New Lens Patents: EF-S 15-300mm & EF 28-550mm Lenses

Canon Japan recently has filed two all-in-one zoom lenses for both full frame DSLR camera and APS-C DSLR cameras. See below:

  • Full Frame: EF 28-550mm f/3.5-6.3
  • APS-C: EF-S 15-300mm f/3.5-6.3

via: CR