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WO/2009/157360A1 |
Provided is a relay zoom system (ZL) comprised of a first lens group (G1) which has positive refractive power and a second lens group (G2) which has positive refractive power, in order from the subject side. Furthermore, in the relay zoo...
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WO/2009/142090A1 |
Provided are a variable magnification optical system for making it possible to properly set a variable magnification ratio of each lens group by properly setting a variable magnification ratio of a fifth lens group, an optical apparatus ...
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WO/2009/143282A1 |
A method to reduce ocular chromatic aberrations using a lens or other spatial structure to selectively band-pass filter transmitted light of certain wavelengths. The ocular lens overcomes the negative effects of the wavelength band pass ...
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WO/2009/139253A1 |
A variable power optical system (ZL) comprises, sequentially from the object side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) having a ...
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WO/2009/133665A1 |
The zoom lens is a retractable bent-type zoom lens capable of providing a high zoom ratio and a reduced thickness, and capable of retracting into a camera body with an easily-configured mechanism. The zoom lens includes in order from an ...
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WO/2009/133732A1 |
Provided is a variable power optical system capable of reducing an angle of incidence to an imaging element while achieving the compactification. The variable power optical system is characterized in that the variable power optical syste...
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WO/2009/133736A1 |
An image forming optical system, which is provided from an object side with a first lens group (G1) that is fixed at the time of the change of a magnification and includes a reflection optical element for folding an optical path, a secon...
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WO/2009/131243A1 |
A stereoscopic microscope (100) provided with a pair of right and left observation optical systems (I) and a pair of right and left illumination optical systems (S) is characterized in that the observation optical systems (I) have a vari...
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WO/2009/125823A1 |
Provided is a zoom lens system including, in order from an object side to an image side: a first lens unit having a positive optical power; a second lens unit having a negative optical power; a third lens unit having a positive optical p...
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WO/2009/117939A1 |
A dual-purpose optical lens module for projection and image pickup comprises a digital micromirror device (DMD) chip connected with a projection lamp, a zoom lens facing a projection screen, and a photoelectric signal collection module. ...
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WO/2009/110311A1 |
In an imaging lens, performance deterioration due to production error is suppressed, and the imaging lens is manufactured with excellent productivity. At least two lens groups, which are included in the imaging lens and have a high axial...
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WO/2009/109562A1 |
The invention relates to an auxiliary optical system (12) for use in video cameras. The auxiliary optical system comprises a recording lens (14), which is disposed on the entrance side on a housing (11) and preferably is configured as an...
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WO/2009/096536A1 |
A variable magnification optical system (ZL) is provided in order from the object side with a first lens group (G1) with a positive refractive power, a second lens group (G2) with a negative refractive power, a third lens group (G3) with...
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WO/2009/096157A1 |
A zoom lens system has a plurality of lens groups comprised of one or more lens elements, wherein a first lens group is provided with two of the lens elements with negative power in order from the object side to the image side, a second ...
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WO/2009/096154A1 |
A zoom lens system has a plurality of lens groups comprised of one or more lens elements, wherein a first lens group is provided with two of the lens elements with negative power in order from the object side to the image side, a second ...
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WO/2009/096151A1 |
A zoom lens system has a plurality of lens groups comprised of one or more lens elements, wherein a first lens group is provided with two of the lens elements with negative power in order from the object side to the image side, a second ...
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WO/2009/096153A1 |
A zoom lens system is provided with multiple lens groups, each of which is comprised of one or more lens elements. The lens group consists of a first lens group of two lenses with negative power, a second lens group with positive power, ...
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WO/2009/096156A1 |
A zoom lens system has a plurality of lens groups comprised of one or more lens elements, wherein a first lens group is provided with two of the lens elements with negative power in order from the object side to the image side, a second ...
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WO/2009/096155A1 |
A zoom lens system has a plurality of lens groups comprised of one or more lens elements, wherein a first lens group is provided with two of the lens elements with negative power in order from the object side to the image side, a second ...
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WO/2009/096152A1 |
A zoom lens system has a plurality of lens groups comprised of one or more lens elements, wherein a first lens group is provided with two of the lens elements with negative power in order from the object side to the image side, a second ...
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WO/2009/073387A1 |
A zoom lens (60) of the telephoto type comprising: an axially movable lens group (G2); an axially stationary lens group comprising one liquid lens cell (LC) comprising a first and a second contacting liquids, a contacting optical surface...
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WO/2009/067524A2 |
An electronic optical zoom system (100) includes a first lens assembly (101) and a second lens assembly (102). The first lens assembly (101) and the second lens assembly (102) may be adjacently disposed or concentrically disposed. The fi...
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WO/2009/063766A1 |
A variable power optical system (1) comprises a first lens group (11) having a negative optical power, a second lens group (12) having a positive optical power, and a third lens group (13). The first to third lens groups are arranged in ...
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WO/2009/048725A1 |
A high performance zoom lens system suitable for use with a camera is disclosed. The zoom lens systems employs liquid optics (LC) and a movable lens group (G2) to provide optical performance over the zoom focal length range at focus dist...
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WO/2009/044664A1 |
An image capturing apparatus includes a zoom lens, a solid-state image sensor which photoelectrically converts an image formed by the zoom lens, a processing unit which processes image data obtained by the solid-state image sensor, and a...
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WO/2009/044836A1 |
A zoom eyepiece system (EL) comprises, in order from an eye point (EP) side, a first lens group (G1) having positive refractive power, a second lens group (G2) having positive refractive power, and a third lens group (G3) having negative...
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WO/2009/033350A1 |
A far imaging module used in a mobile phone is provided inside the mobile phone and includes: a lens base (l),a ens group (2), which comprises lens and mounted on the lens base (l),a light-sensitive chip (5),which responds to the light f...
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WO/2009/034713A1 |
A zoom lens system has, in order from the object side to the image side, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, and a fourth lens group having positi...
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WO/2009/034712A1 |
A zoom lens system comprises, in order from the object side to the image side, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, and a fourth lens group having ...
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WO/2009/031549A1 |
A relay variable magnification optical system is provided with a variable magnification optical system that receives light from a primary image to carry out the variation in the magnification of a secondary image, and a rear lens group t...
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WO/2009/015243A1 |
A compact image taking lens system with a lens-surfaced prism of the present invention comprises a prism, an aperture stop, a first lens element, a second lens element, reflecting mirror surface, and image surface, optionally an infrared...
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WO/2009/012789A1 |
The present invention provides an optical device comprising a pair of specifically designed plate-like diffractive optical elements successively arranged in parallel to each other.,. Placing the two diffractive optical elements in succes...
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WO/2009/013900A1 |
A zoom lens system includes a first lens group of positive power, a second lens group of negative power, a third lens group of positive power, and a fourth lens group of positive power arranged from the object side where the first throug...
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WO/2008/145735A2 |
The invention relates to an infrared camera comprising an optical zoom, including: - a matrix detector (5) comprising a cooled screen, a matrix able to detect infrared radiation; - a module (L1-L3) for modifying the focal length of the c...
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WO2007093378A9 |
The invention relates to an optical system for the projection of digital image data comprising a fixed focal length lens and a pivotable focal length extender. The principal field of application of the invention is digital cinema project...
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WO/2008/110189A1 |
Optical assembly consisting of at least one lens holder and a stator, wherein the lens holder (1) is mounted on the stator (2) via a roller bearing linear guide with roller body guide tracks (A, B, C, D) constructed on the lens holder (1...
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WO/2008/108152A1 |
It is an object to provide a variable magnification optical system that is possible to comply with an image picking-up element with high pixel density, reduces a load imposed on a variable magnification driving device with a sufficiently...
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WO/2008/105248A1 |
It is an object to provide a zoom lens with a small size and an excellent optical performance, configured to satisfactorily correct a color aberration in a far distance photographing region. In the following order from the object side, t...
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WO/2008/105249A1 |
An anti-vibration telescope having an increased range of variation of magnification achieved without increasing the size of the telescope. The anti-vibration telescope includes an objective lens (10) having a spatially fixed first lens g...
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WO/2008/102894A1 |
It is an object to provide a variable magnification afocal optical system that uses a variable focal distance element, outputs a substantially afocal projection light ray from the optical system, satisfactorily corrects an aberration, an...
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WO/2008/103851A1 |
A lens system for forming a final image of an object, said system having an object side and an image side and forming a first intermediate real image between the object and final image, said system comprising a moving lens group containi...
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WO/2008/079403A2 |
The present invention is a compact lens system for use as a wide-field photographic objective with small format digital image sensors having a pixel dimension less than 0.010 mm. The f-number of the lens system is 2.9740, and the effecti...
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WO/2008/076399A2 |
An apparatus for use in a lens assembly, the apparatus comprising a deformable lens element having an axis and a deformable surface, at least part of which transmits image forming ligth rays, and a force imparting structural member dispo...
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WO/2008/075566A1 |
A zooming optical system in which the weight of lenses of a movable lens group is decreased to reduce a load on a lens drive device and that is compact. The zooming optical system has, in order from the object side, first to third lens g...
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WO/2008/075539A1 |
The present invention sufficiently corrects various aberrations of color, astigmatism, and the like while achieving a super compact structure device. For that purpose, a variable magnification optical system includes a first lens group p...
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WO/2008/075157A2 |
An optical zoom system has two prisms to form an optical path loop for increasing the optical pathlength in a small device. The optical path loop is effectively introduced into the light path of the image sensor. The prisms are arranged ...
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WO/2008/072466A1 |
The present invention sufficiently corrects various aberrations of color, astigmatism, and the like while achieving a super compact structure device. For that purpose, a variable magnification optical system has first through fourth lens...
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WO/2008/067148A1 |
A lens barren assembly for a camera is disclosed. The lens barrel assembly comprises a lens barrel, at least one optical element disposed within the lens barrel, and an actuator configured to move the optical element. The actuator can be...
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WO/2008/056512A1 |
When focal lengths are discretely set, with respect to a focal length (fr) at the position where the moving direction of a second lens group (G2) or a correction group is inverted, the individual zoom positions are so set that the value ...
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WO/2008/033467A2 |
Systems for positioning a functional element, such as an optical lens, include a housing, a primary guide pin coupled to the housing, a functional group that includes the functional element, and a vibrational actuator assembly. The funct...
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