|   | 
			Size1 | 
			Focal Ratio2 | 
			Casting Date3 | 
			Telescope/Observatory | 
		
		
			| 1) | 
			1.8 | 
			1.0 | 
			06/17/1985 | 
			Vatican Advanced Technology Telescope | 
		
		
			| 2) | 
			1.2 | 
			1.9 | 
			11/11/1987 | 
			Smithsonian Astrophysical Observatory | 
		
		
			| 3) | 
			3.5 | 
			1.75 | 
			04/26/1988 | 
			Astrophysical Research Consortium | 
		
		
			| 4) | 
			3.5 | 
			1.75 | 
			12/09/1988 | 
			Wisconsin-Indiana-Yale-NOAO | 
		
		
			| 5) | 
			3.5 | 
			1.5 | 
			06/28/1989 | 
			US Air Force Starfire Optical Range | 
		
		
			| 6) | 
			6.5 | 
			1.25 | 
			04/03/1992 | 
			Multiple Mirror Telescope Conversion | 
		
		
			| 7) | 
			6.5 | 
			1.25 | 
			02/03/1994 | 
			Magellan I, Las Campanas Observatory | 
		
		
			| 8) | 
			8.4 | 
			1.14 | 
			06/10/1997 | 
			Large Binocular Telescope I | 
		
		
			| 9) | 
			6.5 | 
			1.25 | 
			09/15/1998 | 
			Magellan II, Las Campanas Observatory | 
		
		
			| 10) | 
			8.4 | 
			1.14 | 
			05/20/2000 | 
			Large Binocular Telescope II | 
		
		
			| 11) | 
			6.5 | 
			1.25 | 
			04/04/2002 | 
			Lockheed Martin Corporation | 
		
		
			| 12) | 
			8.4 | 
			2.14* | 
			07/23/2005 | 
			Giant Magellan Telescope I | 
		
		
			| 13) | 
			3.8 | 
			3.4 | 
			08/28/2006 | 
			Test Optic, Mirror Lab | 
		
		
			| 14) | 
			8.4 | 
			1.2 | 
			03/29/2007 | 
			Vera C. Rubin Observatory | 
		
		
			| 15) | 
			6.5 | 
			1.25 | 
			08/26/2009 | 
			Tokyo Atacama Observatory | 
		
		
			| 16) | 
			1.2 | 
			1.9 | 
			09/10/2010 | 
			Smithsonian Astrophysical Observatory | 
		
		
			| 17) | 
			8.4 | 
			2.14* | 
			01/15/2012 | 
			Giant Magellan Telescope II | 
		
		
			| 18) | 
			8.4 | 
			2.14* | 
			08/25/2013 | 
			Giant Magellan Telescope III | 
		
		
			| 19) | 
			8.4 | 
			2.14* | 
			09/18/2015 | 
			Giant Magellan Telescope IV (center mirror) | 
		
		
			| 20) | 
			8.4 | 
			2.14* | 
			11/04/2017 | 
			Giant Magellan Telescope V | 
		
		
			| 21) | 
			6.5 | 
			1.25 | 
			09/24/2019 | 
			To be announced | 
		
		
			| 22) | 
			8.4 | 
			2.14* | 
			03/06/2021 | 
			Giant Magellan Telescope VI | 
		
		
			| 23) | 
			6.5 | 
			1.25 | 
			05/07/2022 | 
			Multiplexed Survey Telescope (MUST) | 
		
		
			| 24) | 
			8.4 | 
			2.14* | 
			09/00/2023 | 
			Giant Magellan Telescope VII | 
		
		
			|   | 
			1Meters | 
			2Focal length/diameter | 
			3Casting date | 
			*Off-axis segment |