Imaging recource: The challenges, design and production of Canon’s 20x 50-1000mm cinema lens

In 2010, cinematographer and filmmaker Ivo Nörenberg approached Canon with a challenge. He wanted them to make a long telephoto zoom lens which was capable of high-quality 4K video footage in the Super 35mm format. Ivo works on wildlife documentaries and a long zoom lens would be very well-suited to wildlife production. Well, Canon stepped up to the plate and produced the Cine-Servo 50-1000mm T5.0-8.9 lens. This lens features a removable Digital Drive unit and is available in EF and PL lens mounts. It delivers the world's longest...
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