Stock Photo - Filter wheel Dimensional Metrology Laboratory EMIR project, Instituto Astrofisica de Canarias IAC, La Laguna, Tenerife, Canary Islands, Spain EMIR is a wide-field camera and a multi-object, intermediate resolution near-infrared spectrograph for the GTC telescope Its equipment includes three advanced technology latest generation subsystems, some of which have been specially designed for this project: a robotic reconfigurable slit system for obtaining spectra from up to 50 objects simultaneously, dispersive elements created by combining high quality diffraction gratings, manufactured using photoresist processes, with large-scale conventional prisms, and the HAWAII-2 detector made by Rockwell, which is designed for the near-infrared, has a format of 2048x2048 pixels and is fitted with a new control system developed by the project team EMIR is a second generation instrument that will be installed at the Nasmyth focus of the GTC