Canon Files Patent for EF-M 55-300mm DO IS STM

According to the Egami Blog, Canon has filed a patent for an EF-M 55-300mm f/4.5-6.3 DO IS STM.
 
Patent Description
 
Patent Publication No. 2015-232674
 
  • Published 2015.12.24
  • Filing date 2014.6.11
Example 1
 
  • Zoom ratio 5.27
  • Focal length 55.04 135.00 290.01
  • F-number 4.60 5.18 6.30
  • Angle of view 13.94 5.78 2.70
  • Image height 13.66 13.66 13.66
  • Overall length of the lens 136.00 175.46 192.00
  • BF 35.50 35.50 35.50
Posted: 1/8/2016 5:24:12 AM CT   Posted By: Sean
Posted to: Canon News
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