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7609441 Distorted pupil relay for spectral filtering  
A system and method for spectral filtering of images are provided. The system and method utilize a first biconic lens surface to astigmatize a substantially 2-D system pupil into a substantially...
7586679 Image transmission system from three rod lenses for rigid endoscopes  
The invention relates to an image transmission system for rigid endoscopes, having a central rod lens and two outer rod lenses, which are symmetrical in respect to one another in relation to a...
7583435 Tube for a microscope  
The application relates to an ergonomic tube for a microscope. A binocular head is provided on the tube. A deflection element is provided in the tube and a deflection mirror is assigned to the...
7545586 Wide angle lens system having a distorted intermediate image  
The wide angle lens system described herein allows projection devices (e.g., rear projection display devices) to be more compact than would otherwise be possible. The lens system includes a wide...
7530945 Endoscope and method for assembling components of an optical system  
An endoscope has a tubular shaft whose interior contains components, in particular lenses, spacers, diaphragms, prisms and filters of an optical system, said components being at least partially...
7522337 Compact multi-entrance-pupil imaging optical system  
An imaging optical system includes a subtelescope array, with at least two subtelescopes, each having a single entrance pupil and an exit light beam. Each subtelescope has an optical pointing axis,...
7515335 Endoscope relay lens  
A relay set ( 4, 4 ′) for the optical system of a rigid endoscope, the optical system including an objective ( 1 ) at the distal end, an ocular ( 5 ) at the proximal end and between them a relay...
7502182 Objective lens for endoscope  
An endoscope objective lens is provided and has a front-group divergent lens system, an aperture stop, and a rear-group convergent lens system in this order from the object side. The back focal...
7466895 Method of displaying, selecting and magnifying multiple micro-images, and display device and portable terminal using the same  
A method of displaying, selecting and magnifying multiple micro-images, and a display device and portable terminal using the method. A display device for displaying, selecting and magnifying...
7369303 Dual band lens system incorporating molded chalcogenide  
An image forming system and lens system including at least one molded chalcogenide lens element and configured to simultaneously image light at the medium wave infrared region (MWIR) and the long...
7324282 Apparatus, system and method for applying optical gradient forces  
The present invention relates to a system of applying optical gradient forces to form a plurality of optical traps to manipulate small particles. The system includes a light source for generating a...
7289277 Relay lens used in an illumination system of a lithography system  
A relay lens is provided in an illumination system for use in microlithography. The relay lens can be used to uniformly illuminate a field at a reticle by telecentric light beams with variable...
7241027 Illumination system providing light of Gaussian distribution, projection system, and method of forming color image  
An illumination system includes a light source, first and second cylindrical lens arrays, and a relay lens. The first cylindrical lens array includes a plurality of cylindrical lens cells which...
7230756 Integrated optical system for endoscopes and the like  
Optical systems for endoscopes, borescopes, dental scopes, and the like which are characterized by having three groups of lenses of positive optical power and an external entrance pupil. Typically,...
7227688 Apparatus for applying optical gradient forces  
An apparatus and method for manipulating small dielectric particles. The apparatus and method involves use of a diffractive optical element which receives a laser beam and forms a plurality of...
7224535 Zoom lens system  
A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a...
7177078 Projection type display apparatus  
A projection type display apparatus, wherein a common case can be used for housing an illumination optical system even when a shape of an image display element and an optical path length in a prism...
7160248 Optical device for viewing of cavernous and/or inaccessible spaces  
An optical device for viewing an object at a range of working distances. The device comprises a slender tube of a certain length and having a distal end and a proximal end. The device further...
7119955 Multi-aperture high-fill factor telescope  
A multi-aperture high-fill-factor telescope is provided. Specifically a multi-aperture high-fill-factor telescope is provided that includes a plurality of sub-aperture telescopes, each sub-aperture...
7099078 Borescope with simultaneous video and direct viewing  
An assembly is described for connection to a borescope to simultaneously provide a virtual image for direct viewing by an observer and a video image for viewing on a display. The assembly ( 10 )...
7092150 Optically compensated infrared zoom lens having a single movable lens carriage and no aspheric lenses  
An infrared zoom lens having no aspheric lens elements comprises, six distinct lens groups each having two or less spherical lens elements. The first group has a positive power, the second group...
7085045 Stereoscopic microscope  
A stereoscopic microscope is disclosed that includes an objective lens which substantially collimates light from an object of interest, left and right afocal zooming systems, left and right afocal...
RE39024 Exposure apparatus having catadioptric projection optical system  
To use a beam splitting optical system smaller than the conventional beam splitters and to set a longer optical path between a concave, reflective mirror and an image plant. A light beam from an...
7009764 Multi-aperture high fill factor telescope  
A space-based multi-aperture telescope is capable of achieving high fill factors, on the order of at least 50% and more preferably at least 80%. High fill factors can be achieved according to the...
7002741 Image transmission system for endoscopes and method of producing a rod lens  
The invention relates to an image transmission system for endoscopes and similar viewing tubes with at least one rod lens and at least one additional lens system. In order to produce an image...
6943946 Multiple aperture imaging system  
A multiple aperture imaging system, that includes: a plurality of imaging elements for capturing light; an optical relay assembly for phasing the captured light; a means for diverting the captured...
6853484 Relay optical system  
The relay optical system comprises, in order from the intermediate image position I toward the the exit pupil EXP side, a first unit G 1 having a negative refracting power and a second unit G 2 ...
6735019 Zoom eyepiece optical system  
A zoom eyepiece optical system, which is used with an objective optical system, includes a first lens group which is stationary with respect to the objective optical system, a negative second lens...
6735014 Aberration correcting optical relay for optical system, in particular mirror telescope  
An aberration-correcting optical relay for an optical system. The relay comprises front and rear converging optical units together with a correcting meniscus or two correcting meniscuses placed...
6624940 Method for applying optical gradient forces and moving material  
An apparatus and method for manipulating small dielectric particles. The apparatus and method involves use of a diffractive optical element which receives a laser beam and forms a plurality of...
6493138 Microscopic optical system  
A microscopic optical system which is used in an ultraviolet range of short wavelengths and has good off-axis performance, such as chromatic aberration of magnification. The optical system has an...
6471640 Endoscope optics with device counteracting lens-element shifting  
An endoscopic optics fitted with lens elements and securing device to secure the element positions against shifting in case of being impacted. The securing device is a circumferentially expansible...
6392820 Optical system of a composite camera  
An optical system of a composite camera including a first image-forming optical system, a second image-forming optical system, and a condenser lens group, which includes two or more lens elements,...
6366383 Relay optics for a deflection system, and a deflection system  
In relay optics for a deflection system with two scanning devices, each of which changes the angle of a light bundle from a location predetermined separately for each scanning device in a...
6366400 Projection image display optical system  
An optical system provided with a relay optical system forming an intermediate image of a primary image and an eyepiece optical system projecting an enlarged virtual image of the intermediate image...
6323998 Microscope apparatus  
A microscope apparatus includes an objective lens, an imaging lens, a pupil relay lens, and an image relay lens. The primary image of a specimen is formed between the imaging lens and the pupil...
6212334 Supplementary optical system for a camera  
A supplementary optical system for a camera which is inserted between a photographic lens and a camera housing and which comprises a relay system for projecting an image of the photographic lens...
6208462 Conversion optical system  
A conversion optical system is interposed between an optical system for transmitting, at least once, an image formed by an objective lens and a final image transmitted and obtained by the optical...
6188516 Wide-view telescopic optical system  
A lightweight and small-sized high-power monocular, or binoculars, including a wide-view telescopic optical system to have a wide view and a bright field of view is provided. The wide-view...
6163401 Optical system for non-flexible endoscopes  
A relay lens system used in an observation optical system which is to be disposed in an insert section is disclosed. The relay lens system comprises a plurality of relay lens units at least one of...
6163643 Micro-mechanical variable optical attenuator  
An electronically variable optical attenuator includes focusing optics that enable the use of a micro-mechanical actuation device with minute movement properties. The actuation device controls the...
6157484 Confocal microscope and relay optical system for use in confocal microscope and the like  
A confocal unit that can be removably attached to a microscope body to construct a confocal microscope that is compact and suffers a minimal loss of brightness. A relay optical system for use in...
6141159 Viewfinder optical system  
A viewfinder optical system includes an objective optical system for forming an image of an object, and an eye-piece optical system for converting rays of light from the image into substantially...
6088157 Relay lens for an endoscope  
A relay lens for an endoscope or optical instrument is shown. The relay lens includes a first rod-type lens element having a first end and a second end. The first end defines a substantially...
6075646 Observation optical apparatus  
An observation optical apparatus includes an objective unit; the first path splitting member placed on the optical axis of the objective unit for splitting an optical path from the objective unit...
6069736 Anti-vibration lens attachment  
An anti-vibration lens attachment which is detachably attached to and between a photographing lens and a camera body includes an anti-vibration lens system having at least one correction lens group...
6049422 Optical system for non-flexible endoscopes  
An optical system for non-flexible endoscopes comprising an illumination optical system and an observation optical system which are disposed in an insert section, wherein the observation optical...
6046857 Head mounted image display apparatus  
This invention relates to a head mounted image display apparatus to be mounted on a head portion of an observer. The apparatus is constructed by image generation means for displaying an image by...
5999344 Endoscopic telescope with rod lenses spaced by spacer tubes  
An endoscopic telescope has a system tube in which spacer tubes are alternatingly stacked with rod lenses each having an external diameter smaller than the inside diameter of the system tube and...
5959772 Relay variable power optical system and a microscope equipped with the optical system  
The present invention provides a relay variable power optical system in a simple structure which is capable of suppressing a change of the position of the exit pupil on varying the power. To this...
Matches 1 - 50 out of 146 1 2 3 >