Canon has just filed a new patent for Canon RF 70-240mm f/4 IS lens. This means Canon is now busy developing new lenses for the RF mount, so we expect to see a lot of new lenses next year.
Canon RF 70-240mm f/4 IS lens:
- Focal length 72.10 131.78 242.00
- F-number 4.10 4.10 4.10
- Half angle of view 16.70 9.32 5.11
- Image height 21.64 21.64 21.64
- Total lens length 147.22 176.39 210.90
- BF 12.95 25.54 36.63
Read More Canon Lens Patent
See also 2019 Canon Lens Deals