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Patent: A New Canon EF 70-200mm f/2.8L IS Optical Formula Referenced

on April 5, 2018

Northlight has uncovered a lot of new lens patents from the USPTO, some of the more interesting ones include new glass types for various long lenses, including an example for a new EF 70-200mm f/2.8L IS.

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Patent: A New Canon EF 70-200mm f/2.8L IS Optical Formula Referenced


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