Patent: Various RF mount zoom lenses, including an APS-C RF mount design

Canon continues to work on new zoom lens ideas for the RF mount according to this JPO patent, I can only see one lens below that makes sense for a consumer product, and that’s the Canon RF 24-70mm f/4 optical design. Now hidden in here is an optical formula for what looks to be an … Continue reading Patent: Various RF mount zoom lenses, including an APS-C RF mount design