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Tuesday, May 24, 2016

Canon Patent - EF-M 9-17mm f/3.5-5 STM Lens

Canon EF-M line of mirrorless lens

I have just returned from my Upper Amazon/Peruvian Highlands Photo Tour testing the Canon EOS-1D X Mark II camera in hot, steamy jungles and cold, two miles plus high, Andean mountains. Overall, I am quite impressed by the new body but now I have to take some time to get back to the daily routine, process the photos and get ready for my next trip to again test the camera in a whole new part of the world and environment.

Last month, I have reported on Canon's latest plans with their mirrorless camera line. Now, Egami has uncovered another new patent for an additional EF-M 9-17mm f/3.5-5 STM lens design. It may be announced before the year is up, perhaps together with the new mirrorless camera(s). It will be a good year for Canon mirrorless camera fans.

Patent Publication No. 2016-85259 (Google translated)

  • Published 2016.5.19
  • A wish day 2014.10.23
  • Zoom ratio 1.79
  • Focus distance 9.27 13.32 16.58
  • F-number 3.60 4.38 5.11
  • AOV 51.83 45.17 38.94
  • Like high 11.79 13.40 13.40
  • Overall length of the lens 85.22 79.65 81.94
  • BF 14.99 16.82 15.41

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