Patent: More Ultra Wide Zoom Lens Patents

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 for APS-C sensors.

Optical Formulas in Japan patent application: 2017-207649  14-35mm f/2. 8 9-22mm Read more. . . .

patent zoom wide ultra

2017-12-28 22:01