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A microscope, which moves an objective lens along an observation optical axis with respect to a specimen, includes an imaging unit and a supporting unit. The imaging unit has an imaging lens, which is arranged on the observation optical axis and forms an observation image of the specimen, and an ima

A microscope, which moves an objective lens along an observation optical axis with respect to a specimen, includes an imaging unit and a supporting unit. The imaging unit has an imaging lens, which is arranged on the observation optical axis and forms an observation image of the specimen, and an imaging element, which is arranged on the observation optical axis and takes the observation image, and is optically connected to the objective lens by a parallel light flux. The supporting unit fixedly supports the imaging unit, and movably supports the objective lens.

대표청구항 ▼

1. A microscope comprising: an objective lens;an imaging unit that has an imaging lens for forming an observation image of a specimen, and an imaging element for taking the observation image, the imaging lens and the imaging element being arranged on an observation optical axis, and the imaging unit

1. A microscope comprising: an objective lens;an imaging unit that has an imaging lens for forming an observation image of a specimen, and an imaging element for taking the observation image, the imaging lens and the imaging element being arranged on an observation optical axis, and the imaging unit being optically connected to the objective lens by a parallel light flux;a supporting unit that fixedly supports the imaging unit, and movably supports the objective lens along the observation optical axis independently of the imaging unit; andan epi-illumination projecting unit that is supported by the supporting unit with a fixed, relative position with respect to the objective lens, moves together with movement of the objective lens along the observation optical axis, and lets illumination light fall on the objective lens. 2. The microscope according to claim 1, further comprising a rotary holding unit that holds the supporting unit so that the supporting unit can turn around a horizontal axis line. 3. The microscope according to claim 2, wherein the rotary holding unit holds a lower end of the supporting unit or near the lower end so that the supporting unit can turn. 4. The microscope according to claim 1, further comprising: a box-like enclosure that is movably supported by the supporting unit; anda magnification converting unit that has at least two zoom lenses arranged on the observation optical axis, and changes the observation magnification by moving any of the zoom lenses along the observation optical axis, whereinthe epi-illumination projecting unit and the magnification converting unit are provided within the enclosure,the objective lens is mounted on the lower part of the enclosure, andthe objective lens moves along the observation optical axis with movement of the enclosure. 5. The microscope according to claim 4, wherein the epi-illumination projecting unit reflects the illumination light to the side of the objective lens, and has an optical-path splitting element that lets observation light reflected from the specimen therethrough, andthe optical-path splitting element is arranged on the observation optical axis between the magnification converting unit and the objective lens. 6. The microscope according to claim 4, further comprising a motor for generating power for movement of the enclosure. 7. The microscope according to claim 1, wherein the imaging unit has an optical-path changing element that changes an optical path of an observation light reflected from the specimen in a horizontal direction, and the imaging lens and the imaging element are arranged on an observation optical axis of the observation light of which the optical path is changed by the optical-path changing element. 8. The microscope according to claim 1, further comprising a revolving nosepiece that holds a plurality of objective lenses, and sets a desired objective lens out of the plurality of objective lenses on the observation optical axis, wherein the objective lens optically connected to the imaging unit is the objective lens set on the observation optical axis by the revolving nosepiece. 9. The microscope according to claim 1, wherein the imaging lens focuses a parallel light flux from the side of the objective lens.