Three patents related to a 20x zoom lens optical formulas for 1″ sensors have appeared.
P2018-25623A
Specification and lens arrangement of embodiment 2
- Zoom ratio: 20.00
- Focal length: 8.50 54.45 170.00 mm
- F No.: 2.70 3.96 4.50
- Half image angle: 37.14 7.74 2.49
- Image height: 6.44 7.40 7.40 mm
- Lens length: 144.32 144.32 144.32
- Back focus: 11.37 11.37 11.37 mm
P2018-25624A
Specification and lens arrangement of embodiment 5
- Zoom ratio: 20.00
- Focal length: 8.30 55.00 166.00 mm
- F No.: 2.70 4.80 5.60
- Half image angle: 37.84 7.67 2.56
- Image height: 6.45 7.41 7.41 mm
- Lens length: 149.39 149.39 149.39 mm
- Back focus: 13.43 13.43 13.43 mm
P2018-25625A
Specification and lens arrangement of embodiment 1
- Zoom ratio: 19.50
- Focal length: 10.60 72.07 206.68
- F No.: 3.61 3.61 3.61
- Half image angle: 36.10 5.85 2.03
- Image height: 7.41 7.41 7.41
- Lens length: 198.01 198.01 198.01
- Back focus: 30.92 37.81 16.95
Currently, we can only confirm that one PowerShot G series camera in coming in 2018.
