The 3rd satellite of the Russian solar space programm CORONAS was launched at the end of January, 2009. For this mission LPI designed and produced the TESIS instrument. TESIS is multichannel EUV imager which registers solar corona up to few solar radii in very narrow spectral bands and monochromatic lines with angular resolution ~2 arc seconds and temporal resolution up to 1 second. The instrument details and first observation results will be presented.