Monochromator-spectrographs MSO350 series are general-purpose spectral instruments which can be used as monochromators or spectrographs with a large flat focal field. They are completely automated spectral devices with a focal length of 350 mm and F-number of  3.8.

Model MSO3501i and model MSO3504i have the astigmatism-corrected optics what makes these devices applicable in multi-channel spectroscopy.

Automated four-grating turret (model MSO3504 and model MSO3504i) provides a fast switching of gratings with high repeatability of the set wavelength.

In model MSO3501 and model MSO3501i a single-position holder is used for easy manual switching of gratings.
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