Patent: More Ultra Wide Zoom Lens Patents

By Canon Rumors Canon is clearly working on new ultra wide zoom lenses to add to the lineup, we have yesterdays patent showing a EF 17-35mm f/4-5.6 IS STM and today we see a patent application that covers 6 different ultra wide angle zoom optical formulas. Optical Formulas in Japan patent application: 2017-207649 14-35mm f/2.8 9-22mm f/2.8 10-35mm f/2.8-3.5 … → continue…

From:: Canon Rumors