Canon will soon announce the EOS R3 (Development announcement), RF 400mm f/2.8L IS USM Lens, RF 600mm f/4L IS USM lens. According to CR, Canon is working on more super telephoto lenses for Canon RF mount. Below are rumored lenses coming next:
- Canon RF 200-500mm f/4L IS USM Lens (This lens will be the successor of EF 200-400mm f/4L IS USM 1.4x)
- Canon RF 400mm f/4 DO IS USM Lens (This lens will be the smallest and lightest lens of its kind. It’s a completely new optical formula for the RF mount.)