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Matches 1 - 50 out of 16,756

Document Document Title
WO/2019/049373A1
The present invention has, in order from the object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a rear lens gro...  
WO/2019/049374A1
The present invention has, in order from the object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a rear lens gro...  
WO/2019/049371A1
The present invention has, in order from the object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a rear lens gro...  
WO/2019/049370A1
The present invention has, in order from the object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a rear lens gro...  
WO/2019/049372A1
The present invention has, in order from the object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a rear lens gro...  
WO/2019/042452A1
An imaging device includes a lens system (100). The lens system (100) may include a first lens group (G1), a second lens group (G2), a third lens group (G3), a fourth lens group (G4), and a fifth lens group (G5) in sequence from an objec...  
WO/2019/038386A1
The invention relates to a device by means of which the magnification stages, in particular also of a magnification selector based on Galilean telescope systems, can be adjusted by a motor. In the device according to the invention, the m...  
WO/2019/030129A1
The invention relates to an optical zoom device (1) Optical zoom device (1), comprising a first lens assembly (2), and a second lens assembly (3) following the first lens assembly (2) in the direction of an optical axis (A) of the optica...  
WO/2019/024536A1
Provided are a rotating zoom lens system and a method for realizing the same. The rotating zoom lens system comprises a first lens assembly (1), a second lens assembly (2), and a liquid crystal module (3). An optical axis of the first le...  
WO/2019/024798A1
Disclosed is a two-group-type zoom lens, comprising: a first lens group (G1) having negative focal power, an aperture diaphragm (S) and a second lens group (G2) having positive focal power, these being sequentially and coaxially arranged...  
WO/2019/017511A1
A surgical endoscope having an image sensor embedded therein is disclosed. One embodiment of the present invention provides a surgical endoscope comprising: a main body having an operational channel, which is formed therein and allows a ...  
WO/2018/236770A1
Techniques are disclosed for magnification compensation and/or beam steering in optical systems. An optical system may include a lens system to receive first radiation associated with an object and direct second radiation associated with...  
WO/2018/233195A1
Provided is an optical imaging system, along an optical axis and from an object side to an image side, sequentially comprising: a first lens (L1), a second lens (L2), a third lens (L3) and a fourth lens (L4), wherein the first lens has a...  
WO/2018/235881A1
A variable-power optical system that comprises, in order from an object side, a first lens group G1 that has negative refractive power, a second lens group (G2) that has positive refractive power, and a rear group lens group (GR). The re...  
WO/2018/225842A1
Provided is a zoom lens that is small-sized and that has a relatively large zoom ratio. The present invention essentially comprises, in order from the object side, a first lens group Gr1 fixed on an optical axis AX and having a positive ...  
WO/2018/220267A1
The invention relates to personal display devices and in particular an eyepiece therefor. The eyepiece is adapted for projecting an image from an image plane (14) on one side of the eyepiece through an exit pupil (10) on the opposite sid...  
WO/2018/218889A1
An optical imaging system, comprising: in sequence from an object side to an image side along the optical axis, a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), and a sev...  
WO/2018/218002A1
Provided herein is technology relating to telescopic optics and particularly, but not exclusively, to devices and methods for moving a lens in a variable power optical device zoom system.  
WO/2018/216310A1
An optical element according to the present invention has an antireflective film on an optical element substrate. The antireflective film has a structure wherein low-refractive index films made of SiO2 and one or more types of high-refra...  
WO/2018/200309A3
A stereoscopic visualization camera and platform are disclosed. An example stereoscopic visualization camera includes a first plurality of lenses positioned along a first optical path and a first image sensor to record a first image stre...  
WO/2018/200309A2
A stereoscopic visualization camera and platform are disclosed. An example stereoscopic visualization camera includes a first plurality of lenses positioned along a first optical path and a first image sensor to record a first image stre...  
WO/2018/198387A1
Provided is an optical system for a microscope with which it is possible to achieve adequate contrast and resolution in an observation image even when a 1-micron-order specimen is disposed so as to be in contact with or adjacent to the s...  
WO/2018/194037A1
The present invention provides a lightweight zoom lens capable of high magnification and excellent optical performance and an imaging device equipped with the zoom lens. The zoom lens includes, in order from an object, a first positive l...  
WO/2018/185870A1
The present invention is capable of reducing the weight of a focusing lens group by satisfying a prescribed conditional formula and being provided with, in order from the object side, a first lens group having a negative refractive power...  
WO/2018/185867A1
The present invention is capable of reducing the weight of a focusing lens group by satisfying a prescribed conditional formula and being provided with, in order from the object side, a first lens group having a negative refractive power...  
WO/2018/185868A1
The present invention is capable of reducing the weight of a focusing lens group by satisfying a prescribed conditional formula and being provided with, in order from the object side, a first lens group having a negative refractive power...  
WO/2018/185869A1
The present invention is capable of reducing the weight of a focusing lens group by satisfying a prescribed conditional formula and being provided with, in order from the object side, a first lens group having a negative refractive power...  
WO/2018/185955A1
The present invention addresses the problem of providing a variable-magnification optical system and an image pickup device provided with the variable-magnification optical system, which enable the realization of a high-resolution observ...  
WO/2018/182952A1
A zoom apparatus for a camera of a game system is disclosed. The zoom apparatus has a body structure formed to fit over the camera. The zoom apparatus includes a zoom lens disposed within the body structure so as to be positioned in fron...  
WO/2018/180359A1
[Problem] To provide an optical system having excellent imaging performance, an optical device, and a method for manufacturing an optical system. [Solution] An optical system OL for use in an optical device such as a camera 1 includes a ...  
WO/2018/179462A1
Provided is a microscope objective optical system that makes it possible to sufficiently suppress aberrations in an observed image even in the case where a sample on the order of one micron is disposed in contact with or adjacent to the ...  
WO/2018/179825A1
Provided are: an optical thin film which is provided with a flat ultra-thin silver-containing metal layer; a method for producing this optical thin film; an optical element which is provided with this optical thin film; and an optical sy...  
WO/2018/168214A1
The present invention provides an imaging device capable of capturing a high-quality image by a compact configuration, a signal processing method for the imaging device and a signal processing program for the imaging device. An imaging l...  
WO/2018/160989A1
An imaging system for monitoring an observation region is disclosed, wherein the imaging system comprises a plurality of cameras having diverse focal lengths, where the plurality of cameras is arranged such that they can collectively obs...  
WO/2018/155404A1
The present invention provides a lens, a zoom lens, and an imaging lens, the lens enabling elimination of an annular blur without causing a decrease in resolution or an increase in processing man-hours. A lens 1 has random recesses and p...  
WO/2018/150982A1
Provided are: a projection zoom lens which exhibits favorable optical performance and favorably corrects chromatic aberration across a broad wavelength region, while maintaining telecentricity on the reduction side; and a projection-type...  
WO/2018/150981A1
Provided are: a high-performance projection zoom lens which ensures a high zoom ratio and a high peripheral light amount ratio, while exhibiting telecentricity on the reduction side, a small F number, and compactness; and a projection-ty...  
WO/2018/147083A1
The present invention provides a high-performance zoom lens that allows for a zoom function to be added thereto while suppressing spherical aberration and axial chromatic aberration, and an imaging device equipped with the zoom lens. The...  
WO/2018/141560A1
The invention relates firstly to a method for determining a mechanical deviation on a displacement path of an optical zoom lens (03), in particular on a displacement path of an optical zoom lens (03) of a microscope. The optical zoom len...  
WO/2018/139160A1
This zoom lens is configured from a first lens group having a negative refractive power, a second lens group having a positive refractive power, a third lens group having a positive refractive power, a fourth lens group having a positive...  
WO/2018/140697A1
A finite conjugate optical assembly, comprising a lens with a core zoom module that includes five optical groups that are configured to provide at least a 5.5: 1 a focal zoom. A lens attachment module and rear adapter module may be dispo...  
WO/2018/123672A1
Provided is an imaging optical system in which the gap between lens groups is changed when zooming and that is provided with, among lens groups having negative power, a lens group Gm on the side closest to the object. The lens group Gm i...  
WO/2018/114220A1
The invention relates to a radial objective arrangement (100) for generating an optical image of a sensing range. The radial objective arrangement (100) comprises a central light-deflecting unit (120), which is designed and arranged to r...  
WO/2018/105012A1
This zoom lens is provided with, sequentially from the object side: a first lens group that has negative refractive power; a second lens group that has positive refractive power; and a third lens group that has positive refractive power....  
WO/2018/102515A1
A device is provided that includes a heat conductive structure; a heat transfer structure for extracting heat from the heat conductive structure by means of a boundary layer; a motor for rotating the heat transfer structure relative to t...  
WO/2018/097287A1
The present invention provides an imaging optical system having an angle of view of 180° or more and having sufficiently small changes in image formation performance and angle of view between different medium environments although being...  
WO/2018/096934A1
The purpose of the present invention is to provide a projection optical system made up of seven lens groups capable of securing a long back focus, and a projector incorporating the projection optical system. The seven lens groups constit...  
WO/2018/092293A1
This variable magnification optical system (ZL) comprises, arranged in order from the object side, a first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G...  
WO/2018/092296A1
This variable magnification optical system comprises, in order from the object side, a front lens group (GFS) having positive refractive power, an M1 lens group (GM1) having negative refractive power, an M2 lens group (GM2) having positi...  
WO/2018/092297A1
This variable magnification optical system comprises, in order from the object side, a front lens group (GFS) having positive refractive power, an M1 lens group (GM1) having negative refractive power, an M2 lens group (GM2) having positi...  

Matches 1 - 50 out of 16,756