Class / Patent application number | Description | Number of patent applications / Date published |
359379000 | Spacing of optical elements axially adjustable | 44 |
20080252965 | EPI-ILLUMINATION OPTICAL SYSTEM FOR MICROSCOPES - The invention relates to an epi-illumination optical system for microscopes which relies upon a Köhler illumination system using a collective lens array, having simplified adjustment function capable of adjusting the image position of a light source to the back focal position of each microscope objective lens in operable association with microscope objective lens replacement. The invention provides an epi-illumination optical system for microscopes, with an objective lens serving as a condenser lens, which comprises a light source, a collimate lens, and a lens array. The epi-illumination optical system further comprises a projection optical system adapted to project an image of light source formed by collective lens array. The projection optical system comprises a partial optical system movable in an optical axis direction, so that the imaging position for the image array of light source is adjustable to the back focal position of the objective lens | 10-16-2008 |
20090080069 | Microscope - Provided is a microscope for focusing by inserting a split prism ( | 03-26-2009 |
20090219612 | FOCUS-ADJUSTING UNIT AND MICROSCOPE - It is possible to use the magnification of an objective lens as is, substantially without changing the observation magnification, even when the working distance of the objective lens is changed. The invention provides a focus-adjusting unit disposed on an optical axis between an objective optical system that collects light from a specimen and an image-forming optical system that images the light collected by the objective optical system at a prescribed position, comprising a front optical system and a back optical system, sequentially disposed along the optical axis direction from a front side, with the objective optical system serving at the front side and the image-forming optical system at the back; and a lens driving part that relatively moves these optical systems in the optical axis direction, wherein the front optical system and the back optical system have refractive powers of different sign and focal lengths of substantially equal absolute value. | 09-03-2009 |
20100091363 | OBJECTIVE LENS, NOSEPIECE AND INVERTED MICROSCOPE EQUIPPED THEREWITH - An objective lens to be fitted into a fitting hole of a nosepiece of a microscope includes an imaging lens that is composed of a plurality of lens groups, and a lens barrel that holds the imaging lens. The lens barrel is formed with a fitting portion that is fitted to the fitting hole of the nosepiece and provided at an outer circumference of a tip portion side away by a given distance from the tip portion where a first lens group in the imaging lens is held, and a mount surface that comes into contact with a contact surface of the fitting hole of the nosepiece upon fitting at the fitting portion. The nosepiece is equipped with the objective lens. The inverted microscope is equipped with the nosepiece fitting the objective lens. | 04-15-2010 |
20100214653 | MICROSCOPE HAVING INTERNAL FOCUSING - The invention relates to a laser scanning microscope with a scanner and a microscope objective, and to a control method for such a microscope. In order to obtain sharp imaging of the sample in a laser scanning microscope, the distance between the microscope objective and the sample is usually varied for adjusting the focus position. However, relative movements between the objective and the sample can be problematic. In view of the costly special objective, internal focusing of the objective is a disadvantageous solution. An improved laser scanning microscope should make it possible to sharply image a sample with standard objectives without relative movement between the microscope objective and sample. According to the invention, a tube lens is provided which is displaceable along the optical axis, and the focus position is adjustable relative to a front optical element of the microscope objective by adjusting the tube lens. | 08-26-2010 |
20110069381 | SPHERICAL ABERRATION CORRECTION FOR AN OPTICAL MICROSCOPE USING A MOVING INFINITY-CONJUGATE RELAY - An infinity-conjugate lens relay with a moving first lens is used to select a plane of interest from an image volume. This plane can be selected so that the image is corrected for spherical aberration due to non-ideal imaging conditions. This effectively will allow for deeper, corrected imaging for high power microscopes. Using an infinity-conjugate relay, this device has an ideal “bypass” mode for regular imaging without correction. The device also utilizes software that automatically controls the device for correcting live images. | 03-24-2011 |
20120236399 | VARIABLE-FOCUS OPTICAL SYSTEM - Aberrations are sufficiently corrected, and an excellent image is acquired. Provided is a variable-focus optical system including a positive-power front-group optical system, a rear-group optical system having the same power, and an optical-system driving unit configured to relatively change the distance therebetween in the optical axis direction, wherein the front-group optical system consists of a positive-power first-group optical system formed of a joined lens, that is, a lens L | 09-20-2012 |
20120320453 | MICROSCOPE APPARATUS - The present invention can realize stable focus tracking in the AF control of a microscope by calculating an evaluation function based on a light intensity signal received in two regions and adjusting the slope of the evaluation function to be constant. | 12-20-2012 |
20130070334 | AUTO FOCUSING DEVICES FOR OPTICAL MICROSCOPES - A focusing device for an optical microscope may include a light emitting unit configured to emit laser light having a specific wavelength, a wedge mirror configured to enable the emitted laser light to be incident on a plurality of locations of a surface of a specimen, first and second light receiving units configured to detect an amount of laser light reflected from the surface of the specimen, a spatial filter configured to eliminate out-of-focus light from light beams reflected from the surface of the specimen and to detect an amount of in-focus light, and a control unit configured to generate a control signal used to carry out focus adjustment of the optical microscope using a plurality of light-amount information detected by the first and second light receiving units and the spatial filter. | 03-21-2013 |
20130077158 | INVERTED MICROSCOPE - An inverted microscope includes: a stage which places a specimen thereon; a light source unit which has a light source irradiating light to the specimen on the stage; an objective lens which focuses at least observation light from the specimen on the stage; a body unit which holds at least the objective lens; a condenser which is provided on an optical axis of the objective lens; a condenser holding unit which holds the condenser; a condenser moving mechanism which movably supports the condenser holding unit and moves the condenser holding unit along the optical axis; a transmission mechanism which transmits power for moving the condenser to the condenser moving mechanism; and an input unit which inputs the power to the transmission mechanism. The input unit is provided above the condenser holding unit. | 03-28-2013 |
20130170022 | Adjustable optics for ongoing viewing correction - Exemplary methods, systems and components enable an enhanced direct-viewing optical device to make customized adjustments that accommodate various optical aberrations of a current user. In some instances a real-time adjustment of the transformable optical elements is based on known corrective optical parameters associated with a current user. In some implementations a control module may process currently updated wavefront measurements as a basis for determining appropriate real-time adjustment of the transformable optical elements to produce a specified change in optical wavefront at an exit pupil of the direct-viewing device. Possible transformable optical elements may have refractive and/or reflective and/or diffractive and/or transmissive characteristics that are adjusted based on current performance viewing factors for a given field of view of the direct-viewing device. Some embodiments enable dynamic repositioning and/or transformation of corrective optical elements based on a detected shift of a tracked gaze direction of a current user of the direct-viewing device. | 07-04-2013 |
20130215502 | FOCUSING APPARATUS AND METHOD - A focusing apparatus for use with an optical system having a high NA objective lens includes an image forming and capturing mechanism for forming an image in an intermediate image zone and for capturing an image by receiving and refocusing light from a selected focal plane within the intermediate image zone, and a focus adjusting mechanism for adjusting the position of the selected focal plane within the intermediate image zone. The image forming and capturing mechanism includes at least one high NA lens. In use, spherical aberration introduced by the high NA objective lens is reduced. | 08-22-2013 |
20130321907 | Adjustable Total Internal Reflectance Microscopy (TIRFM) Illuminator Apparatus - A new apparatus and method of delivering light to the hack aperture of a High. Numerical Aperture (NA) Microscopy Objective lens for Total Internal Reflectance Microscopy (TIRFM) is provided. The apparatus and method include pumping light generated by a laser through an optical fiber which is optically coupled to the objective lens by a collimating optical element, such as, for example a lens or prism. The apparatus and method also include providing a fiber axial translator which is mechanically adjustable for focusing the laser light optically coupled to the objective lens. The apparatus also includes a mechanical coupler for mechanically coupling the apparatus to the object lens such that the laser light optically coupled to the objective lens can be adjusted to exceed, or not exceed, a critical angle associated with TIRFM illumination. | 12-05-2013 |
20140192405 | ADJUSTABLE COLLIMATOR FOR COUPLING A LIGHT GUIDE TO A MICROSCOPE - A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in life sciences including, microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from LED light sources. In an embodiment, the solid state illumination system is coupled to a microscope using a liquid light guide. The liquid light guide is coupled to a microscope using an adjustable collimator which optimizes the light output for input to the optical train of the microscope. | 07-10-2014 |
20150355451 | UPRIGHT AND INVERTED MICROSCOPE - A dual-configuration microscope is provided. In some aspects, the microscope can be converted into an upright configuration or an inverted configuration. The microscope includes a base having a lower portion and an upper portion, the lower portion configured to support the microscope. The microscope further includes a body having a first portion, a second portion, and an intermediate portion extending between the first and second portions. The body is rotatably coupled to the base at a rotational coupling that defines a rotating axis that extends in a longitudinal direction with respect to the microscope. | 12-10-2015 |
359380000 | Variable magnification | 29 |
20080259442 | Scanning microscope and adjusting method for the same - A scanning microscope includes an objective lens for focusing illumination light onto a specimen; a scanning device for deflecting and scanning the illumination light; a pupil-projection optical system for illuminating a pupil of the objective lens with the scanned illumination light; and a total-magnification specifying unit for specifying a total magnification. An optical-system selecting unit changes at least one of the objective lens and the pupil-projection optical system such that a magnification of an optical system including the objective lens and the pupil-projection optical system is equal to or less than the total magnification specified by the total-magnification specifying unit and that the numerical aperture of the optical system is maximized. A deflection-angle determination unit determines a deflection angle of the illumination light deflected by the scanning device based on the ratio of the magnification of the optical system to the total magnification to achieve the total magnification. | 10-23-2008 |
20090091822 | ZOOM MICROSCOPE - A zoom microscope includes an observation optical system having an exchangeable objective lens, an aperture diaphragm, an afocal zoom system, and an image forming optical system; and a zoom epi-illumination optical system. The zoom epi-illumination optical system has an optical path which is also the optical path of the observation optical system between the objective lens and the afocal zoom system so as to illuminate an object by incident light. In the zoom epi-illumination optical system, an image of a light source is formed in the vicinity of the pupil position of the objective lens. This realizes a zoom microscope capable of performing fluorescent epi-illumination without shading in all the magnification ranges. | 04-09-2009 |
20090122396 | MICROSCOPE - A stereoscopic microscope according to the invention includes an observing optical unit 10 that has a zoom optical system 501 having variable zoom power and an objective lens 63 optically connected to the zoom optical system 501, and that receives observing light emitted from a specimen 2. The stereoscopic microscope also includes an illuminating unit 7 that emits illuminating light to illuminate the specimen 2. The microscope further includes a near co-axial epi-illuminatory optical system that has a reflecting mirror 13 disposed in the observing optical unit 10 but out of the optical path of the zoom optical system 501, and that illuminates the specimen 2 with illuminating light via the reflecting mirror and objective lens 6. | 05-14-2009 |
20090135475 | Method for Operating an Optical System and Optical System - The invention concerns a method for operating an optical system ( | 05-28-2009 |
20100002289 | MICROSCOPE OPTICAL SYSTEM, MICROSCOPE, AND VIRTUAL SLIDE FORMING SYSTEM - The purpose is to move an observation field of view of a microscope without moving or changing an objective lens without varying position or state of a sample. A microscope optical system according to the present invention has a mirror that changes the direction of the optical path by reflection and locates in the optical path between an objective lens of the microscope and an image to be observed. The mirror is able to be tilted with changing the position of a reflecting surface of the mirror. Accordingly, the observation field of view is moved by tilting the mirror. In other words, the observation field of view can be moved without changing positional relation between the objective lens of the microscope and the sample. | 01-07-2010 |
20100014154 | Zoom Microscope - It is an object to provide a zoom microscope of a simple structure which can expand a variable-power range. In order to achieve the object thereof, the zoom microscope includes a replaceable infinity correction objective lens, an aperture stop, an afocal zoom system, and an imaging optical system which are arranged in this order from a specimen side. Further, the aperture stop is disposed on or near a rear focal plane of the objective lens. | 01-21-2010 |
20100014155 | LASER SCANNING MICROSCOPE - A laser scanning microscope comprises: an objective lens for observing a specimen; a focal plane scan lens placed on the opposite side of the objective lens from the specimen and which generates an intermediate image; a mirror placed near to the position of the intermediate image of the focal plane scan lens; a scan unit scanning the mirror in the optical axis direction; and a pupil projection optical system which projects the pupil of the objective lens onto the pupil of the focal plane scan lens and of which the pupil projection magnification ratio is variable. | 01-21-2010 |
20100039700 | PORTABLE MAGNIFYING INSTRUMENT USEFUL FOR COLPOSCOPY - A portable magnifying instrument useful for colposcopy is provided which may include in combination an optical system capable of providing a distortion free clear continuously varying 10× to 15× magnification of a three-dimensional wide object; an integrated energy efficient, low powered and intensity controlled illumination system; a power pack and mounting. The optical system may have an eyepiece lens system and an objective lens system. The illumination system may have a plurality of light emitting diodes (LEDs) connected to the power pack; mounted in such a manner that the angle between the LEDs is maintained with respect to the optical axis of the lens system and that the light beam from the said LEDs impinges on the wide object to be observed at the focus of the said lens system. | 02-18-2010 |
20100110540 | VARIABLE MAGNIFICATION OPTICS WITH SPRAY COOLING - A collection optics having variable magnification, and which enable changing magnification without stopping the spray cooling. The variable magnification is provided by a turret that carries several objectives of different magnifications. A frame is provided above the turret, wherein the spray cooling is provided. By rotating the turret and changing its elevation, different objectives of the turret can be “docked” to a docking port within the frame. | 05-06-2010 |
20100142037 | VARIABLE POWER RELAY OPTICAL SYSTEM AND MICROSCOPE EQUIPPED THEREWITH - A variable power relay optical system comprising: a variable power lens performing zooming a secondary image based on light from a primary image; and a rear group forming the secondary image based on the light passing through the variable power lens; the variable power lens consisting of, in order from the primary image side, a first group having positive power, a second group having negative power, a third group having positive power, and a fourth group having positive power, upon zooming from a high magnification end to a low magnification end, the fourth group being moved to the secondary image side, and a distance between the first group and the second group increasing, positions of the primary image and the secondary image, an entrance pupil of the variable power relay optical system, a pupil of the variable power lens, and an exit pupil of the variable power relay optical system being substantially kept constant, and the pupil of the variable power lens being disposed to the secondary image side of the last surface of the variable power lens. | 06-10-2010 |
20110222146 | Zoom System For A Microscope And Method Of Operating Such A Zoom System - The present invention relates to an afocal zoom system for a microscope with a shutter for controlling the depth of focus of the microscopic image produced by an object, wherein at least one shutter is disposed in front of the first lens group of the zoom system, viewed from the object, in the direction of the beam path passing through the zoom system, and/or at least one shutter is disposed on a lens group of the zoom system the diameter of which can be varied in order to control the depth of focus, without causing vignetting of the edge beams. | 09-15-2011 |
20110235169 | MICROSCOPE MODULE - Disclosed is a microscope module. The microscope module includes an objective lens magnifying an image of a sample subject for observation; an observation part for observing the image of the sample magnified through the objective lens; and a reflective mirror provided between the objective lens and the sample such that the vertical distance between the sample and the objective lens is substantially reduced. Since the reflective lens is disposed between the objective lens and the observation part, the working distance from the sample to the objective lens is substantially reduced, so that the height of the microscope is remarkably reduced. Thus, the microscope may be used in a place with vertical spatial limitations. | 09-29-2011 |
20110261446 | OPTICAL ARRANGEMENT FOR OBLIQUE PLANE MICROSCOPY - An optical arrangement for oblique plane microscopy includes a first optical subassembly having an objective lens that receives light from a sample in use, and configured to produce an intermediate image of the sample, and a second optical subassembly focused on the intermediate image. Optical axes of the first and second subassemblies are at an angle to each other at the point of the intermediate image, such that the second subassembly images an oblique plane in the intermediate image, corresponding to an oblique plane in the sample. An oblique plane microscopy method is performed by directing an incident light beam through the objective lens to illuminate or excite the oblique plane in the sample, and receiving light from the sample through the same objective lens. The incident light beam is incident on the sample at an angle of substantially 90° relative to the light beam received from the sample. | 10-27-2011 |
20110279893 | LASER SCANNING MICROSCOPE - The present invention relates to a laser scanning microscope ( | 11-17-2011 |
20110286091 | Microscope system and observation control method - A microscope system and observation control method. An electric zoom consecutively changes a magnification for a sample. A revolver includes a plurality of objective lenses of different magnifications and switches the objective lens placed in an observation optical path to intermittently change the magnification for the sample. A control section calculates a total magnification at which the sample is observed based on a magnification provided by the electric zoom and the magnification of the objective lens currently placed in the observation optical path. The control section operates when the revolver switches the objective lens placed in the observation optical path, to determine a target magnification that is the magnification of the electric zoom required to keep the total magnification obtained after the switching of the objective lens equal to the total magnification obtained before the switching of the objective lens. | 11-24-2011 |
20110310474 | MICROSCOPE SYSTEM AND OBSERVATION CONTROL METHOD - An electric zoom consecutively changes a magnification for a sample within a magnification changeable range. An electric revolver switches an objective lens placed in an observation optical path to intermittently change the magnification for the sample. A control section calculates a total magnification based on the magnification provided by the electric zoom and the magnification of the objective lens currently placed in the observation optical path. The control section controls the electric revolver such that the objective lens placed in the observation optical path is switched when the magnification changed in response to the operation of causing the magnification of the electric zoom to be changed falls outside the magnification changeable range of the electric zoom. | 12-22-2011 |
20120002274 | MICROSCOPE COMPRISING MULTIPLE OPTICAL SYSTEMS IN THE IMAGING BEAM PATH - A microscope comprising multiple optical systems in the imaging beam path and at least one subassembly, the optical effect of which in relation to the imaging beam path can be modified by controlling the subassembly, e.g. a group of lenses or a diaphragm that can be moved in the direction of the optical axis, a diaphragm having a variable aperture, a digital zoom device, a shutter, or a focusing device. The microscope includes a control unit which is designed to generate control signals for the subassembly in a first mode of operation to regulate or control the functional parameters exclusively of the imaging optical system with which the subassembly is associated, and additionally in a second mode of operation to regulate or control the functional parameters of the entire optical system of the microscope. | 01-05-2012 |
20120008195 | MICROSCOPE SYSTEM - Microscope system for acquiring a plurality of images, comprising: a zoom system which is configured to continuously vary a magnification of the microscope system over a magnification range of the microscope system, wherein the zoom system comprises two movable zoom components, which are arranged movably along a common optical axis of the microscope system; an aperture stop, which is configured such that a plurality of different observation beam paths of the microscope system are selectable, which traverse the zoom system; wherein the aperture stop, as seen along the optical axis, is arranged between the two movable zoom components; and wherein for all values of the magnification within the magnification range, the aperture stop is located within an aperture stop range which is measured along the optical axis and which surrounds a pupil position of the microscope system. | 01-12-2012 |
20120026582 | MICROSCOPE SYSTEM - Changes in moving speed of an observation image relative to the viewing range of an image displayed on a display unit are reduced, even if a stage is driven when the viewing range of the image on the display unit is changed. A microscope system is provided, including a stage on which a specimen is mounted and that can be moved in a direction that intersects with an optical axis of illumination light irradiated on the specimen; an observation optical system that acquires an image of the specimen on which the illumination light is irradiated; a viewing-range setting unit that sets a viewing range of the image acquired by the observation optical system and displayed on a display unit; a ratio calculating unit that calculates a ratio of the viewing range of the image, which is set by the viewing-range setting unit, relative to a maximum image-acquisition area that can be captured by the observation optical system; and a stage controller that controls the moving speed of the stage in accordance with the ratio calculated by the ratio calculating unit. | 02-02-2012 |
20120075694 | VARIABLE FOCUSING LENS AND MICROSCOPE - A variable focusing lens is provided that can change the focal length at a high speed. The variable focusing lens includes: a single crystal electrooptic material having inversion symmetry; a first anode formed on a first surface of the electrooptic material; a second cathode provided to have an interval to the first anode; and a first cathode and a second anode that are formed on a second surface opposed to the first surface and that are formed at positions opposed to the first anode and the second cathode. An optical axis is set so that, when light enters through a third face orthogonal to the first surface, light exists through a fourth surface opposed to the third face. A voltage applied between the first and the second pair of electrodes is changed to thereby change the focal point of light emitted from the fourth surface of the electrooptic material. | 03-29-2012 |
20130128345 | Inverted Microscope - Provided is an inverted microscope | 05-23-2013 |
20130258458 | VARIOSCOPE OPTICAL UNIT AND MICROSCOPE HAVING A VARIOSCOPE OPTICAL UNIT - A varioscope optical unit has a positive member ( | 10-03-2013 |
20130265638 | DEVICE FOR ADJUSTING OPTICAL MAGNIFICATION OF MICROSCOPE - The present invention relates to a device for adjusting an optical magnification of a microscope, the device including: a magnification adjuster adapted to change the optical magnification of the microscope in accordance with the relative rotation position with respect to a tube unit; a membrane potentiometer positioned on the rotating passage of the magnification adjuster to output an electrical signal corresponding to the contacted position of the magnification adjuster therewith; and a controller adapted to receive the electrical signal outputted from the membrane potentiometer to output the optical magnification corresponding to the rotated position of the magnification adjuster. | 10-10-2013 |
20130342901 | Microscope Device and Method for Operating a Microscope Device - The invention relates to a method for operating a microscope device having a first and a second zoom microscope, wherein a zoom adjustment of the second zoom microscope is carried out in dependence upon a zoom adjustment of the first zoom microscope. It is provided according to this method that, in order to set a determined magnification ratio between the zoom microscopes, the zoom adjustment of the second zoom microscope is automatically carried out on the basis of a coupling function or that, in order to carry out a size comparison between specimens brought into beam paths of the two zoom microscopes, the zoom adjustment of the first zoom microscope and the zoom adjustment of the second zoom microscope are carried out as desired by a user and a magnification ratio between the zoom adjustments carried out is determined in dependence upon these zoom adjustments and on the basis of a coupling function, through which an assignment of zoom adjustments of the first zoom microscope to zoom adjustments of the second zoom microscope is produced. In addition the invention relates to a microscope device with two zoom microscopes. | 12-26-2013 |
20140168763 | VARIABLE IMAGING SYSTEM WITH AN OBJECTIVE OF FIXED FOCAL LENGTH - A variable imaging system which, starting from the object end, includes an objective of fixed focal length, at least one afocal zoom system, and a tube lens system. An afocal system of fixed magnification is arranged on the beam path between the objective and the afocal zoom system. The system includes means for axial displacement of the afocal system relative to the objective and to the zoom system, such that the position of the common back focal point of objective and afocal system is always set to the position of the entrance pupil of the zoom system, thus ensuring that object imaging is telecentric. The imaging system is suitable for use in microscopes. The invention can also be used to advantage in other optical systems employing tube lens systems of fixed or variable focal length. | 06-19-2014 |
20150077843 | HIGH-RESOLUTION SCANNING MICROSCOPY - A microscope and method for high resolution scanning microscopy of a sample, having: an illumination device for the purpose of illuminating the sample, an imaging device for the purpose of scanning at least one point or linear spot over the sample and of imaging the point or linear spot into a diffraction-limited, static single image below an imaging scale in a detection plane. A detector device is used for the purpose of detecting the single image in the detection plane for various scan positions, with a location accuracy which, taking into account the imaging scale in at least one dimension/measurement, is at least twice as high as a full width at half maximum of the diffraction-limited single image. A non-imaging redistribution element is arranged in front of a detector array of the detector and which distributes the radiation from the detection plane onto the pixels of the detector array in a non-imaging manner, and the redistribution element comprises a bundle of optical fibers. | 03-19-2015 |
20150092265 | MICROSCOPE SYSTEM AND METHOD FOR MICROSCOPE SYSTEM - A desired observation timing is ensured, and simultaneity of observation among different observation positions is ensured. Provided is a microscope system including an electrically powered stage, a scanner, objective lenses, a revolver, an image-acquisition portion, an autofocus portion, a first storage portion that stores one of the focal positions of the low-magnification objective lens as a reference position, a focal-position setting portion that sets a focal position at which an image is acquired with reference to the reference position for the low-magnification objective lens, an acquisition-position setting portion that sets acquisition positions for partial images, and a map-image generating portion that generates a map image based on the partial images acquired at the set focal position, wherein the autofocus portion detects a focal position of the high-magnification objective lens at an observation position set on the map image with reference to the reference position for the low-magnification objective lens. | 04-02-2015 |
20150116821 | SWITCHABLE HIGH AND LOW MAGNIFICATION LIGHTWEIGHT MICROSCOPE LENS STRUCTURE - A switchable high and low magnification lightweight microscope lens structure has a first microscope unit, a second microscope unit and a hinge. The first microscope unit has a first microscope lens having a first adhesive piece adhesively attached to an inner side of the first microscope unit with a hole formed through the first adhesive piece. The second microscope unit has a second microscope lens with a magnification higher than that of the first microscope lens having a second adhesive piece adhesively attached to an inner side of the second microscope unit. The hinge has two fixed arms, a pivoting block and a pivoting pin. The fixed arms are formed on and protrude from one edge of the first microscope unit. The pivoting block are formed on and protrudes from one edge of the second microscope unit, and mounted between the fixed arms. | 04-30-2015 |
20160097922 | MICROSCOPE WITH OBJECTIVE-DEPENDENT LIMITATION OF THE ROTATION ANGLE OF THE ZOOM ROTARY WHEEL - A microscope ( | 04-07-2016 |