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

Canon has filed a new patent for the EF 200-600mm f/4.5-5.6L USM Lens, which is designed for Canon full frame DSLR cameras.

Take a look at the patent details below translated by Google.

  • 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: Egami

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