DFM Engineering is an American

telescope A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally meaning only an optical instrument using lenses, curved mirrors, or a combination of both to obse ...

and optics manufacturer founded in 1979 by Frank Melsheimer in Longmont, Colorado. DFM makes medium size

Cassegrain Cassegrain may refer to * Cassegrain reflector, a design used in telescopes * Cassegrain antenna, a type of parabolic antenna * Cassegrain (crater), on the Moon * a Belgian canned vegetables producer now part of Bonduelle S.A. People : * Guillaume ...

telescopes and their associated systems including telescope optics, control systems, and mounts. A range of pre-designed telescopes are made, as are various custom installations. DFM produces its classical Cassegrain design in various apertures from 16 inches (0.4 m) to 50 inches (1.3 m) and larger. The base DFM 16-inch (40 cm) telescope system cost roughly 94 thousand

USD The United States dollar (symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official ...

in 2005. DFM produced a 1.6 m solar telescope for the

Big Bear Solar Observatory Big Bear Solar Observatory (BBSO) is a university-based solar observatory in the United States. It is operated by New Jersey Institute of Technology (NJIT). BBSO has a clear aperture Goode Solar Telescope (GST), which has no obscuration in ...

. The

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

purchased a 1.3 m (51-inch) DFM telescope for the

United States Naval Observatory Flagstaff Station The United States Naval Observatory Flagstaff Station (NOFS), is an astronomical observatory near Flagstaff, Arizona, US. It is the national dark-sky observing facility under the United States Naval Observatory (USNO). NOFS and USNO combine a ...

in Arizona, USA. DFM installations include many universities and institutions, including:

Alfred University Alfred University is a private university in Alfred, New York. It has a total undergraduate population of approximately 1,600 students. The university hosts the New York State College of Ceramics, which includes The Inamori School of Engineerin ...

Appalachian State University Appalachian State University (; Appalachian, App State, App, or ASU) is a public university in Boone, North Carolina. It was founded as a teachers college in 1899 by brothers B. B. and D. D. Dougherty and the latter's wife, Lillie Shull Dough ...

Central Michigan University Central Michigan University (CMU) is a public research university in Mount Pleasant, Michigan. Established in 1892 as the Central Michigan Normal School and Business Institute, the private normal school became a state institution and renamed Cen ...

, Chabot Center, Clay Center-Dexter School,

College of Charleston The College of Charleston (CofC or Charleston) is a public university in Charleston, South Carolina. Founded in 1770 and chartered in 1785, it is the oldest university in South Carolina, the 13th oldest institution of higher learning in the Uni ...

College of Southern Idaho College of Southern Idaho (CSI) is a public community college in Twin Falls, Idaho. It also has off-campus programs in Jerome, Hailey, Burley and Gooding. Until the foundation of the College of Western Idaho in 2007, CSI was one of only two ...

Colorado University The University of Colorado (CU) is a system of public universities in Colorado. It consists of four institutions: University of Colorado Boulder, University of Colorado Colorado Springs, University of Colorado Denver, and the University of C ...

Dickinson College , mottoeng = Freedom is made safe through character and learning , established = , type = Private liberal arts college , endowment = $645.5 million (2022) , president = ...

Emory University Emory University is a private research university in Atlanta, Georgia. Founded in 1836 as "Emory College" by the Methodist Episcopal Church and named in honor of Methodist bishop John Emory, Emory is the second-oldest private institution of h ...

, Embry-Riddle Aeronautical University, Daytona Beach,

Florida Institute of Technology The Florida Institute of Technology (Florida Tech or FIT) is a private research university in Melbourne, Florida. The university comprises four academic colleges: Engineering & Science, Aeronautics, Psychology & Liberal Arts, and Business. A ...

Johns Hopkins University Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hemisphere. It consiste ...

Lewis & Clark College Lewis & Clark College is a Private college, private Liberal arts colleges in the United States, liberal arts college in Portland, Oregon. Originally chartered in 1867 as the Albany Collegiate Institute in Albany, Oregon, the college was relocate ...

Middlebury College Middlebury College is a private liberal arts college in Middlebury, Vermont. Founded in 1800 by Congregationalists, Middlebury was the first operating college or university in Vermont. The college currently enrolls 2,858 undergraduates from all ...

PARI / UNCA Pari or PARI may refer to: Places * Pari, Estonia, a village in Vastseliina Parish, Võru County, Estonia * Pari, Hamadan or Piruz, a village in Hamadan Province, Iran * Pari, Iran, a village in Zanjan Province, Iran * Pari, Civitella Paganico, ...

Rowan University Rowan University is a public research university in Glassboro, New Jersey, with a medical campus in Stratford and medical and academic campuses in Camden. It was founded in 1923 as Glassboro Normal School on a site donated by 107 residents. ...

Westmont College Westmont College is a private Christian liberal arts college in Montecito, California. It was founded in 1937. History Ruth Kerr, owner and CEO of the Kerr Glass Manufacturing Company, established the school as the Bible Missionary Institute i ...

University of Alabama The University of Alabama (informally known as Alabama, UA, or Bama) is a public research university in Tuscaloosa, Alabama. Established in 1820 and opened to students in 1831, the University of Alabama is the oldest and largest of the publi ...

University of Calgary The University of Calgary (U of C or UCalgary) is a public research university located in Calgary, Alberta, Canada. The University of Calgary started in 1944 as the Calgary branch of the University of Alberta, founded in 1908, prior to being inst ...

University of Victoria The University of Victoria (UVic or Victoria) is a public research university located in the municipalities of Oak Bay and Saanich, British Columbia, Canada. The university traces its roots to Victoria College, the first post-secondary insti ...

University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...

University of Montreal A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. ''University'' is derived from the Latin phrase ''universitas magistrorum et scholarium'', which ...

University of Wyoming The University of Wyoming (UW) is a public land-grant research university in Laramie, Wyoming. It was founded in March 1886, four years before the territory was admitted as the 44th state, and opened in September 1887. The University of Wyomin ...

Valdosta State University Valdosta State University (VSU or Valdosta State) is a public university in Valdosta, Georgia. It is one of the four comprehensive universities in the University System of Georgia. , VSU had over 12,000 undergraduate and graduate students. VSU ...

Virginia Military Institute la, Consilio et Animis (on seal) , mottoeng = "In peace a glorious asset, In war a tower of strength""By courage and wisdom" (on seal) , established = , type = Public senior military college , accreditation = SACS , endowment = $696.8 mill ...

Williams College Williams College is a private liberal arts college in Williamstown, Massachusetts. It was established as a men's college in 1793 with funds from the estate of Ephraim Williams, a colonist from the Province of Massachusetts Bay who was kille ...

Academia Sinica Institute of Astronomy and Astrophysics The Academia Sinica Institute of Astronomy and Astrophysics (also known as the Institute of Astronomy and Astrophysics, abbreviated as ASIAA or IAA. ) is a research institute of the national academy of Taiwan, Academia Sinica. ASIAA is currently ...

and

University of the Free State The University of the Free State is a multi-campus public university in Bloemfontein, the capital of the Free State and the judicial capital of South Africa. It was first established as an institution of higher learning in 1904 as a tertiary se ...

. DFM engineering produced the telescope for the ''

Asteroid Terrestrial-impact Last Alert System The Asteroid Terrestrial-impact Last Alert System (ATLAS) is a robotic astronomical survey and early warning system optimized for detecting smaller near-Earth objects a few weeks to days before they impact Earth. Funded by NASA, and developed an ...

'' (ATLAS) project. ATLAS was funded by a grant from NASA and includes initially two telescopes set 100 miles (160 km) apart. The telescopes were tested by DFM in Colorado, U.S. in 2015 and are now operational in the

Hawaiian Islands The Hawaiian Islands ( haw, Nā Mokupuni o Hawai‘i) are an archipelago of eight major islands, several atolls, and numerous smaller islets in the North Pacific Ocean, extending some from the island of Hawaii in the south to northernmost ...

. The telescopes are designed to detect large

near-Earth object A near-Earth object (NEO) is any small Solar System body whose orbit brings it into proximity with Earth. By convention, a Solar System body is a NEO if its closest approach to the Sun (perihelion) is less than 1.3 astronomical units (AU) ...

s and identify those which threaten to impact Earth. DFM also produced the telescope for Meter Class Autonomous Telescope (MCAT). MCAT is designed to look for space debris, with a wide (41 degree) field of view, 4 optics, and 1.4 m aperture. It is a reflecting telescope on a double horseshoe mount. MCAT is located on

Ascension Island Ascension Island is an isolated volcanic island, 7°56′ south of the Equator in the South Atlantic Ocean. It is about from the coast of Africa and from the coast of South America. It is governed as part of the British Overseas Territory o ...

in the South Atlantic Ocean.

References

External links

DFM Engineering, Inc.
{{Authority control Telescope manufacturers Manufacturing companies established in 1979 1979 establishments in Colorado