High-resolution spectrograph for the 10-m Gran Telescopio Canarias (GTC) based on components from UES, a spectrograph which was in use at the 4.2-m William Herschel Telescope (WHT) between 1992 and 2001.

New multi-object spectrograph planned for the 4.2m William Herschell Telescope (WHT) located in the Observatorio del Roque de los Muchachos, on La Palma island.

TIP II is an improvement of the Tenerife Infrared polarimeter (TIP) built by the IAC for the VTT telescope in the Teide Observatory. TIP II includes a new detector, and new data acquisition and control systems. It is installed in the GREGOR telescope, ans is used with the GRIS spectrograph.