Microscope device
A technology of microscope and objective lens, applied in the field of zoom lens
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[0061] Next, examples of the present embodiment will be described with reference to the drawings.
[0062] Table 1 and Table 2 are shown below, which are tables of parameters related to the zoom lenses 12a and 12b of the first and second embodiments. In [Overall Parameters], Y represents the image height, NA represents the numerical aperture, and TL represents the total length (maximum value) of the objective lens. In addition, in [Lens Parameters], the surface number indicates the order of lens surfaces from the object side along the traveling direction of light rays, r indicates the radius of curvature of each lens surface, and d indicates from each optical surface to the next optical surface (or The distance on the optical axis from the image plane) is the plane interval, nd represents the refractive index for the d-line (wavelength 587.6nm), and vd represents the Abbe number for the d-line. In [Variable Space Data], f represents the focal length of the entire lens system,...
no. 1 Embodiment
[0065] use Figure 1 to Figure 7 and Table 1 illustrate the microscope device MS of the first embodiment. Such as figure 1 As shown, in the microscope apparatus MS of this embodiment, the light emitted from the specimen 1 passes through the objective lens 2 to become a parallel light beam, and enters the lens group 3 constituting the imaging lens. During visual observation, a prism 4 is inserted in the optical path, and the light emitted from the lens group 3 is deflected by the prism 4 to guide the light to the optical path for visual observation. Like 6. The observer 8 observes the primary image 6 through the eyepiece 7 . In addition, at the time of imaging, the prism 4 is removed from the optical path, and the light emitted from the lens group 3 is guided to the imaging optical path, deflected by the reflector 9 provided in the optical path, and formed by the lens group 10 constituting the imaging lens. Like 11 at a time. The light from the primary image 11 passes thro...
no. 2 Embodiment
[0095] use Figure 8 ~ Figure 14 and Table 2 illustrate the microscope device MS' of the second embodiment. Such as Figure 8 As shown, in the microscope apparatus MS' of this embodiment, the light emitted from the specimen 1 passes through the objective lens 2 to become a parallel light beam, and enters the lens group 3 constituting the imaging lens. During visual observation, a prism 4 is inserted in the optical path, and the light emitted from the lens group 3 is deflected by the prism 4 to guide the light to the optical path for visual observation. Like 6. The observer 8 observes the primary image 6 through the eyepiece 7 . In addition, at the time of imaging, the prism 4 is removed from the optical path, and the light emitted from the lens group 3 is guided to the imaging optical path, deflected by the reflector 9 provided in the optical path, and formed by the lens group 10 constituting the imaging lens. Like 11 at a time. The light from the primary image 11 passes ...
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