Canon could launch a game-changing f/1.4 zoom lens this year — but with one likely catch

• Patent application reveals multiple exciting Canon optical designs
• There are several f/1.4 zooms in the application, for full-frame and APS-C
• Rumors suggest an RF 24-45mm f/1.4L as one possible product

f/2.8 zoom lenses have long been the trusted armory of working photographers, but then Canon and Sony levelled up with f/2 zooms, namely the RF 28-70mm F2L USM, FE 28-70mm F2 GM, and FE 50-150mm F2 GM.

For me, the formidable trio is the pinnacle of lens design, especially for wedding and event photography. I might soon have to think again, however, if anything comes from a recent patent application, uncovered by the folks at Canon Rumors.

The Canon patent application ...