Canon Patents Massive 40-800mm f/4.5-5.6 Lens

Canon Patents Massive 40-800mm f/4.5-5.6 Lens

A Canon Patent has been published which shows the optical formula for four separate 40-800mm zoom lenses, two for Powershot cameras and two for full frame systems. That is a simply massive zoom range, and if the patent details below are anything to go by, then the full frame version of the lens would be an epic 489mm in length! I wouldn’t be surprised if this thing could actually see into the future! Joking aside though, it would be extremely impressive for Canon to come up with a lens of this type that offered decent sharpness across the zoom range. Will we see on come to retail however? Probably not, it is quite a niche!

  • Published 2016.7.14
  • Filing date 2015.1.9
  • Zoom ratio 19.42
  • Focal length 41.09 92.80 152.20 225.00 797.99
  • F-number 4.67 4.66 4.65 4.67 5.71
  • Angle of view 27.79 13.13 8.10 5.50 1.55
  • Image height 21.65
  • Overall length of the lens 489.32
  • BF 39.28
  • Inner zoom

Via: Egami.

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