| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359656000 | Microscope objective | 31 |
| 20090284841 | MICROSCOPE OBJCTIVE - The invention relates to a microscope objective with preferably anti-symmetric lenses or lens groups with an optical magnification of −100 and a visual field factor of 20. | 11-19-2009 |
| 20100027132 | OBJECTIVE LENS AND OBJECTIVE LENS ADAPTER - Especially when observing brain tissue, damage inflicted on the brain tissue is reduced, and light from the brain tissue is collected to the utmost extent. The invention provides an objective lens in which a tip transparent member that is made to contact an observation object is formed to gradually narrow towards an end face thereof, a diameter d of the end face being defined by the following expression, and a maximum diameter D being 3 mm or less: | 02-04-2010 |
| 20100182702 | Immersion microscope objective lens - An immersion microscope objective lens of the present invention has: in order from an object, a first lens group G | 07-22-2010 |
| 20100246024 | LENS UNIT - A lens unit is equipped with a lens, through which light from an object enters, and a lens barrel for holding the lens. An optical extending member is employed when observing a focal image of the lens with a microscope. A receiving portion having a receiving surface, for receiving a front end facet of the optical path extending member within the lens barrel that faces toward the lens, is formed at a portion of the lens barrel. A mounting portion positioned further rearward from a rear end facet of the optical path extending member, having a guide insertion aperture that extends in a direction perpendicular to the receiving surface and a mounting surface that extends in a direction parallel to the receiving surface is formed at the periphery of the guide insertion aperture is formed at a portion of the lens barrel. | 09-30-2010 |
| 20110043924 | IMMERSION MICROSCOPE OBJECTIVE AND LASER SCANNING MICROSCOPE SYSTEM USING SAME - An immersion microscope objective formed of thirteen or fewer lens elements includes, in order from the object side, first and second lens groups of positive refractive power, a third lens group, a fourth lens group having negative refractive power with its image-side surface being concave, and a fifth lens group having positive refractive power with its object-side surface being concave. The first lens group includes, in order from the object side, a lens component that consists of a lens element of positive refractive power (when computed as being in air) and a meniscus lens element having its concave surface on the object side. Various conditions are satisfied to ensure that images of fluorescence, obtained when the immersion microscope objective is used in a laser scanning microscope that employs multiphoton excitation to observe a specimen, are bright and of high resolution. Various laser scanning microscopes are also disclosed. | 02-24-2011 |
| 20110063735 | IMMERSION MICROSCOPE OBJECTIVE LENS - An immersion microscope object lens including, in order from an object: a first lens group having positive refractive power as a whole, and including a first lens component in which a meniscus lens having a concave surface facing the object and a meniscus lens having a convex surface facing an image are cemented, a second lens component constituted by a single lens having positive refractive power, and a third lens component in which a negative lens and a positive lens are cemented; a second lens group having positive refractive power as a whole, and including a lens component in which a negative lens and a positive lens are cemented; and a third lens group having negative refractive power as a whole. | 03-17-2011 |
| 20120113524 | IMMERSION MICROSCOPE OBJECTIVE - An immersion microscope objective includes, in order from the object side, a first lens group having positive refractive power for converting the luminous flux from an object into convergent luminous flux, a second lens group having the refractive power lower than that of the first lens group, and a third lens group, and satisfies the following conditional expression where NA indicates the numerical aperture on the object side, and d0 indicates a working distance. | 05-10-2012 |
| 20130003187 | HIGH-APERTURE IMMERSION OBJECTIVE - A high-aperture immersion objective, in particular for confocal applications in fluorescence microscopy and for TIRF applications, having three subsystems of lenses and/or lens groups. The design of the subsystems has made it possible for a relatively large object field of 0.25 mm to be present in the case of a high-resolution numerical aperture of 1.49. Furthermore, improved transparency is possible up to a wavelength of 340 nm. | 01-03-2013 |
| 20130010367 | Microscope Objective - Described is a microscope objective ( | 01-10-2013 |
| 20130100537 | PLANAPOCHROMATICALLY-CORRECTED MICROSCOPE OBJECTIVE - The invention relates to a planapochromatically-corrected immersion microscope objective for high-resolution microscopy applications with changing dispersive immersion conditions, having a plurality of lenses and/or subsystems (T | 04-25-2013 |
| 20130194678 | Microscope Objective Lens - A microscope objective lens satisfies the following conditional expressions (1) and (2). | 08-01-2013 |
| 20130271847 | IMMERSION OBJECTIVE AND LIGHT MICROSCOPE - An immersion objective for a light microscope with a first lens group including a first and second lenses, with a third lens arranged behind the first lens group, a first air gap between the first lens group and the third lens, with a second lens group behind the third lens and including fourth, fifth and sixth lenses, a second air gap formed the third lens and the second lens group, and a third lens group behind the second lens group including seventh, eighth and ninth lenses. Tenth, eleventh and twelfth lens are provided behind the third lens group. For correction of aberrations a fourth air gap is formed between the third lens group and the tenth lens, a fifth air gap is formed between the tenth lens and the eleventh lens and a sixth air gap is formed between the eleventh lens and the twelfth lens. | 10-17-2013 |
| 20140146396 | PORTABLE HIGH-POWER MICROSCOPE MAGNIFICATION LENS STRUCTURE - A portable high-power microscope magnification lens structure, mainly comprises: a main body, a high-power lens being disposed on a middle part thereof which is passed through, an adhesive portion being disposed on a rear edge of the main body, LED lamps used for light compensating illumination being disposed around the lens on a front side of the main body; and a rear cover, one side thereof being pivotally connected to the main body, the rear cover being foldable to cover a rear side of the main body, and a hollow space for receiving batteries being disposed on the rear cover and connected to the LED lamps through a switch; whereby, the additional unit can be attached to the lens of a cellular phone, tablet or camera, used to shoot and observe high-power microscopically magnified images, used as the teaching assistance for the observation of organisms or physical objects, and used for the microscopic magnification photography of the details of other industrial product structures, and the pictures taken from the above can be transmitted to an Internet system immediately. | 05-29-2014 |
| 20140247502 | IMMERSION OBJECTIVE FOR MICROSCOPES AND USE THEREOF - A microscope immersion objective having a numerical aperture of NA>1.36 includes a front lens group. The front lens group has a first, object-side optical element having a plane parallel plate and a second optical element having a hyper-hemisphere. The plane parallel plate is wrung together with a planar side of the hyper-hemisphere. | 09-04-2014 |
| 20140320975 | IMMERSION MICROSCOPE OBJECTIVE AND MICROSCOPE USING THE SAME - An immersion microscope objective includes a first lens group having a positive refractive power, a second lens group having a positive refractive power, and a third lens group having a negative refractive power. The first lens group includes a cemented lens of a positive lens and a meniscus lens, and at least one positive single lens, the second lens group changes a divergent light beam to a convergent light beam, and the third lens group includes an object-side lens group and an image-side lens group disposed concave surfaces are face-to-face sandwiching one air space. There is a plurality of lenses having a positive refractive power, and at least one lens having a positive refractive power out of the plurality of lenses having a positive refractive power has a cemented surface which is cemented to a lens having a negative refractive power. | 10-30-2014 |
| 20150109681 | IMMERSION MICROSCOPE OBJECTIVE AND MICROSCOPE USING THE SAME - An immersion microscope objective includes, a first lens group, a second lens group, and a third lens group, wherein the first lens group has a positive refractive power and includes a first cemented lens disposed nearest to the object side in the first lens group, the second lens group includes a second cemented lens, the third lens group includes a lens component that has a positive refractive power and changes a divergent light beam incident from the second lens group to a convergent light beam, two lens components that change the convergent light beam to a divergent light beam, and a lens component that has a positive refractive power and changes the divergent light beam to a parallel light beam and emits the parallel light beam, and the following conditional expressions (1) is satisfied: | 04-23-2015 |
| 20150109682 | IMMERSION MICROSCOPE OBJECTIVE AND MICROSCOPE USING THE SAME - An immersion microscope objective includes, in order from an object side, a first lens group having a positive refractive power, a second lens group, and a third lens group, wherein the first lens group changes a light beam from an object to a convergent light beam, the second lens group has a refractive power smaller than that of the first lens group, and the following conditional expression (1-1) is satisfied: | 04-23-2015 |
| 20150146304 | IMMERSION MICROSCOPE OBJECTIVE AND MICROSCOPE USING THE SAME - An immersion microscope objective includes, a first lens group having a positive refractive power, a second lens group having a positive refractive power, and a third lens group having a negative refractive power, wherein the first lens group includes a first lens surface and a second lens surface, the first lens surface is positioned nearest to the object side and the second lens surface is positioned on an image side of the first lens surface and nearest to the first lens surface, and the following conditional expression (1) is satisfied: | 05-28-2015 |
| 20160116724 | OBJECTIVE FOR MICROSCOPE - An objective for a microscope includes, in order from an object side, a first lens group with positive refractive power, a second lens group with positive refractive power, and a third lens group with negative refractive power. When NA represents a numerical aperture of the objective, FN represents a field number of the objective, β represents a magnification of the objective, ε represents an Airy disk diameter on an axis to a d-line of the objective, φ | 04-28-2016 |
| 20160202461 | Optical System and Optical Instrument, Image Pickup Apparatus, and Image Pickup System Using the Same | 07-14-2016 |
| 359659000 | Having five components | 2 |
| 20080212199 | MICROSCOPE OBJECTIVE LENS - A microscope objective lens is disclosed that includes, in order from the object side, a first lens group having positive refractive power, a second lens group having positive refractive power that is movable along the optical axis, and a third lens group. The first lens group includes, in order from the object side, two meniscus lens components, each with its concave surface on the object side, and at least one positive lens component, and the third lens group has adjacent concave lens element surfaces that face each other and are in contact with air. Specified conditions may be satisfied, and one or more lens components in the first lens group and the second lens group may be movable. | 09-04-2008 |
| 20130242407 | WIDE RANGE ZOOM SYSTEM - A wide range zoom system, for microscopes. The zoom system includes five lens groups, of which, starting at the object side, the second and fourth lens group are displaceable in the axial direction relative to the first, third and fifth lens group. A stop of variable opening diameter that is stationary relative to the first, third and fifth lens group is provided between the second and fourth lens group, wherein the maximum opening diameter of said stop is in middle zoom magnifications. As magnification increases, the object-side aperture increases non-linearly in relation to the magnification, such that in regions of low magnifications the object-side aperture increases more sharply than in regions of higher magnifications. | 09-19-2013 |
| 359660000 | Having four components | 3 |
| 20080247050 | MICROSCOPE OBJECTIVE - The invention relates to a microscope objective which consists of at least four lenses or groups of lenses and can preferably be used to improve image contrast. | 10-09-2008 |
| 20090059386 | MICROSCOPE OPTICAL SYSTEM AND DIGITAL MICROSCOPE HAVING THE SAME - A microscope optical system includes, in order from an object side to an image side, a first lens group, a second lens group, a stop, a third lens group, a fourth lens group and a sensor. The first to fourth lens groups all have at least one lens element and at least one of lens elements of the first to fourth lens groups has an aspheric surface. The microscope optical system satisfies several specific conditions so as to provide microscope images of high resolution and high zoom ratio. A digital microscope having the microscope optical system adopts a CCD sensor so that a observer may observe microscope images displayed on a large display screen and store the images for subsequent edition or inspection. | 03-05-2009 |
| 20130222920 | MICROSCOPE OBJECTIVE LENS - A microscope objective lens includes, in an order starting from an object side, a first lens group having a positive power, a second lens group having a positive power, a third lens group having a negative power, and a fourth lens group having a positive power. The second lens group is configured to move in an optical axis direction between the first lens group and the third lens group so as to correct a variation in an aberration caused by a thickness of a cover glass. The following conditions are satisfied: | 08-29-2013 |
| 359661000 | Having less than four components | 6 |
| 20080310030 | Microscope Objective - The invention is directed to an objective, particularly for telescope-type stereomicroscopes. The objective comprises two lens groups, a first lens group and a second lens group. The first lens group, which faces the object plane, has a positive refractive power and comprises a plurality of lenses of which at least two form a cemented component. The second lens group, which is on the image side, has a negative refractive power and comprises a collecting cemented component and a diverging lens. The objective is characterized in that the following conditions B | 12-18-2008 |
| 20100103530 | MICROSCOPE OBJECTIVE LENS - A microscope objective lens is disclosed that includes, in order from the object side, a first lens group having positive refractive power, a second lens group having positive refractive power that is movable along the optical axis, and a third lens group. The first lens group includes, in order from the object side, two meniscus lens components, each with its concave surface on the object side, and at least one positive lens component, and the third lens group has adjacent concave lens element surfaces that face each other and are in contact with air. Specified conditions may be satisfied, and one or more lens components in the first lens group and the second lens group may be movable. | 04-29-2010 |
| 20100142058 | OBJECTIVE OPTICAL SYSTEM - The invention relates to a high-performance imaging optical system that achieves a magnification high enough to be capable of microscopic viewing under an endoscope, and is compatible with high-definition imaging devices. The objective optical system comprises, at least in order from the object side, a positive, first group G | 06-10-2010 |
| 20100165474 | Microscope objective - A microscope objective includes at least five lens components, which are divided into three groups that are, in order from an object side: a front group having a positive refracting power as a whole and having a meniscus lens component with an object-side surface thereof being concave toward the object side; a middle group having a positive refracting power as a whole and having a plurality of cemented lens components; and a rear group having a pair of concave air-contact surfaces arranged adjacent and opposite to one another,
| 07-01-2010 |
| 20100177404 | DRY-TYPE MICROSCOPE OBJECTIVE LENS - The present invention offers a dry-type microscope objective lens which has a high NA in the range from low magnification to middle magnification and is lightweight and by which a high-resolution image can be obtained without taking a user time and trouble in observation. | 07-15-2010 |
| 20100202062 | IMMERSION TYPE MICROSCOPE OBJECTIVE LENS - An immersion type microscope objective lens OL includes, in order from a cover plate C side, a first lens group G | 08-12-2010 |
