Anexo:Telescopios reflectores ópticos por tamaño
artículo de lista de Wikimedia
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Esta es una lista de los mayores telescopios reflectores ópticos ordenados por diámetro del espejo principal.


| Nombre | Imagen | Apertura Efectiva m | Aper. pulgadas | Tipo de espejo | Nacionalidad / Patrocinio | Lugar | Año Ina. |
|---|---|---|---|---|---|---|---|
| Gran Telescopio Canarias (GTC) | 10,4 m | 409″ | Segmented, 36 | Observatorio del Roque de los Muchachos, Islas Canarias, Spain | 2006/9 | ||
| Hobby-Eberly Telescope (HET) 11 m × 9.8 m mirror | 10 m[2] | 394″ | Segmented, 91 | McDonald Observatory, Texas, Estados Unidos | 1997 | ||
| Keck 1 | 10 m | 394″ | Segmented, 36 | Mauna Kea Observatories, Hawái, Estados Unidos | 1993 | ||
| Keck 2 | 10 m | 394″ | Segmented, 36 | Mauna Kea Observatories, Hawái, Estados Unidos | 1996 | ||
| Southern African Large Telescope (SALT) 11 m × 9.8 m mirror[3] | 9,2 m | 362″ | Segmented, 91 | [[United Kingdom| |
South African Astronomical Obs., Northern Cape, Sudáfrica | 2005 | |
| Large Binocular Telescope (LBT) Phased-array optics for combined 11.9 m[4] | 8,4 m × 2 | 330″ × 2 | Multiple mirror, 2 | [[United Kingdom| |
Mount Graham International Observatory, Arizona, Estados Unidos | 2004 | |
| Subaru (JNLT) | 8,2 m | 323″ | Single | Mauna Kea Observatories, Hawái, Estados Unidos | 1999 | ||
| VLT UT1 – Antu | 8,2 m | 323″ | Single | Europa | Paranal Observatory, Antofagasta Region, Chile | 1998 | |
| VLT UT2 – Kueyen | 8,2 m | 323″ | Single | Europa | Paranal Observatory, Antofagasta Region, Chile | 1999 | |
| VLT UT3 – Melipal | 8,2 m | 323″ | Single | Europa | Paranal Observatory, Antofagasta Region, Chile | 2000 | |
| VLT UT4 – Yepun | 8,2 m | 323″ | Single | Europa | Paranal Observatory, Antofagasta Region, Chile | 2001 | |
| Gemini North (Gillett) | 8,1 m | 318″ | Single | Mauna Kea Observatories, Hawái, Estados Unidos | 1999 | ||
| Gemini South | 8,1 m | 318″ | Single | Cerro Pachón (CTIO), Coquimbo Region, Chile | 2001 | ||
| MMT (1 x 6.5 m) | 6,5 m | 256″ | Single | F. L. Whipple Obs., Arizona, Estados Unidos | 2000 | ||
| Magellan 1 (Walter Baade)[5] | 6,5 m | 256″ | Honeycomb | Las Campanas Obs., Coquimbo Region, Chile | 2000 | ||
| Magellan 2 (Landon Clay) | 6,5 m | 256″ | Honeycomb | Las Campanas Obs., Coquimbo Region, Chile | 2002 | ||
| BTA-6 | 6 m | 238″ | Single |
| |||
| Large Zenith Telescope (LZT) | 6 m | 236″ | Liquid | Maple Ridge, British Columbia, Canadá | 2003 | ||
| Hale Telescope (200 inch) | 5,08 m | 200″ | Single | Palomar Observatory, California, USA | 1948 | ||
| LAMOST (6.67 m × 6.05 m + 5.72 m × 4.40 m corrector; effective aperture 3.6–4.9 m) | 4.9 m–3.6 m[6] | 193″ | Segmented (37 + 24)[7] | Beijing Astronomical Obs., Xinglong, China | 2008 | ||
| MMT (original optics: 6 × 1.8 m) →see above record for current 6.5 m mirror | 4,7 m (6×1.8 m)[8] | 186″ | Segmented, 6 | F. L. Whipple Obs., Arizona, USA | 1979–1998 | ||
| Discovery Channel Telescope[9] | 4,3 m | 169″ | Single | Lowell Observatory, Happy Jack, Arizona, USA | 2012 | ||
| William Herschel Telescope | 4,2 m | 165″ | Single | Roque de los Muchachos Obs., Canary Islands, Spain | 1987 | ||
| SOAR | 4,1 m | 161″ | Single | Cerro Pachón (CTIO), Coquimbo Región, Chile | 2002 | ||
| VISTA | 4,1 m | 161″ | Single | Europa | Paranal Observatory, Antofagasta Región, Chile | 2009 | |
| Victor M. Blanco Telescope | 4 m | 157″ | Single | Cerro Tololo Inter-American Obs., Coquimbo Región, Chile | 1976 | ||
| Nicholas U. Mayall 4 m[10] | 4 m | 158″ | Single | Kitt Peak National Obs., Arizona, USA | 1973 | ||
| Anglo-Australian Telescope (AAT) | 3,89 m | 154″ | Single | Australian Astronomical Obs., New South Wales, Australia | 1974 | ||
| 3.67 m AEOS Telescope (AEOS) | 3,67 m | 145″ | Single | Air Force Maui Optical Station, Hawái, USA | 1996 | ||
| 3.6 m Devasthal Optical Telescope[11] (DOT) | 3,60 m | 141″ | Single | ARIES Devasthal Observatory, Nainital, India | 2016 | ||
| Telescopio Nazionale Galileo (TNG) | 3,58 m | 138″ | Single | Roque de los Muchachos Obs., Canary Islands, Spain | 1997 | ||
| New Technology Telescope (NTT) | 3,58 m | 142″ | Single | Europa | La Silla Observatory, Coquimbo Region, Chile | 1989 | |
| Canada-France-Hawaii Telescope (CFHT) | 3,58 m | 141″ | Single | Mauna Kea Observatories, Hawái, USA | 1979 | ||
| ESO 3.6 m Telescope | 3,57 m | 140″ | Single | Europa | La Silla Observatory, Coquimbo Región, Chile | 1977 | |
| MPI-CAHA 3,5 m[12] | 3.5 m | 138″ | Single | Calar Alto Obs., Almería, Spain | 1984 | ||
| USAF Starfire 3.5 m[13] | 3,5 m | 138″ | Single | Starfire Optical Range, Nuevo México, USA | 1994 | ||
| WIYN Telescope | 3,5 m | 138″ | Single | Kitt Peak National Obs., Arizona, USA | 1994 | ||
| Space Surveillance Telescope | 3,5 m | 138″ | Single | White Sands Missile Range, Nuevo México, USA | 2011 | ||
| Astrophysical Research Consortium (ARC) | 3,48 m | 137″ | Single | Apache Point Obs., Nuevo México, USA | 1994 | ||
| Shane Telescope | 3,05 m | 120″ | Single | Lick Observatory, California, USA | 1959 | ||
| NASA Infrared Telescope Facility | 3.0 m | 120″ | Single | Mauna Kea Observatory, Hawái, USA | 1979 | ||
| NASA-LMT →retired, private[14] | 3 m | 118″ | Liquid | NASA Orbital Debris Obs., Nuevo México, USA | 1995–2002 | ||