... United Kingdom . ... ESO . ... The ESO Very Large Telescope (VLT) at the Paranal Observatory is being equipped with many state-of-the-art astronomical instruments that will allow observations in a large number of different modes and wavebands [1] . ... Each of the IFUs looks like an insect's eye and images a small sky area (3 x 2 arcsec 2 ) with a multiple microlens. ... Late last year, the€а ESO Very Large Telescope (VLT) at the€а Paranal Observatory received its newest instrument,€а NAOS-CONICA . ...