Microscope
A microscope and objective lens technology, applied in the microscope field, can solve the problems of insufficient light around the observed image and increased optical path length
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no. 1 approach
[0033] 1 and 2 show a schematic structure of a microscope according to a first embodiment of the present invention, FIG. 1 is a side view, and FIG. 2 is a partial cross-sectional view of the main part of the front. 1 and 2 , parts different from those in FIG. 17 described above will be described, and description of the same parts will be omitted.
[0034] In Fig. 1, the microscope body 20 has a shape of a U-shape when viewed from the side, and the microscope body 20 is composed of three parts: a base portion 20a, a pillar portion 20b, and an arm portion 20c, wherein the base portion 20a is disposed on On a horizontal installation surface, the pillar portion 20b stands upward from one end (the right end in FIG. 1 ) of the base portion 20a, and the arm portion 20c faces the base portion 20a from the upper end of the pillar portion 20b. Extend the settings horizontally. The arm portion 20c has a hollow portion 20d inside thereof. The hollow portion 20d is formed horizontally fr...
no. 2 approach
[0053] FIG. 3 is a side view of an illumination unit applied to a microscope according to a second embodiment of the present invention, and FIG. 4 is a partial plan view of the illumination unit. While referring to FIG. 3 and FIG. 4 , only the parts different from those of the first embodiment will be mainly described, and the description of the same parts will be omitted.
[0054] The lighting unit 41 has a frame body 41a that is inserted into and removed from the arm portion 20c. The housing 41a is provided with a pair of protruding walls 41a1 and 41a2 facing each other at both ends along the illumination light path n. The light source 42 is provided on the protruding wall 41a1 of the housing 41a. The light source 42 is composed of a socket 42b provided on the protruding wall 41a1 and an LED 42a mounted on the socket 42b in a screw-in manner. The LED 42a can be replaced by various components corresponding to the observation method.
[0055] Various boxes corresponding to ...
no. 3 approach
[0065] 6A, 6B and 6C show a lighting unit according to a third embodiment of the present invention. The illumination unit has a plurality of boxes so that bright field observation and differential interference observation can be switched. FIG. 6A is a plan view showing a part of an illumination unit during bright field observation. 6B is a plan view showing a part of the illumination unit during differential interference observation. Fig. 6C is a cross-sectional view of the lighting unit taken along line A-A' of Fig. 6A. Referring to FIG. 6A , FIG. 6B , and FIG. 6C , only the parts that are different from the above-mentioned first embodiment will be mainly described, and the description of the same parts will be omitted.
[0066] The lighting unit 51 has a housing 51a that can be inserted and removed from the arm portion 20c. A pair of support frames 51a1 and 51a2 are provided on the frame body 51a, and the pair of support frames 51a1 and 51a2 face each other in a direction...
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