https://www.youtube.com/watch?v=biYugrJb45k TTartisan 7.5m f/2 at Amazon, TTartisan, Pergear
New Canon patent discloses some serious APS-C zoom lens designs

Canon has patented three variations of a more advanced APS-C zoom lens:
- Canon RF-S 15-80mm f/2.8-5.6
- Canon RF-S 15-70mm f/2.8-4 IS STM
- Canon RF-S 15-70mm f/4 IS STM
It would be about time Canon gets serious with APS-C zoom lenses. But I don’t know if this patent will ever translate into a real mass product 🙁
via CR
