Abstract: A stereomicroscope includes a base and a vessel which is disposed on the base. The vessel includes a transparent body and a light emitting unit. The transparent body has a bottom and a sidewall. The bottom and the sidewall define an opening. The sidewall extends from a side of the bottom. The opening of the transparent body places a specimen. The light emitting unit is fixed in the sidewall of the transparent body for emitting light. The light emitted from the light emitting unit illuminates the specimen, and is substantially parallel to the bottom of the transparent body.

Abstract: The embodiments herein provide a dual objective stereomicroscope in which the two objectives are moved independent of each other along an angular axis by a mechanism to provide a stereoscopic image of an object. The microscope has two optical paths formed respectively with an objective lens, a primary mirror, a focusing mirror and an eye piece. The plane of the primary mirror is arranged normal to the plane of the objective lens. The focusing mirror is arranged in parallel to the primary mirror to reflect a beam of light received from the objective lens through the primary mirror to the eye piece. The primary mirror is moved synchronously with the movement of the objective lens.

Abstract: The embodiments herein provide a variable 3-D stereomicroscope assembly. The assembly comprises a housing provided with left and right eye pieces for viewing a target object through left and right eyes respectively. A pair of telescopic arms detachably coupled to the housing through a flexible sleeve is mounted with two objective lenses for focusing a light reflected from the target object. A plurality of prisms is provided to enable a binocular vision through the left and right eye pieces simultaneously. The pair of telescopic arms are individually moved and rotated to focus on the target object. The objective lens unit includes a mechanical and an optical device unit for varying an inter-objective distance between the left and right optical path ways for focusing on the target object to increase a degree of 3-D vision.

Abstract: An imaging optical system is capable of arranging right and left optical systems parallel to each other while maintaining advantages of an inwardly inclined system stereoscopic microscope apparatus including right-eye and left-eye optical paths completely independent of each other, as well as a microscope apparatus including the imaging optical system. The imaging optical systems each include a plurality of lens groups and variable power optical systems. At least one lens group of the plurality of lens groups is arranged such that a center thereof deviates by a predetermined amount in a direction perpendicular to the optical axis, and a second lens group of each of the variable power optical systems is moved in a direction including a component perpendicular to a reference optical axis, in at least part of a power changing section from a high-power end state to a low-power end state.

Abstract: A microscope apparatus configured to enlarge entrance pupils while maintaining the rotational symmetry of optical systems of a plurality of optical paths after ejection of light from an objective lens to bring out the performance of the objective lens. A microscope apparatus includes an objective lens having a function of collecting light from the object; and optical paths in which all lens groups are rotational symmetric systems and through which light exited from the objective lens passes, wherein when a sum of maximum diameters of entrance pupils of optical systems forming any two of the optical paths is set as ?Di, and an axial luminous flux diameter determined from a maximum aperture angle ? and a focal distance f of the objective lens is set as Dobj, a condition of the following expression is satisfied, ?Di>Dobj where Dobj=2·f·sin ?.

Abstract: A pixel shifting unit moves the relative position between the luminous flux entering an image pickup device and the device to a plurality of predetermined positions in a predetermined order. A control unit controls the device, and allows the image of a subject image formed by the luminous flux on the photoreception surface of the device when the relative position is in any of the plurality of predetermined positions. A combination unit combines the plurality of obtained images to generate a high-resolution image. A prediction unit predicts a shooting environment when the device hereafter shoots an image of the subject image on the basis of a change of at least two images. A setting control unit controls a setting of a shooting condition when the image of the subject image is shot on the basis of a result of the prediction of the shooting environment.

Abstract: A microscope or stereomicroscope for representing an object that can be placed on an object plane of the stereomicroscope provides at least one pair of optical paths and comprises at least one deflection element with a reflecting surface and a representation system containing several optical elements. The optical elements include a plurality of lenses. In addition, the optical elements are configured in such a way that pupil planes of the optical representation paths intersect the reflecting surface of the deflection element or are located at a distance from said reflecting surface less than 1.5 times the diameter of one of the reflecting surfaces along the optical representation paths on the closest lens of the plurality of lenses. An alternative embodiment provides a stereomicroscope with a particularly compact construction, in which at least one pair of optical representation paths is reflected on a first, second, third, and fourth reflecting surface.

Abstract: The present invention is low cost, does not exert a negative influence on the surroundings, has a small group-velocity delay dispersion, efficiently blocks reflected return light such that the laser light does not return to the laser light source, and allows properly polarized laser light to enter a polarization-dependent element in a subsequent stage. An optical device is provided which includes a laser light source, an optical system that transmits laser light emitted from the laser light source, and a polarization-dependent element into which the laser light transmitted by the optical system enters. The characteristics of outgoing light are changed according to a polarization state of the incident light. The optical system includes a reflected-light generator that reflects a part of the transmitted laser light, and ?/4 wave plates are disposed such that the reflected-light generator is disposed therebetween.

Abstract: A multi-mode optical fiber delivers light from a radiation source to a multi-focal confocal microscope with reasonable efficiency. A core diameter of the multi-mode fiber is selected such that an etendue of light emitted from the fiber is not substantially greater than a total etendue of light passing through a plurality of pinholes in a pinhole array of the multi-focal confocal microscope. The core diameter may be selected taking into account a specific optical geometry of the multi-focal confocal microscope, including pinhole diameter and focal lengths of relevant optical elements. For coherent radiation sources, phase randomization may be included. A multi-mode fiber enables the use of a variety of radiation sources and wavelengths in a multi-focal confocal microscope, since the coupling of the radiation source to the multi-mode fiber is less sensitive to mechanical and temperature influences than coupling the radiation source to a single mode fiber.

Abstract: An apparatus for rendering a three-dimensional model from a plurality of eye points to present a three-dimensional picture, wherein the position of a virtual camera for rendering apexes of the three-dimensional model is controlled in accordance with the amount of protrusion of an object under rendering from a display plane to create and present a non-perspective projection picture as a picture at each eye point position. Also, for this control, a weighting parameter is incorporated in each part of the three dimensional model, such that the presentation of stereoscopic sense can be finely controlled.

Abstract: A microscope system for imaging of an object that can be placed in an object plane of a microscope system includes an imaging system for providing at least one pair of optical imaging paths that include a stereoscopic angle in the object plane. The imaging system includes a first subsystem comprising a first plurality of optical lenses that are commonly traversed by both optical imaging paths of the at least one pair of optical imaging paths. The imaging system also includes a second subsystem comprising a second plurality of optical lenses that are traversed by only one optical imaging path. At least two optical lenses of the first plurality of optical lenses and at least two optical lenses of the second plurality of optical lenses are displaceable relative to one another along a common optical imaging path to respectively vary a magnification of the representation of the object.

Abstract: The present invention relates to a stereo microscope (20) with a first and a second main beam path (21, 22), the spacing of which defines a stereo base (23), wherein an axis of the microscope (24) extends through the middle of the stereo base (23) parallel to the main beam paths (21, 22), and with an optical beam splitter device (30) for producing an assistant beam path (31) and a documentation beam path (32), wherein the direction of the assistant beam path (31) in a first position is rotated by 180° to the direction of the assistant beam path (31) in a second position of the beam splitter device (30), and the decoupled documentation beam path (32) in both positions of the beam splitter device (30) is in each case perpendicular to the decoupled assistant beam path (31), and wherein in both the first and second positions of the beam splitter device (30) the assistant beam path (31) can in each case be decoupled at least from the first main beam path (21) and the documentation beam path (32) can in each case b

Abstract: A stereomicroscope includes a microscope main body and a camera for assistant. The microscope main body includes therein an objective optical system, a zoom optical system and an eyepiece optical system. The camera for assistant is detachably mounted to the microscope main body. The microscope main body provides to a main operator a pair of optical images including a certain binocular disparity as viewed from an observation direction of the main operator. The camera for assistant provides to an assistant a pair of electron images including a certain binocular disparity as viewed from an observation direction of the assistant. The observation directions of the main operator and the assistant cross at a certain angle. The camera for assistant outputs the pair of electron images into a stereo viewer which is separated from the microscope main body.

Abstract: A surgical fluorescence stereomicroscope (1) for detecting and operating on fluorescing areas of an object field (7) is described, which microscope encompasses a first illumination device (2) for irradiating the object field (7) with light in an excitation wavelength region (E). The surgical fluorescence stereomicroscope (1) further encompasses an observation beam path (21) for guiding the reflected and emitted light received from the object field (7), and a first observation filter (9) in the observation beam path (21) which is transparent in the excitation wavelength region (E) and in a fluorescence wavelength region (F). According to the present invention, means (10a to 10c) for controllable attenuation in the excitation wavelength region (E) are additionally arranged in the observation beam path.

Abstract: An objective changer for a telescope-type stereomicroscope which has two telescope systems whose entrance-side beam paths are oriented parallel to one another, which includes a carrier and an objective holder which is held at the carrier so as to be movable relative to the carrier between a first stereoscopic working position and a second stereoscopic working position and a third working position. The objective holder has at least a first and a second receptacle for stereo objectives and a third receptacle for an additional objective. The two telescope system beam paths penetrate one of the receptacles for the stereo objectives at least in the stereoscopic working positions when the objective changer is arranged at the stereomicroscope.

Abstract: A parallax barrier device includes a pair of transparent-electrode substrates each provided with a transparent electrode. A barrier light-shielding part and a light-transmitting part are formed in a gap between the pair of transparent-electrode substrates. A liquid crystal layer is formed in the barrier light-shielding part. A resin layer having the property of transmitting light is formed in the light-transmitting part. The barrier light-shielding part separates light for a first image viewed from a first direction and light for a second image viewed from a second direction different from the first direction. The light-transmitting part transmits the light for the first image and the light for the second image.

Abstract: The invention is directed to a method for equalizing arbitrary parfocal lengths of objectives when focusing stereomicroscopes and macroscopes, including an objective changer (4) equipped with differently parfocalized and/or non-parfocalized objectives (5), and focusing devices for automatic focusing when changing an object or objective. The focusing devices are controlled by control devices according to object and objective changer data and data for the travel path stored previously in a storage device. When changing non-parfocal objectives (5) arranged in an objective changer (4), automatic focusing is carried out. During an objective change, the danger of a collision between objectives (5) arranged in the objective changer (4) and the object or the object carrier (1.

Abstract: A stereoscopic lens system for a stereo endoscope is disclosed, the stereoscopic lens system converting light propagated from an object and received at an objective end of the stereoscopic lens system to left and right optical images at an image plane end of the stereoscopic lens system. The system includes at least one linearly movable left optical element configured to selectably adjust the magnification and field of view of the left image in response to linear movement and at least one linearly movable right optical element configured to selectably adjust the magnification and field of view of the right image in response to linear movement. The at least one linearly movable left optical element and the at least one linearly movable right optical element are selectably movable in fixed relation to each other.

Abstract: A microscope having a night vision apparatus, which apparatus can be impinged upon by beam paths proceeding from a specimen or object to be observed.

Abstract: The present invention relates to an illuminating device for an operating microscope comprising two observation beam paths (152, 154) for a first observer (main surgeon) and two observation beam paths (156, 158) for a second observer (assistant), having an illuminating system (102; 106a, 108a) for providing two parallel illuminating beam paths (106, 108) and a deflecting device (118, 120), for deflecting the parallel illuminating beam paths onto an object (200) that is to be observed, the deflecting device comprising a first semitransparent deflector element (118) which is associated with a first observation beam path (154) of the first observer and a first observation beam path (156) of the second observer, and a second semitransparent deflector element (120), which is associated with a second observation beam path (152) of the first observer and a second observation beam path (158) of the second observer, the first illuminating beam path (106) acting exclusively on the first deflector element (118) and the s

Abstract: The invention relates to a microscopy system for representing an object that can be placed on an object plane (1) of the microscopy system, the latter comprising a representation system (26) containing several optical elements for providing at least one optical representation path (2a, 2b, 2c, 2d). According to one embodiment of the invention, the optical elements comprise a plurality of optical lenses (4-8, 11, 13, 14), through which the optical representation path(s) (2a-2d) pass(es) in sequence and which represent the object plane (1) in an intermediate image (P). The optical lenses (4-8, 11) are configured in such a way that the representation of the object plane (1) in the intermediate image (P) is reduced a maximum 0.9 times, preferably a maximum 0.8 times, preferably a maximum 0.6 times, with 0.5 times being the preferred maximum reduction.

Abstract: A microscope apparatus configured to enlarge entrance pupils while maintaining the rotational symmetry of optical systems of a plurality of optical paths after ejection of light from an objective lens to bring out the performance of the objective lens. A microscope apparatus includes an objective lens having a function of collecting light from the object; and optical paths in which all lens groups are rotational symmetric systems and through which light exited from the objective lens passes, wherein when a sum of maximum diameters of entrance pupils of optical systems forming any two of the optical paths is set as ?Di, and an axial luminous flux diameter determined from a maximum aperture angle ? and a focal distance f of the objective lens is set as Dobj, a condition of the following expression is satisfied, ?Di>Dobj where Dobj=2·f·sin ?.

Abstract: An optical system including, in order from an object: 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 fourth lens group having negative refractive power. The second lens group has, in order from the object, a front group having negative refractive power and a rear group. In various embodiments, the following conditional expressions are satisfied, 0.4<f2F/f2<1.6 and ?3.0<q2<?0.3 where f2 denotes a focal length of the second lens group, f2F denotes a focal length of the front group, and q2 denotes a form factor of a negative lens disposed closest to the object of the front group.

Abstract: A transmission type screen for stereoscopic images having a transmission layer includes an incident surface having a gloss surface, a transmission layer having a refractive index less than 1.55, a transmissivity more than 60%, and an imaging surface having surface particle sizes of 40 to 400 mesh that avoids a hot spot. The imaging surface is formed on the final surface through which images are transmitted, so that the components operate in an organic fashion with respect to each other. The polarization degree of stereoscopic images is maximized thereby increasing the three-dimensional effect and the transmissivity, and enables viewers to view images clearly several times better than with a conventional screen.

Abstract: The invention provides an adjusting apparatus and a method thereof for adjusting a 3D image constituted by a plurality of interlaced first-eye-viewed image lines and second-eye-viewed image lines to be outputted to a display panel. However, in practice, there is a leakage problem in a pair of glasses for viewing the 3D image. Therefore, the invention solves the leakage problem by matching a plurality of pre-stored leakage values and then generating a proper output with a corrective calculation.

Abstract: The present invention relates to a system for guiding optical elements, in particular lenses, along an optical axis of a microscope, in particular a stereomicroscope, or of a macroscope, said guide system including at least one guide rod (312, 314) which extends parallel to the optical axis and is at least partially made from a magnetizable material, and further including a carrier (320) for the optical elements, said carrier (320) being displaceable along the at least one guide rod (312, 314) and having means for providing magnetic attraction between itself and at least one guide rod (312, 314); the means for providing magnetic attraction including at least one magnetizable wheel (370, 380, 382) adapted to roll along the at least one guide rod (312, 314) while rotating about an axis as the carrier (320) is displaced; the at least one guide rod (312, 314) being made of magnetizable material and/or the magnetizable wheel (370, 380, 382) being at least in part permanently magnetic.

Abstract: A stereomicroscope includes a microscope main body and a camera for assistant. The microscope main body includes therein an objective optical system, a zoom optical system and an eyepiece optical system. The camera for assistant is detachably mounted to the microscope main body. The microscope main body provides to a main operator a pair of optical images including a certain binocular disparity as viewed from an observation direction of the main operator. The camera for assistant provides to an assistant a pair of electron images including a certain binocular disparity as viewed from an observation direction of the assistant. The observation directions of the main operator and the assistant cross at a certain angle. The camera for assistant outputs the pair of electron images into a stereo viewer which is separated from the microscope main body.

Abstract: A microscope or stereomicroscope for representing an object that can be placed on an object plane of the stereomicroscope provides at least one pair of optical paths and comprises at least one deflection element with a reflecting surface and a representation system containing several optical elements. The optical elements include a plurality of lenses. In addition, the optical elements are configured in such a way that pupil planes of the optical representation paths intersect the reflecting surface of the deflection element or are located at a distance from said reflecting surface less than 1.5 times the diameter of one of the reflecting surfaces along the optical representation paths on the closest lens of the plurality of lenses. An alternative embodiment provides a stereomicroscope with a particularly compact construction, in which at least one pair of optical representation paths is reflected on a first, second, third, and fourth reflecting surface.

Abstract: Stereomicroscope having a main objective (2) and a zoom system (7) provided downstream of the main objective (2), wherein between the objective (2) and the zoom system (7) is provided a first deflector (30) for deflecting viewing beam pencils emanating from the objective (2) into the zoom system, the zoom system (8) comprising substantially horizontally extending magnification and viewing channels (7a to 7d), wherein the first deflector (30) is of semitransparent construction, while a first illuminating device (50; 60, 65) is provided for illuminating an object that is to be viewed through the first deflector 30 and the main objective 2.

Abstract: The invention relates to a microscope or stereomicroscope for representing an object that can be placed on an object plane (1) of the stereomicroscope, the latter providing at least one pair of optical paths (2a, 2b, 2c, 2d) and comprising at least one deflection element with a reflecting surface (3; 3?) and a representation system (26; 26*; 26**; 26?) containing several optical elements. The optical elements comprise a plurality of lenses (4-8, 11, 13, 14, 16?-21?, 16?-21?, 16??-21?? 16??-21??). In addition, the optical elements are configured in such a way, that pupil planes (27a, 27b) of the optical representation paths (2a, 2b) intersect the reflecting surface (3; 3?) of the deflection element or are located at a distance (S, S?; S*, S*?) from said reflecting surface (3; 3?). The distance (S, S?; S*, S*?) is less than 1.5 times, in particular less than 1.

Abstract: An electrically-driven liquid crystal lens, which can be switched between a convex lens and a concave lens by changing an optical path difference based on an electric field application, and a stereoscopic display device using the same are disclosed.

Abstract: A tube of a surgical microscope has a base part, intermediate part, pivotable about a rotational axis on the base part, and an ocular part pivotable about a rotational axis on the intermediate part. The imaging beam path is guided through the base part, intermediate part and pivotable ocular part. The tube has a tube lens system which transfers a parallel imaging beam path into an intermediate image. The parallel imaging beam path enters via an opening in a connecting piece of the base part. The tube has a first displaceable mirror element movable about the rotational axis on the base part. The tube has a further displaceable mirror element movable on the intermediate part about the rotational axis. The first mirror element directs the imaging beam path to the further mirror element. The first mirror element and further mirror element are mounted in the imaging beam path between a lens unit having positive refractive power and a lens unit having negative refractive power.

Abstract: A direct viewing type stereoscopic image display apparatus which can remove a moiré pattern is provided. The direct viewing type stereoscopic image display apparatus includes: a first memory which has a first field image signal divided from an image signal of one frame; a second memory which has a second field image signal divided from the image signal of one frame; a display device which forms a first field image and a second field image according to the first field image signal and the second field image signal; an image shift unit which sequentially shifts the first field image and the second field image; and a viewing zone dividing unit which divides the viewing zones of the first field image and the second field image. Thereby, the second field image is shifted from the first field image by a predetermined distance and thus a moiré pattern is removed and image quality is improved.

Abstract: An operating microscope has a main objective (1) that extends along an objective plane and is penetrated by a binocular main observer beam path and a binocular co-observer beam path. The binocular main observer beam path has two main observation pupils (3a, 3b) in the objective plane with centers on a first straight line (7). The binocular co-observer beam path has two co-observation pupils (5a, 5b) in the objective plane with centers on a second straight line (9). The first and second straight lines (7, 9) intersect. The co-observer beam path can be displaced with respect to the main observer beam path so that the angle between the second and first straight line (9, 7) changes. The center point (6) between the co-observation pupils (5a, 5b) in the objective plane displaces when there is a change in the angle between the second and first imagined straight lines (9, 7).

Abstract: A parallax barrier device includes a pair of transparent-electrode substrates each provided with a transparent electrode. A barrier light-shielding part and a light-transmitting part are formed in a gap between the pair of transparent-electrode substrates. A liquid crystal layer is formed in the barrier light-shielding part. A resin layer having the property of transmitting light is formed in the light-transmitting part. The barrier light-shielding part separates light for a first image viewed from a first direction and light for a second image viewed from a second direction different from the first direction. The light-transmitting part transmits the light for the first image and the light for the second image.

Abstract: Mediums that are arranged opposite to an elemental-image display unit, that form two lens arrays having different principal planes together with substrates, and that switches a polarization direction of incident light corresponding to applied voltage, thereby making lens effect of either one of the lens arrays effective are included. By controlling the polarization direction synchronizing with a display timing of images to be displayed on the elemental-image display unit, the lens array to be effective is switched at each display timing, and images having different near or far direction are alternately displayed on the elemental-image display unit.

Abstract: A stereomicroscope has a rotary mirror to switch an optical path of a beam from an objective optical system between a normal optical path A and an image optical path B. Accordingly, a main operator D1 can keep his or her eyes on eyepieces 15 when switching an optical image through the normal optical path A and an electronic image through the image optical path B from one to another. A zooming optical system 10 is horizontally arranged in the normal optical path A and a high-magnification optical path C is formed on a horizontally outer side of the zooming optical system 10, to reduce a vertical dimension of a body of the microscope and secure a wide work space.

Abstract: A stereo-examination system including an objective arrangement configured to receive an object-side beam bundle emanating from the object plane and to convert the object-side beam bundle into an image-side beam bundle and a selection arrangement configured to select at least one pair of partial beam bundles from the image side beam bundle. The system also includes an image transmission apparatus configured to generate stereoscopic images of an object positionable in the object plane from the at least one pair of partial beam bundles and an illumination arrangement. The illumination arrangement includes a light source, a beam coupler to superpose a beam cross-section of the illumination beam with the image-side beam bundle, and a field of a plurality of state-changing elements. The elements are selectively switchable between a first state directed and a second state in which light of the illumination beam is and is not directed to the object plane.

Abstract: A stereomicroscope of the Greenough type includes a first monocular microscope and a second monocular microscope, which define a first beam path and a second beam path, respectively, wherein the first and second microscopes are arranged at a convergence angle to one another and comprise magnification systems for producing equal magnifications which can be varied synchronously with one another. At least one optical element in the first microscope has a different optically effective diameter compared to at least one corresponding optical element in the second microscope.

Abstract: An aperture stop device is provided for use in a microscope with at least one adjustable observation parameter. The aperture stop device includes at least one aperture stop (50a, 50b) with an adjustable aperture, that is to say with an adjustable stop opening. The aperture stop (50a, 50b) is adapted to receive an aperture signal representative of an aperture to be adjusted. In addition the aperture stop device includes a control unit (52) for output of the aperture signal to the aperture stop (50a, 50b) in dependence at least on the respectively set value of the observation parameter of the microscope.

Abstract: A medical stereo observation system includes a stereo imaging unit producing a first image for a left eye and a second image for a right eye that mutually have parallax and a stereo display unit capable of displaying stereoscopically the images produced by the stereo imaging unit. The stereo imaging unit has a first imaging optical system producing the first image for the left eye and a second imaging optical system producing the second image for the right eye, and focal positions of these imaging optical systems are located far away from the intersection of optical axes of the imaging optical systems, viewed from the stereo imaging unit. Whereby, a large-depth space can be comfortably observed in a wide range and a viewer can observe an observation object without bringing about a feeling of fatigue.

Abstract: An illumination system of a microscopy system comprises an actuator configured to change an angle of an illumination light beam and a mirror assembly, which is selectively positionable into the beam path of the illumination light beam. The mirror assembly may comprise an actuator configured to change an orientation of a mirror with respect to another mirror.

Abstract: The invention relates to an illumination device (1) for a microscope (10) utilizing at least one point light source (4) arranged on a carrier element (2), at least one carrier element (2) for receiving at least one point light source (4), and a holder (5) attachable to the microscope (10) and having an arc-shaped guide (6), being provided, the at least one carrier element (2) being mounted displaceably along the guide (6) in a horizontal plane. According to a further aspect, the illumination device (1) comprises a connector element (20) for attaching the illumination device (1) both to a stationary focusing column (12) and to an adjustable focusing arm (11) of a microscope (10).

Abstract: A device is described for placing at least one optical element in an observation beam path of a light microscope. This device comprises a rotatably mounted support for the at least one optical element and an electric drive for rotating the support. By rotating the rotatably mounted support the at least one optical element is place in or removed from the observation beam path. The support and the drive are coupled by a stepping gear mechanism converting a continuous movement of the drive into a stepwise movement of the support between defined working positions, the working positions being selected such that the optical element assumes a defined position with respect to the observation beam path.

Abstract: An optical imaging system is described, comprising a zoom system for adjusting a variable magnification of the image, wherein the zoom system comprises at least one of a lens assembly and a first SLM optical unit, and an illumination system for illuminating an object to be imaged in an object plane. The illumination system has a second SLM optical unit for adjusting the focal length within the illumination system. This design allows coordinating zoom system and illumination system with one another in a simple manner and provides a compact design.

Abstract: In a microscope comprising an objective and an eyepiece, which displays images of an object sensed by the objective, as well as comprising a camera which records the images of the object sensed by the objective, an eyepiece is provided which senses an image generated by a display, said display displaying the image recorded by the camera.

Abstract: The invention provides a stereoscopic imaging optical system that has a total optical length enough short to be well fit for electron image microscopes. The stereoscopic imaging optical system comprises, in order from its object side, one objective lens OB and a plurality of zoom imaging optical systems ZI. Each zoom imaging optical system ZI comprises, in order from its object side, a positive first group G1, a negative second group G2, an aperture stop AS, a positive third group G# and a positive fourth group G4. The second group moves on an optical axis for zooming, and the fourth group moves on the optical axis in association with the second group for correcting an image position fluctuation incidental on zooming.

Abstract: A model eye that models the optical characteristics of a human eye and is endowed with a grayscale pattern on the ocular fundus model surface is stereographically photographed with a parallax via a stereo photographic optical system. Photographed images are processed to provide calibration data for correcting the shape distortions of the stereo photographic optical system. The calibration data is used to correct a distortion-affected shape data and parallax images obtained in stereographic photography of the actual ocular fundus of a subject's eye. The shape distortion-corrected parallax image is used for a three-dimensional measurement process and 3D display on a stereo monitor. This allows an accurate three-dimensional measurement to be carried out and an accurate fundus image to be produced. The examiner can accurately evaluate the stereo shape of the ocular fundus of the subject's eye.

Abstract: This invention provides a stereoscopic-vision image processing apparatus, a stereoscopic-vision image providing method, and an image display method that are capable of managing specification of display unit on which a stereoscopic-vision image is desired to be displayed as accessory information (assumed display information). The assumed display information includes a type and a display size of the display unit on which a stereoscopic-vision image is desired to be displayed. This allows an appropriate stereoscopic-vision image to be obtained by specifying a type or a display size of the display unit that is desired to be displayed with them being combined with the stereoscopic-vision image and scaling the stereoscopic-vision image up or down, in display of a stereoscopic image, in accordance with the type or the display size of the display unit.

Abstract: The present invention concerns a microscope with at least one optical element (21a, 21b) for optional deflection and/or splitting of a beam path passing through the microscope, wherein the at least one optical element (21a, 21b) is fashioned as a micro-mirror array (80) having a number of individually controllable and adjustable micro-mirrors (82).