据外媒爆料，佳能将于近期发布RF 70-200mm F4 L IS USM、RF 50mm F1.8 STM两款RF卡口全画幅无反镜头，两款镜头的遮光罩型号分别为ET-83G（WIII）、ES-65B。其中，RF 70-200mm F4 L IS USM将采用外变焦设计，其体积与听装可乐相当。此外，RF 50mm F1.8 STM镜头的光学素质、镜头做工优于EF卡口版本。
佳能可能会在2021年发布14款RF卡口全画幅无反镜头：
- RF 10-24mm F4 L USM
- RF 14-35mm F4 L IS USM
- RF 100-400mm F5.6-7.1 IS USM
- TS-R 14mm F4 L移轴
- TS-R 24mm F3.5 L移轴
- RF 24mm F1.8 IS STM MACRO
- RF 35mm F1.2 L USM
- RF 100mm F2.8 L MACRO IS USM
- RF 135mm F1.4 L USM
- RF 400mm F2.8 L IS USM
- RF 500mm F4 L IS USM
- RF 600mm F4 L IS USM
- RF 800mm F5.6 L IS USM
- RF 1200mm F8 L IS USM
via：nokishita
