... Survey Telescopes . ... ESO's VISTA telescope has created the widest deep view of the sky ever made using infrared light. ... The UltraVISTA survey has been devoted to the COSMOS field ( [2] , eso1124 , heic0701 ), an apparently almost empty patch of sky which has already been extensively studied using other telescopes, including the NASA/ESA Hubble Space Telescope [3] . ... ESO, La Silla, Paranal, E-ELT and Survey Telescopes Public Information Officer . ... VISTA stares deep into the cosmos . ...