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Patent: 20x Zoom Optical Formula for 1″ Sensor

By Canon Rumors | February 16, 2018

Patent: 20x Zoom Optical Formula for 1″ Sensor

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.

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