Results of observations with MPFS in 1998-2007 yrs: abstracts in ADS (95 references) . The Spectrograph is intended for 2D spectrophotometry of the extended objects with medium spectral resolution. ... Main optical parts of the spectrograph : enlarger lens, multi lens array, wide field spectrograph. ... Night sky probe (22 sq. arcsecs) placed on the distance of the 4.5 arcmin from the field of view center. ... off-axis Maksutov f=400 mm, f/3.5 , field of view 10 deg . ... recorded data cube . ...