Canon

Canon USA Inc., to Supply 120 EF 400mm f / 2.8L IS II USM Lenses for Dragonfly Telephoto Network Expansion Project

Canon USA Inc., a leader in digital imaging solutions, announced that the company will provide technical assistance to Project Dragonfly, an international research team at Yale University, and the University of Toronto, in its project to expand the Dragonfly telephoto lens network. The company will supply 120 large-aperture Canon EF 400mm f / 2.8L IS II USM monofocal lenses to the project, and its parent company, Canon Inc., will provide technical support.

The Dragonfly Telephoto Lenses Array is a telescope array equipped with several Canon ?? wide aperture super-telephoto single focal length lenses. specifically, the Canon EF 400mm f / 2.8L IS II USM lens. The telescope was designed in 2013 by Project Dragonfly, an international research team from Yale University and the University of Toronto. The Dragonfly telephoto lens array is capable of capturing images of galaxies so faint and large that they have escaped detection even by the largest conventional telescopes. Its mission is to study the universe at low surface light in order to elucidate the nature of dark matter and to use the concept of distributed telescopes.

In support of this research, Canon provided technical assistance by supplying 40 Canon EF 400mm f / 2.8L IS II USM lenses in 2015, expanding the line to 48 lenses with 24 telescopes grouped together on two separate mounts. Since then, the research team has produced significant results in extragalactic astronomy, including the discovery of the ultra-diffuse galaxy Dragonfly 44 in 2016 and the identification of a galaxy devoid of dark matter, NGC 1052-DF2, in 2018. .

This time, Canon will provide technical assistance by providing 120 Canon EF 400mm f / 2.8L IS II USM lenses to the research team, expanding the range of telescopes. With a total of 168 lenses, the telescope array has a light collecting capacity equivalent to that of a refracting telescope 1.8 meters in diameter, with a focal length of only 40 cm, and is expected to open new windows on the universe.

Canon is committed to contributing to the development of science and technology by leveraging the technological strengths it has cultivated as a leading imaging company.

Message from Professor Pieter van Dokkum of Yale University comments

The Dragonfly Telephoto Array is the ultimate study telescope for finding faint and diffuse objects in the night sky. This allowed us to discover ultra-diffuse galaxies and other low-light surface phenomena – rendering images that deepen our understanding of galaxy formation and provide key information about the nature of dark matter. The original array was fitted with 48 Canon EF 400mm telephoto lenses with anti-reflective coatings that mitigate the effects of light scattering, overcoming the limitations of conventional telescopes in detecting weak structures. The lenses are coupled to large field monolithic detectors which provide excellent error control. With the addition of 120 of these lenses, in a newly developed configuration allowing the use of extremely narrow filters, Dragonfly will be the most powerful wide-field spectroscopic linear mapping machine available. One of the main goals of the next iteration of the Dragonfly network is to detect and study weak gas thought to exist around and between galaxies. By opening this new window to the cosmos, Dragonfly will address some of the most critical questions in astrophysics today.

About Canon USA, Inc.
Canon USA, Inc. is a leading provider of consumer, business-to-business, and industrial digital imaging solutions in the United States and Latin America and the Caribbean markets. With worldwide sales of approximately $ 30.4 billion, its parent company, Canon Inc. (NYSE: CAJ), ranks third in the overall ranking of US patents granted in 2020 ?? and is one of Fortune ?? s magazines The world’s most admired companies in 2020. Canon USA is dedicated to its Kyosei philosophy of social and environmental responsibility. To stay up to date on the latest Canon USA news, subscribe to the company’s RSS news feed by visiting www.usa.canon.com/rss and follow us on Twitter @CanonUSA.

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