New Patent: Canon EF-M 600mm f/5.6 DO IS Lens

Canon Japan has filed a new patent for EF-M 600mm f/5.6 DO IS lens. Aimed at professional photographers, this EF-M 600mm f/5.6 DO IS lens will be a new super telephoto prime lens for EOS M mirrorless cameras with APS-C-sized image sensors.

The Canon EF-M 600mm f/5.6 DO IS lens will have built-in image stabilization technology as we can see it from the name. Also “DO” designation stands for diffractive optical elements.

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

Patent Publication No. 2015-215437

  • Published 2015.12.3
  • Filing date 2014.5.9


  • Focal length 585.00
  • F-number 5.74
  • Half angle (in degrees) 1.34
  • Image height 13.66
  • Overall length of the lens 299.25

via: Egami

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