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Patent Searching and Data


Matches 1 - 50 out of 17,082

Document Document Title
WO/2019/208366A1
Provided are an optical thin film having high light transmissibility and high durability, an optical element and an optical system equipped with the optical thin film, and a production method for the optical thin film. The optical thin f...  
WO/2019/188070A1
This zoom lens fulfils a prescribed conditional formula and comprises, in order from the object side to the image surface side, a first lens group having a positive refractive power, a second lens group having a negative refractive power...  
WO/2019/180984A1
The present invention provides an endoscopic objective optical system which has a long back focus, allows focusing, and suitably corrects aberrations. The endoscopic objective optical system includes in order from an object: a first lens...  
WO/2019/157289A3
The objective lens has multiple focal lengths within a focal length interval and a relatively small focal-length ratio in a range from 1.05 to 2.75, and a travel-to-focal-length ratio in a range from 0.5 to 0.4. The objective lens has th...  
WO/2019/172694A1
The present invention relates to a meniscus Cassegrain lens and, more particularly, as an objective lens that can be used for a telescope, to a meniscus Cassegrain lens comprising a solid lens of which all of an incident plane, a primary...  
WO/2019/165005A1
A cam for applying movement to a lens system. The cam may include a body configured to couple to the lens system. The body may have slots that are configured to receive lens followers. The slots may extend in directions that are converge...  
WO/2019/163744A1
A variable power optical system for an endoscope is provided with, in order from an object, a first lens group having a negative power and a second lens group having a positive power and capable of moving along the optical axis. The firs...  
WO/2019/157474A1
Apparatuses, systems, and methods for producing non-rotationally symmetric optical aberrations. Such aberrations may be created by a removable attachment that may be attached to another lens, such as a spherical lens. Aberrations that ap...  
WO/2019/157289A2
The objective lens has multiple focal lengths within a focal length interval and a relatively small focal-length ratio in a range from 1.05 to 2.75, and a travel-to-focal-length ratio in a range from 0.5 to 0.4. The objective lens has th...  
WO/2019/142761A1
In order to achieve a zoom lens with chromatic aberration sufficiently corrected in the wavelength region from visible light to near infrared light while maintaining compactness and a high zoom ratio, this zoom lens includes, arranged in...  
WO/2019/142827A1
In order to obtain a zoom lens in which chromatic aberration is adequately corrected in a wavelength region from visible light to near-infrared light despite the zoom lens being small-sized and having a high zoom ratio, the present inven...  
WO/2019/131052A1
This projection lens system projects a reduction-side image on an enlargement side of an image projection device. The projection lens system is provided with ten or more single lenses constituting a zoom lens including a plurality of mov...  
WO/2019/131992A1
Provided are an optical system having superior optical performance, optical equipment having said optical system, and an optical system manufacturing method. This optical system OL has an insertable magnification conversion optical group...  
WO/2019/131382A1
The purpose of the present invention is to provide a coded-aperture image capture device which has a refocus function and is capable of changing angle of view. An image capture device according to a first aspect of the present invention ...  
WO/2019/131191A1
The purpose of the present invention is to provide: a wide conversion lens with which images having differing angles of view are obtained with good image quality when the wide conversion lens is mounted on an image capture device; and an...  
WO/2019/131993A1
The present invention provides a variable power optical system having excellent optical performance, optical equipment, and a method for manufacturing the variable power optical system. The variable power optical system ZL comprises (in ...  
WO/2019/124082A1
This projection lens system which projects an image of the reduction side to the magnification side is provided with: a diaphragm; a plurality of positive lenses; and a plurality of negative lenses. A first positive lens that is closest ...  
WO/2019/124083A1
This projection lens system projects an image at the reduction side to the magnification side. The projection lens system is provided with: a plurality of negative lenses; and a diaphragm. Among the plurality of negative lenses in the pr...  
WO/2019/124081A1
This projection lens system projects an image on the reduction side on which back glass is disposed to the magnification side in an image projection device. In the projection lens system, in a surface on the reduction side or a surface o...  
WO/2019/116566A1
An optical system (LS) includes an aperture stop (S), and a negative lens (L32) that is disposed farther on the image side than the aperture stop (S) is and that satisfies the following conditional expressions: ndN2+(0.01425×νdN2) < 2....  
WO/2019/116567A1
An optical system (LS) includes lenses (L22, L33) satisfying the following conditional expressions: ndLZ + (0.01425 × νdLZ) < 2.12; and νdLZ < 35.0, where ndLZ signifies the refractive index of the lenses at the d line, and νdLZ sign...  
WO/2019/116565A1
An optical system (LS) includes an aperture stop (S), and a positive lens (L22) that is disposed farther on the image side than the aperture stop (S) is and that satisfies the following conditional expressions: ndP2+(0.01425×νdP2) < 2....  
WO/2019/116563A1
An optical system (LS) includes an aperture stop (S), and a positive lens (L13) that is disposed farther on the object side than the aperture stop (S) is and that satisfies the following conditional expressions: ndP1+(0.01425×νdP1) < 2...  
WO/2019/116569A1
An optical system (LS) includes lenses (L22, L33) satisfying the following conditional expressions: ndLZ + (0.01425 × νdLZ) < 2.12; and 0.702 < θgFLZ + (0.00316 × νdLZ), where ndLZ signifies the refractive index of the lenses at the...  
WO/2019/116564A1
An optical system (LS) includes an aperture stop (S), and a negative lens (L15) that is disposed farther on the object side than the aperture stop (S) is and satisfies the following conditional expressions: ndN1+(0.01425×νdN1) < 2.12; ...  
WO/2019/116568A1
An optical system (LS) includes lenses (L22, L33) satisfying the following conditional expressions: νdLZ < 35.0; and 0.702 < θgFLZ+(0.00316×νdLZ), where νdLZ is the Abbe number of the lenses using the d-line as a reference, and θgF...  
WO/2019/105259A1
Provided is a lens system having large image size, small F value, and short overall length. The lens system is sequentially provided with a positive first set, an aperture diaphragm, a positive second set, and a third set from an object ...  
WO/2019/097715A1
This variable magnification optical system comprises multiple lens groups, and the intervals between the lens groups change during variable magnification. The multiple lens groups include an object-side focusing lens group which moves du...  
WO/2019/097719A1
This variable magnification optical system comprises multiple lens groups, and the intervals between the lens groups change during variable magnification. The multiple lens groups include an object-side focusing lens group which moves du...  
WO/2019/097717A1
This variable magnification optical system comprises multiple lens groups, and the intervals between the lens groups change during variable magnification. The multiple lens groups include an object-side focusing lens group which moves du...  
WO/2019/097718A1
This variable magnification optical system comprises multiple lens groups, and the intervals between the lens groups change during variable magnification. The multiple lens groups include an object-side focusing lens group which moves du...  
WO/2019/097669A1
A variable magnification optical system comprises, in order from an object, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive po...  
WO/2019/097716A1
This variable magnification optical system comprises, from the object side, a first lens group and multiple lens groups, and, during variable magnification, the interval between the first lens group and the multiple lens groups changes a...  
WO/2019/082641A1
Provided are: a zoom lens having a small size, a wide image angle, and a high performance; and an imaging device provided with the zoom lens. The zoom lens is provided with a positive first lens group, a negative second lens group, a pos...  
WO/2019/082723A1
This zoom lens system comprises, in order, from an object side toward an image side: a first lens group (G1) having a positive power; a second lens group (G2) having a negative power; a third lens group (G3) having a positive power; a fo...  
WO/2019/078221A1
This variable-focal-distance lens system is constituted from, in order from an object side to an image surface side, a first lens unit constituted from a lens having a rotationally symmetrical shape, a second lens unit comprising a first...  
WO/2019/078222A1
This variable-focal-distance lens system is constituted from, in order from an object side to an image surface side, a first lens unit comprising a first lens element in which at least one lens surface thereof is configured as a free-for...  
WO/2019/067916A1
A method and apparatus for capturing an image of at least one object appearing in a field of view (FOV). A housing has an image sensor and a base lens assembly fixedly mounted relative thereto. A moveable lens assembly is movably mounted...  
WO/2019/064233A1
The disclosure provides for a display apparatus for a vehicle. The display apparatus includes a display screen configured to emit images in an emission direction; a mirror apparatus configured to reflect the images from the display scree...  
WO/2019/058825A1
Provided are: an antireflection film having high durability; an optical element provided with the antireflection film; and an optical system provided with the optical element. An antireflection film provided with an intermediate layer, a...  
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...  

Matches 1 - 50 out of 17,082