magnifying, when mounted on an image side of an objective lens, an image formed by the objective lens, comprises, in...
5623364 Vibration-proof optical system  
The invention achieves a vibration-proof optical system which is designed so that when a picture-taking lens vibrates or shakes, the resultant blurring of the image can be well compensated for...
5617159 Image blur suppression device with inertial pendulum system for a camera  
An image blur suppression device suitable for a camera which compensates for low frequency camera motion without increasing the length of the camera in the optical axis direction and without posing...
5606456 Image processing apparatus and display system  
A device for compensating movement of an image formed by an optical system comprises first and second sensing units arranged at different positions along an optical axis of the optical system to...
5606384 Lens barrel having an image blur prevention system arranged with respect to other lens barrel devices to efficiently utilize lens barrel space  
A lens barrel having an image blur prevention system including an image blur prevention optical system to prevent image blur, and an image blur prevention optical system drive mechanism to move the...
5602676 Compact zoom lens with reduced aspheric decenter sensitivity  
A zoom lens having two units of lens components including from the object side a positive optical unit and a negative optical unit. The positive optical unit includes two lens components, a weak...
5598299 Photographic lens having image stabilizing function  
A photographic lens system having an image stabilizing function is disclosed, comprising, from front to rear, a first lens unit of positive refractive power and a second lens unit of negative...
5592331 Optical adapter for controlling the angle of the plane of focus  
An adapter for an optical instrument to control the angle of the plane of focus of the instrument. The adapter has front and rear coupling faces, a secondary lens and a tilt-swing mechanism or a...
5589239 Variable-angle optical device with optically transparent substance  
In an optical element, an optically transparent substance is sandwiched between transparent paired plate-shaped elements by utilizing a connection member capable of deforming, and the angle formed...
5585966 Zoom lens with vibration reduction function  
A zoom lens includes, in the following order from the object side, a first lens group having a positive refracting power, a second lens group having a negative refracting power, a third lens group...
5583694 Optical element and optical axis displacement device using the same  
The present invention relates to a light ray shift element which provides controlled refraction of the incident ray and an optical axis displacement device using the above light ray shift element....
5581404 Image stabilizing apparatus  
Disclosed is an image stabilizing apparatus for correcting image blur by driving at least one of a plurality of lens units constituting an objective lens such that the lens unit is decentered from...
5579171 Zoom lens equipped with the image stabilizing function  
A zoom lens having a four-unit lens construction with positive, negative, positive, and positive refractive powers. In an embodiment, the second lens unit is moved toward the image side during the...
5579160 Optical system capable of correcting image position  
An optical system includes a front group which is fixed in position in a direction substantially perpendicular to an optical axis, and a rear group which has a positive refractive power and is...
5559635 Zoom lens system capable of correcting image position  
A zoom lens system comprises, in the following order from the object side, a first lens group with a negative refractive power and a second lens group with a positive refractive power. When...
5539576 Shiftable lens system  
A shiftable lens system having front and rear lens groups, wherein a part or the whole of the rear lens group is shiftable in a direction perpendicular to the principal optical axis thereof.
5539575 Image stabilized optical system  
An image stabilized optical system includes a casing; an objective system and an eyepiece system; a gimbal which is connected to the casing via a shaft and is capable of oscillating; an erect prism...
5530589 Zoom lens having anti-vibration optical system  
A zoom lens has a first group of a positive refractive power and a second group of a negative refractive power in sequence as seen from an object. The first group of the positive refractive power...
5521758 Variable-magnification optical system capable of image stabilization  
A variable magnification optical system comprises, from front to rear, a lens unit which is stationary during variation of the magnification and during focusing and a portion for varying the...
5519538 Zoom lens for preventing image from being blurred  
A zoom lens including at least two lens groups which move relative to one another in an optical axis direction to change the focal length of the zoom lens, wherein during the zooming operation in...
5502594 Zoom lens incorporating vibration-proofing function  
A zoom lens incorporating a vibration-proofing function comprises, sequentially from an object side, a first lens group G 1 having a positive refracting power; a second lens group G 2 having a...
5499139 Ultra-wide field of view, broad spectral band helmet visor display optical system  
An optical display system in which an image is projected onto a combiner surface at a significant bending angle effectively compensates asymmetric aberrations, including quadratic, linear and...
5490014 High-aperture-ratio inner-focus telephoto lens  
A high-aperture-ratio inner-focus telephoto lens comprises a first lens group of positive refracting power, a second lens group of negative refracting power and a third lens group of positive...
5483376 Optical apparatus  
An optical apparatus comprising blur suppressing devices for suppressing blurs in a plurality of directions, a controlling device for conducting a drive control of the blur suppressing devices for...
5481394 Variable-apex prism controller  
A variable-apex prism controller which controls a variable-apex prism composed of two transparent optical members and an optically transparent substance sealed in the space defined between the two...
5479236 Image stabilizing apparatus  
This specification discloses an image stabilizing apparatus of high accuracy which includes a photo-taking lens having a first lens unit movable along the optic axis thereof to vary the focal...
5461513 Image stabilizing apparatus  
An image stabilizing apparatus is disclosed comprising an imaging optical system for forming an image of a subject onto an imaging surface. A deflector has first and second liquid prisms disposed...
Matches 201 - 250 out of 367 < 1 2 3 4 5 6 7 8 >