New Canon Lens Patent: EF 200-600mm f/4.5-5.6L USM

ef-200-600mmm-l

Canon Japan filed a new super telephoto zoom lens patent for Canon DSLR cameras. This lens is EF 200-600mm f/4.5-5.6L USM full frame lens. Similar to recently released Nikon 200-500mm f/5.6E lens.

  • Patent Publication No. 2015-212724
    • Published 2015.11.26
    • Filing date 2014.5.1
  • Example 1
    • Zoom ratio 3.00
    • Focal length 200.00 340.00 600.00
    • F-number 4.60 4.60 5.20
    • Angle of view 6.18 3.64 2.07
    • Image height 21.65 21.65 21.65
    • Overall length of the lens 355.16 355.16 355.16
    • BF 65.16 65.16 65.16

via: EG

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