Primary Mirror Collection

Cassegrain reflector, artwork C017 / 7061
Cassegrain reflector. Computer artwork of parallel beams of monochromatic light passing through a simple Cassegrain reflector

Reflaction and Telescope Optics C017 / 3507
Plate from 18th century encyclopedia showing diagrams of telescope optics, and light raypaths through prisms and lenses to the eye

Newtonian reflecting telescope, artwork C017 / 7062
Newtonian reflecting telescope. Computer artwork of parallel beams of monochromatic light passing through a Newtonian reflecting telescope

Mayall 4m reflecting telescope, Kitt Peak C013 / 5311
Mayall 4m telescope inside its protective dome at Kitt Peak National Observatory, Arizona. The reflecting telescope has a 4m-diameter primary mirror, supported within the white structure at centre

2. 3m Bok telescope dome, Kitt Peak C013 / 5310
Bok 2.3m telescope dome, Kitt Peak National Observatory, Arizona. The reflecting telescope has a 2.3m-diameter primary mirror. McMath solar telescope is visible in the backgound

Mayall 4m telescope dome, Kitt Peak C013 / 5309
Mayall 4m telescope dome, Kitt Peak National Observatory, Arizona. The reflecting telescope has a 4m-diameter primary mirror

Primary mirror of the Hobby-Eberly Telescope
Hobby-Eberly telescope. Astronomer with the primary mirror of the Hobby-Eberly Telescope (HET). Commissioned in late 1997, the HET has the worlds largest primary mirror

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