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The Technology of Motion-Image Acquisition

There are many technologies involved in motion-image acquisition: lighting, lenses, optical filters, image sensors, signal processing, and mounts.  How do they work and interact?  Does lighting look the same on all cameras?  Do microlenses on image sensors work the same at all lens settings?  What are the effects of image-sensor size? What are the differences between raw, log, and normal outputs?  Can a lens for one type of camera be used on another?

In this joint webcast, Russell Trafford-Jones from The Broadcast Knowledge talks to SMPTE Fellows Larry Thorpe from Canon and Mark Schubin, as they explain the technology of motion-image acquisition and answer your questions in a webcast directly to your home or office. Is there a particular iris aperture that yields the highest sharpness?  Register for the webcast and find out.


Guest Speaker:  Mark Schubin


Multiple-Emmy-award-winning SMPTE Fellow Mark Schubin has been working in television since 1967, writing about it since 1972, and chairing the HPA Tech Retreat program since 1998. He has shot for the Rolling Stones, lit Luciano Pavarotti, mixed Stevie Wonder, hooked up the TV in Eric Clapton’s bedroom, and performed forensic analysis for the Woody Allen/Mia Farrow child-custody battle. He worked on Japan’s first regularly scheduled HDTV broadcast, Kazakhstan’s first news network, and Hong Kong’s first cable-TV system. He has also worked on standards ranging from the VU meter to digitally compressed video transmission to the national TV system of Barbados. His clients range from the Metropolitan Opera to Sesame Street, MTV, The News Hour, the AFL-CIO, the U.S. Congress, and the World Book Encyclopedia. His writing has been translated into French, Japanese, Russian, and Spanish. His blog, http://www.schubincafe.com, is archived by the Library of Congress. 

Schubin has also sung at most of the great opera houses of the world, appeared inside the penguin enclosure of the Central Park Zoo, and piloted a blimp from Coney Island to the Statue of Liberty. He once lent Meg Ryan a dinosaur and another time was sandwiched between Helen Hunt and Kyra Sedgwick. He is a contributor to The Coward’s Almanack and is Minister of Information of the Provisional Government-in-Exile of Redonda. The Flying Karamazov Brothers failed to teach him to juggle. He has been named the official opera archivist of American Way magazine, somehow made it into one of the obituaries for Steve Jobs, and shared a news story with Aretha Franklin. 

Marvin Kitman, writing for The Los Angeles Times syndicate, called him “a leading thinker.” In the acknowledgements to his book Fast Forward: Hollywood, the Japanese, and the VCR Wars, James Lardner of The New Yorker wrote of Schubin that “he has the spectacularly rare ability to make technical matters clear to a nontechnical person.” Graham Binns of London’s Rediffusion Group said in the European publication Intermedia, “He has a complete mastery of the technical background to video. He 

rattles off data and ideas with fluency and with wit.” Director Robert Altman said of him, “We have our quiet fun together.” 

In 2014, for their 75th anniversary, the National Baseball Hall of Fame co-sponsored his lecture on “Baseball and Opera.” He sometimes wears pants and shoes. 

Guest Speaker: Larry Thorpe

Larry Thorpe 2928 5 inch

Laurence J. Thorpe joined the Broadcast and Communications Division of Canon U.S.A., Inc. in 2004 as National Marketing Executive.

Thorpe joined Sony Electronics in 1982, where he spent more than 20 years in HDTV development. Prior to Sony, he worked for RCA’s Broadcast Division from 1966 to 1982, where he developed a range of color television cameras and telecine products. From 1961 to 1966, Thorpe worked in the Designs Dept. of the BBC in London, England, where he participated in the development of a range of color television studio products.

Thorpe is an IET Graduate (1961) in electrical engineering of the College of Technology in Dublin, Ireland. He received his Chartered Engineer (C. Eng.) and MIET distinction in 1965 from the Institution of Electrical Engineers in London, England.

Guest Speaker:  Russell Trafford-Jones


Russell Trafford-Jones is a broadcast engineer with wide-reaching experience within the industry running and designing broadcast infrastructure throughout the chain. As part of the management team at video-over-IP specialists Techex, he works daily with customers designing and supporting networks for contribution and distribution.  Russell’s passion for education shows in his work as an executive member of IET Media Technical Network and as the editor of TheBroadcastKnowledge.com – an RTS-nominated site which features a new educational video every day to help engineers throughout the industry keep on top of new technologies and ways of working.