Ritchey–chrétien telescope
specialized Cassegrain telescope
Discovery Channel Telescope
Hexapod-Telescope
Galileo National Telescope
New Technology Telescope
Spitzer Space Telescope
Hubble Space Telescope
Search for habitable Planets EClipsing ULtra-cOOl Stars
Nicholas U. Mayall Telescope
Pan-STARRS1
Long Range Reconnaissance Imager
VISTA
Rapid Eye Mount telescope
BTA-6
Nordic Optical Telescope