This year´s summer school, held in Brno in September 1-11, 2015 attended by advanced MSc´s, PhD students, Postdocs and senior astronomers presented modern instruments available for observations in the Optical and IR domains, together with their scientific tasks and performances. Primarily, the ESO instruments (ESO - European Organization for Astronomical Research in the Southern Hemisphere), as well as those available through the Opticon Access Program were features. and Petr Kabáth, Vladimír Karas, Ernst Paunzen.