It looks like Canon is serious about the 17-70mm focal range for a new lens design as discovered by Canon News. This isn’t the first time we’ve seen mention of an RF 17-70mm lens, which leads us to believe we are likely to see this introduced at some point.
This would be a nice kit lens for a new entry-level EOS R camera body.
This patent also shows two similar EF designs.
Canon RF 17-70mm f/3.5-5.6 IS USM
- Focal length: 17.40mm 34.99mm 67.97mm
- F-number: 3.31 4.12 5.88
- Half angle of view: 51.20° 31.73° 17.66°
- Image height: 21.64mm 21.64mm 21.64mm
- Total lens length: 168.41mm 154.99mm 168.39mm
- BF: 8.36mm 52.48mm 81.91mm
Canon EF 17-70mm f/3.5-5.6 IS USM
- Focal length: 17.40mm 35.00mm 68.00mm
- F-number: 3.33 4.09 5.88
- Half-field angle: 51.19° 31.72° 17.65°
- Image height: 21.64mm 21.64mm 21.64mm
- Total lens length: 168.42mm 153.33mm 168.42mm
- BF: 38.32mm 53.44mm 84.11mm
Canon EF 16-60mm f/3.5-5.6 IS USM
- Focal length: 16.30mm 35.00mm 60.00 mm
- F-number: 3.31 4.22 5.88
- Half angle of view: 53.01° 31.72° 19.83°
- Image height: 21.64mm 21.64mm 21.64mm
- Total lens length: 68.46mm 153.33mm 168.42mm
- BF: 38.35mm 56.15mm 83.82mm
- Via: Canon News
- Source: JPO