New Patents: Canon EF 17-70mm F3.5-5.6 and EF 16-60mm F3-5-6.3 Lens

Canon lens patent 17-70mm Canon has just filed two new lens patents: EF 17-70mm F3.5-5.6 consumer zoom and EF 16-60mm F3-5-6.3 consumer zoom. Canon EF 17-70 F3.5-5.6 consumer zoom

  • US Patent Application 20180275370
  • Focal Length     17.40    35.00       67.98
  • F-Number          3.23       4.10        5.85
  • Image Height     21.64     21.64     21.64
  • BF                     38.38     53.37     84.83

Canon EF 16-60mm F3-5-6.3 consumer zoom

  • US Patent Application 20180275370
  • Focal Length     16.30   24.10   58.00
  •  F-Number          3.59    3.94    6.37
  • Image Height     21.64   21.64   21.64
  • BF                     38.42   45.65   83.75

Canon lens patent 16-60mm

Source: CN

Read More Canon Lens Patent

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