New Patent: Canon 10-120mm f/1.8 Lens for 1″ Sensor

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Canon has filed a new patent: Canon 10-120mm f/1.8 lens for a 1″ sensor. This lens features constant F1.8 aperture throughout the zoom range. So I think this lens will be used on the Canon XC10 (Amazon | B&H Photo | Adorama) or a future video camera.

Take a look at the patent details below translated by Google.

Patent Publication No. 2015-75523

  • Published 2015.4.20
  • Filing date 2013.10.7

Example 1

  • Zoom ratio 11.54
  • Focal length 10.21 56.31 117.88
  • F number 1.87 1.79 1.78
  • Half angle (in degrees) 38.07 8.09 3.88
  • Image height 8.00
  • Overall length of the lens 555.0
  • BF 16.56

Canon patents

  • 5-group zoom of positive and negative TadashiTadashiTadashi
  • Inner focus (part of the first group)
  • Inner zoom

via: Egami

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