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Largest binocular telescope

Largest binocular telescope
Who
Large Binocular Telescope, Arizona
Where
United States (Arizona)
When
March 2008
The Large Binocular Telescope comprises two identical telescopes, each with an 8.4 m (27 ft 6 in) diameter main mirror. Working in tandem, they have an equivalent light-gathering power of a single mirror 11.8 m (38 ft 8 in) across. The telescope, located on a mountain top in Arizona, USA, became fully functional in March 2008.