Abstract: An inverted microscope system provided with a transillumination subsystem that illuminates a sample includes: an eyepiece lens; an objective; a tube lens; a projection device, disposed below the objective, that projects a projected image based on projected image data onto an image plane where an optical image is formed; a first modulation element included in the transillumination subsystem; a second modulation element disposed between the objective and the tube lens; and a processor and a memory, the processor being configured to perform the following steps: generating an analysis result that specifies a candidate cell that is a reproductive cell suitable for fertilization, based on at least the digital image data acquired by the imaging device; and generating the projected image data based on the generated analysis result, wherein the projected image includes a first assisting image that specifies the candidate cell as an assisting image that assists with micro-insemination.

Abstract: A microscope system includes an eyepiece, an objective, a tube lens that is disposed between the eyepiece and the objective, a projection apparatus that projects a projection image onto an image plane on which an optical image is formed by the tube lens, and a processor that performs processes. The processes include performing for digital image data of the sample at least one analysis process selected from a plurality of analysis processes, and generating projection image data representing the projection image on the basis of the analysis result and the at least one analysis process. The projection image data indicates the analysis result in a display format including an image color corresponding to the at least one analysis process. The generating the projection image data includes determining a color for the projection image in accordance with the at least one analysis process selected from the plurality of analysis processes.

Abstract: To provide an optical film having excellent visibility in the wide angle direction. An optical film including at least one resin selected from the group consisting of a polyimide-based resin and a polyamide-based resin, wherein the optical film satisfies Formula (1): 0?Ts?0.35??(1) wherein Ts represents a scattered light ratio (%) and is defined as Ts=Td/Tt×100, Td and Tt represent a diffuse light transmittance (%) and a total light transmittance (%), measured in accordance with JIS K-7136, respectively.

Abstract: To provide an optical film having excellent visibility in a wide angle direction. An optical film including at least one resin selected from the group consisting of a polyimide-based resin and a polyamide-based resin and having a total light transmittance of 85% or more and a haze of 0.5% or less, wherein when a direction parallel to a machine direction in a plane of the optical film during production of the optical film is defined as an MD direction and a direction vertical to the machine direction is defined as a TD direction, a first transmission image clarity value C60(MD) in a direction inclined 60° in the MD direction from a vertical direction to the plane of the optical film, a second transmission image clarity value C60(TD) in a direction inclined 60° in the TD direction from the vertical direction, and a third transmission image clarity value C0 of the vertical direction which are obtained when a width of an optical comb is 0.

Abstract: To provide an optical film having excellent visibility in a wide angle direction. An optical film including a polyimide-based resin and a polyamide-based resin and having a total light transmittance of 85% or more and a haze of 0.5% or less, in which, when a direction parallel to a machine direction in a plane of the optical film during production of the optical film is defined as an MD direction and a direction vertical to the machine direction is defined as a TD direction, for at least any one surface of the optical film, a first reflection image clarity value CMD in a direction inclined 60° in the MD direction from a vertical direction to the plane of the optical film and a second reflection image clarity value CTD in a direction inclined 60° in the TD direction from the vertical direction which are obtained when a slit width of an optical comb is 0.125 mm in accordance with JIS K 7374 satisfy Formula (1) 45%?CMD?100%??(1), Formula (2) 30%?CTD?100%??(2), and Formula (3) 35%?(CMD+CTD)/2?100%??(3).

Abstract: An inverted microscope system provided with a transillumination subsystem that illuminates a sample includes: an eyepiece lens; an objective; a tube lens; a projection device, disposed below the objective, that projects a projected image based on projected image data onto an image plane where an optical image is formed; a first modulation element included in the transillumination subsystem; a second modulation element disposed between the objective and the tube lens; and a processor and a memory, the processor being configured to perform the following steps: generating an analysis result that specifies a candidate cell that is a reproductive cell suitable for fertilization, based on at least the digital image data acquired by the imaging device; and generating the projected image data based on the generated analysis result, wherein the projected image includes a first assisting image that specifies the candidate cell as an assisting image that assists with micro-insemination.

Abstract: A microscope system includes an eyepiece, an objective, a tube lens that is disposed between the eyepiece and the objective, a projection apparatus that projects a projection image onto an image plane on which an optical image is formed by the tube lens, and a processor that performs processes. The processes include performing for digital image data of the sample at least one analysis process selected from a plurality of analysis processes, and generating projection image data representing the projection image on the basis of the analysis result and the at least one analysis process. The projection image data indicates the analysis result in a display format including an image color corresponding to the at least one analysis process. The generating the projection image data includes determining a color for the projection image in accordance with the at least one analysis process selected from the plurality of analysis processes.

Abstract: A film having excellent optical homogeneity, which is suitably used as an optical film in an image display device, and a method for manufacturing the same. Moreover, an evaluation method which can evaluate the optical homogeneity of the film with a higher precision than in conventional evaluation methods is provided. A film that is a cast film containing a resin having a weight average molecular weight of 200,000 or more, wherein, when line profiles in a direction h and a direction v which are orthogonal to each other in a film inverse space image obtained by Fourier transforming a projection image obtained by a projection method using the cast film are a line profile h and a line profile v.

Abstract: To provide an optical film having excellent visibility in the wide angle direction. An optical film including at least one resin selected from the group consisting of a polyimide-based resin and a polyamide-based resin, wherein the optical film satisfies Formula (1): 0?Ts?0.35??(1) wherein Ts represents a scattered light ratio (%) and is defined as Ts=Td/Tt×100, Td and Tt represent a diffuse light transmittance (%) and a total light transmittance (%), measured in accordance with JIS K-7136, respectively.

Abstract: To provide an optical film having excellent visibility in a wide angle direction. An optical film including at least one resin selected from the group consisting of a polyimide-based resin and a polyamide-based resin and having a total light transmittance of 85% or more and a haze of 0.5% or less, wherein when a direction parallel to a machine direction in a plane of the optical film during production of the optical film is defined as an MD direction and a direction vertical to the machine direction is defined as a TD direction, a first transmission image clarity value C60(MD) in a direction inclined 60° in the MD direction from a vertical direction to the plane of the optical film, a second transmission image clarity value C60(TD) in a direction inclined 60° in the TD direction from the vertical direction, and a third transmission image clarity value C0 of the vertical direction which are obtained when a width of an optical comb is 0.

Abstract: To provide an optical film having excellent visibility in a wide angle direction. An optical film including a polyimide-based resin and a polyamide-based resin and having a total light transmittance of 85% or more and a haze of 0.5% or less, in which, when a direction parallel to a machine direction in a plane of the optical film during production of the optical film is defined as an MD direction and a direction vertical to the machine direction is defined as a TD direction, for at least any one surface of the optical film, a first reflection image clarity value CMD in a direction inclined 60° in the MD direction from a vertical direction to the plane of the optical film and a second reflection image clarity value CTD in a direction inclined 60° in the TD direction from the vertical direction which are obtained when a slit width of an optical comb is 0.

Abstract: A microscope includes: a main body having: a base portion; a pillar portion vertically disposed on part of an outer edge portion of the base portion; and an arm portion extending from an end of the pillar portion to face the base portion, an opposite end of the pillar portion connecting to the base portion; an objective lens support portion provided on one side of the arm portion facing the base portion and configured to hold an objective lens that is detachable from the objective lens support portion; an observation portion provided on an opposite side of the arm portion and configured to hold an eyepiece that is detachable from the observation portion; and an optical unit configured to hold an optical element. The arm portion includes a holding portion configured to hold the optical unit at a position intersecting with an optical axis of the objective lens.

Abstract: In a microscope having a plurality of optical units each including a filter block between an objective and a tube lens, the optical unit closest to the objective among the plurality of optical units includes a first filter block provided with an optical filter having a first effective diameter. The optical unit closest to the tube lens among the plurality of optical units includes a second filter block provided with an optical filter having a second effective diameter larger than the first effective diameter.

Abstract: An inverted microscope system includes an objective lens holding unit that holds an objective lens configured to collect at least observation light from a specimen, a tube lens configured to form an image using the observation light collected by the objective lens, a total internal reflection fluorescence microscopy optical system provided between the objective lens and the tube lens and configured to observe the observation light from the specimen using a total reflection illumination, and a disk scanning confocal optical system including a rotary disk on which a confocal opening is formed, the confocal opening being placed at a position substantially conjugate to a focus position of the objective lens. A relative distance between the focus position of the objective lens and the substantially conjugate position is changeable along an optical path of the observation light.

Abstract: An inverted microscope that allows observation of a specimen from underneath includes an objective lens holding unit that holds an objective lens configured to collect at least observation light from the specimen, a tube lens configured to focus the observation light collected by the objective lens, a branching unit configured to branch an optical path of the observation light from the tube lens, and an observation image switching device that is removably provided in a microscope main body between the objective lens and the tube lens and is configured to switch between wavelengths of an observation image or between magnifications of the observation image.

Abstract: An inverted microscope system includes an objective lens holding unit that holds an objective lens configured to collect at least observation light from a specimen, a tube lens configured to form an image using the observation light collected by the objective lens, a total internal reflection fluorescence microscopy optical system provided between the objective lens and the tube lens and configured to observe the observation light from the specimen using a total reflection illumination, and a disk scanning confocal optical system including a rotary disk on which a confocal opening is formed, the confocal opening being placed at a position substantially conjugate to a focus position of the objective lens. A relative distance between the focus position of the objective lens and the substantially conjugate position is changeable along an optical path of the observation light.

Abstract: An inverted microscope that allows observation of a specimen from underneath includes an objective lens holding unit that holds an objective lens configured to collect at least observation light from the specimen, a tube lens configured to focus the observation light collected by the objective lens, a branching unit configured to branch an optical path of the observation light from the tube lens, and an observation image switching device that is removably provided in a microscope main body between the objective lens and the tube lens and is configured to switch between wavelengths of an observation image or between magnifications of the observation image.

Abstract: In a microscope having a plurality of optical units each including a filter block between an objective and a tube lens, the optical unit closest to the objective among the plurality of optical units includes a first filter block provided with an optical filter having a first effective diameter. The optical unit closest to the tube lens among the plurality of optical units includes a second filter block provided with an optical filter having a second effective diameter larger than the first effective diameter.

Abstract: A microscope includes a microscope main unit including a stage on which a specimen is to be placed; and a light source provided on the microscope main unit and emitting illumination light for illuminating the specimen. The microscope also includes a main power supply operable to be turned on and off; a sensor that senses the presence or absence of a subject in a front or side area of the microscope main unit; a determining unit that determines based on a result of the sensing whether the subject moves; and a control unit that turns on the light source when the main power supply is turned on, maintains the light source in an ON state when the determining unit determines that the subject moves, and turns off the light source when the determining unit determines that the subject does not move and a predetermined period of time passes.