Canon Develops New Camera-Lens Optical Element That Enables Extremely High Levels of Chromatic Aberration Correction
August 27 2015 - 12:05AM
Business Wire
Canon U.S.A., Inc., a leader in digital imaging solutions, today
announced that its parent company, Canon Inc., has developed Blue
Spectrum Refractive (BR), a new optical element for use in camera
lenses that corrects chromatic aberrations at an extremely high
level to achieve superb imaging performance.
The new Canon-developed BR optical element offers
characteristics that significantly refract blue light, which lies
within the short-wavelength range, to achieve impressive levels of
chromatic aberration correction for outstanding imaging
performance. The BR optical element, positioned between two glass
lens elements to create a BR lens, will make its debut in the new
EF 35mm f/1.4L II USM wide-angle fixed-focal-length lens, which is
scheduled to go on sale in October 2015.
Natural light, or white light, comprises a spectrum of
wavelengths, or colors, each of which realizes a unique refractive
index when passing through a lens. As all colors do not converge on
the same point, this disparity causes chromatic aberrations, or
color fringing, to occur in an image.
Canon develops optical elements by reviewing organic optical
materials, beginning with the design of molecular structures, with
the aim of achieving optimal chromatic aberration correction that
suppresses color fringing. With the successful development of the
BR optical element, which offers unique light-dispersion
characteristics that significantly refract blue light—a wavelength
that, until now, had proven particularly difficult to converge to a
specific focal point—Canon is able to develop lenses that result in
outstanding imaging performance by correcting chromatic aberrations
at an exceptionally high level.
About Canon U.S.A., Inc.
Canon U.S.A., Inc., is a leading provider of consumer,
business-to-business, and industrial digital imaging solutions to
the United States and to Latin America and the Caribbean (excluding
Mexico) markets. With approximately $31 billion in global revenue,
its parent company, Canon Inc. (NYSE:CAJ), ranks third overall in
U.S. patents granted in 2014† and is one of Fortune Magazine's
World's Most Admired Companies in 2015. Canon U.S.A. is committed
to the highest level of customer satisfaction and loyalty,
providing 100 percent U.S.-based consumer service and support for
all of the products it distributes. Canon U.S.A. is dedicated to
its Kyosei philosophy of social and environmental responsibility.
In 2014, the Canon Americas Headquarters secured LEED® Gold
certification, a recognition for the design, construction,
operations and maintenance of high-performance green buildings. To
keep apprised of the latest news from Canon U.S.A., sign up for the
Company's RSS news feed by visiting www.usa.canon.com/rss and
follow us on Twitter @CanonUSA. For media inquiries, please contact
pr@cusa.canon.com.
†Based on weekly patent counts issued by United States Patent
and Trademark Office.
All referenced product names, and other marks, are trademarks of
their respective owners.
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Editorial:Canon U.S.A.,
Inc.Leigh Nofi, 631-330-3783lnofi@cusa.canon.comorCanon U.S.A.
website:http://www.usa.canon.comorFor sales
information/customer support:1-800-OK-CANON Canon U.S.A.,
Inc.
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