Erik Widding of Birger Engineering demonstrates the latest working prototype of his Canon EOS to Micro 4/3 and Sony NEX adapters. Erik claims they provide full control of focus and aperture on all tested EOS lenses. He also showed a working prototype of a follow focus controller that works with the adapter and allows for rapid calibration and lens changes.

Filmed by Seppe Van Grieken.

For more info from NAB 2011 go to dslrnewsshooter.com

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