Canon Patents

Patent: More Ultra Wide Zoom Lens Patents

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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 f/2.8
  • 10-35mm f/2.8-3.5
  • 18-80mm f/4.0
  • 18-75mm  f/4.0
  • 12-30mm f/2.8

This patent application may pertain to development of lenses that have already been released, or they could be part of future lens designs.

Read the full breakdown of the patent application here.

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