Sources:
-Tescan Vega-3 LMU - Unique Features.pdf: http://www.emc.sc.edu/sites/default/files/Tescan%20Vega-3%20LMU%20-%20Unique%20Features%20(1).pdf
-VEGA_manual_GEN_3_04_tisk.pdf: http://www.ualberta.ca/ACSES/ACSES3/instrumentation/instruments/Vega-3_files/VEGA_manual_GEN_3_04_tisk.pdf