| 摘要 |
A microscope having switchable illumination in at least two spectral regions; having a common illumination beam path, proceeding from at least one light source, preferably a broad-band light source, for the at least two spectral regions; and having a narrow-band wavelength-selective filter (for example, in the IR or UV wavelength region) that can be inserted into the illumination beam path in order to achieve a wavelength-selective illumination in a first of the at least two spectral regions. A broad-band light protection filter, which can be inserted into the illumination beam path alternatively to the wavelength-selective filter, is associated with the illumination beam path. An apparatus for illumination switchover for a microscope of this kind, having switchable illumination in at least two spectral regions, comprises a mechanical positive coupling of the opposite-direction insertion motions of the wavelength-selective filter and/or of the light protection filter.
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