New Patents: Canon RF 70-300mm F4-5.6 and 70-400mm F4-5.6 Lens

Canon patent

Canon has just filed two new patents for Canon RF 70-300  F4-5.6 and 70-400mm F4-5.6 Lens. Read the details below:

  •  focal length   72.00   146.00   290.00
  • F number       4.08     4.88     5.67
  • Half angle of view (degrees)  16.72     8.43     4.27
  • Image height        21.64    21.64    21.64
  • Total lens length   140.00   177.20   210.00
  • BF            25.13    44.86    61.65

 

  • focal length 72.62 168.49 389.89
  • F number 4.07 5.10 5.85
  • Half angle of view (degrees) 16.59 7.32 3.18
  • Image height 21.64 21.64 21.64
  • Total lens length 187.91 236.14 268.26
  • BF 13.80 27.53 35.04

Read More Canon Lens Patent

See also 2019 Canon Lens Deals

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