Canon patent for CN-E 30-160mm f/2.8 LS lens

Another Canon patent for a Cinema lens, a CN-E 30-160mm f/ 2.8 LS. This optical formula formula refers to a Super35mm sensor, i.e. the sensor used in Canon’s Cinema line-up.

• Patent Publication No. 2016-57387
  • Published 2016.4.21
  • Filing date 2014.9.8
• Example 1
  • Zoom ratio 5.00
  • Focal length 32.00 100.00 160.00
  • F-number 2.70 2.70 3.00
  • Half angle of view (degrees) 24.82 8.42 5.28
  • Image height 14.80
  • Overall length of the lens 271.71
  • BF 45.83

[via Egami]