According to latest rumors, Canon is planning to announce many new products in the second half of this year. These includes one major camera and many new lenses at one time. Source said Canon will announce many new lenses at one time, while the release dates for these new lenses are not at same time.
According to CR, a new RF mount lens roadmap for Canon full frame mirrorless cameras seems leaked online. Along with soon to be announced RF 70-200mm f/4L IS USM lens and RF 50mm f/1.8 STM lens, there will be a total 14 new RF lenses coming in 2021, including “ground-breaking” TS-R autofocus tilt-shift lenses for the RF mount.
During the Canon EOS R5 development announcement, Canon also announced that there will be a total of 9 RF lenses coming in 2020, including already announced RF 24-105mm f/4-7.1 IS STM Lens (B&H Photo Video/Adorama/Amazon), RF 100-500mm f/4.5-7.1L IS USM lens, Extender RF 1.4x, Extender RF 2x. So what are rest of 5 new RF lenses ? According to CR, below are rumored 5 new RF lenses coming in 2020:
Canon recently has filed two new RF lens patents in USA and Japan. Both lens patents are RF mount ultra-wide zoom lenses. The first one is RF 14-28mm f/2L USM lens, this lens will pair nicely with the RF 28-70mm f/2L USM lens. The second one is RF 10-24mm f/4L USM lens or RF 12-24mm f/4L USM lens, similar to EF 11-24mm f/4L USM lens.