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New Patent: Canon 3.6-255mm F2.8-7 w/ Built-in Extender for PowerShot

Canon recently filed a new patent for 3.6-255mm f/2.8-7 lens with built-in extender. This means that this lens can reach 2000mm f/10 when converted to 35mm. And, this new lens is designed for a PowerShot camera. Besides, Canon already filed a patent for 3.8-380mm f/2.3-7 lens, a 100x zoom lens patent for a PowerShot camera. The Canon PowerShot SX70 was supposed to be launched with a 100x optical zoom lens. All these patents are good signs that Canon will announce the PowerShot SX70 HS camera in the near future.

See the patent details below (translated by Google):

Patent publication number 2016-212210

  • Release date 2016.12.15
  • Application date 2015.5.7

Example 1

  • Zoom ratio 66.07
  • Focal length 3.71 10.16 245.00
  • F number 2.90 4.99 7.07
  • Half angle of view (degree) 40.59 20.88 0.91
  • Lens total length 94.31 86.88 150.26
  • BF 9.45 16.24 9.56

Super telephoto (D)

  • Focal length 359.99
  • F number 10.39
  • Half angle of view (degree) 0.62
  • Lens total length 150.26
  • BF 3.56

Thanks CanonRumors for spotting this!

Source: Egami.

Read more: Canon Rumors and Camera Deals.

Related posts:

  1. New Patent: Canon PowerShot 3.8-380mm f/2.3-7 Lens
  2. Patent: Canon EF 400mm f/2.8L IS USM Lens with Built-in 1.4x and 1.7x Extender
  3. New Patent: Canon 15-75mm f/2-5.6 Lens (APS-C)
  4. New Patent: Canon EF 70-200mm f/2.8 DO Lens
  5. New Patent: Canon EF 28-560mm f/2.8-5.6L USM Lens


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