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Sunday, December 31, 2017

New Canon Patent - EF-S 18-200mm f/4-5.6 IS STM Lens

The current EF-S 18-200mm f/3.5-5.6 IS lens is almost ten years old. Canon has patented a new version of this versatile zoom lens for APS-C camera. It aims to improve the image quality and add STM to the new model. Just in time for the announcement of the EOS-7D Mark III camera some time in Q2 of 2018.

2017 is rapidly coming to an end. Thanks for your interest and support. All the best to my readers for 2018. It will be another eventful new year for photography and especially Canon. I will be starting my wildlife photo tours in early January with another year of global trips ahead. You can follow my travels on Facebook  and Twitter , see my equipment bag and works on

Canon EF-S 18-200mm f/4-5.6 Patent

  • Zoom magnification 10.38 times 
  • Focal length 18.60 (wide angle) 49.08 (intermediate) 193.00 (telephoto) 
  • F value 3.59 4.89 5.88 
  • Half angle of view 36.29 15.55 4.05 
  • Image height 13.66 13.66 13.66 
  • Total length 145.05 172.07 200.21 
  • Back focus 38.23 59.69 74.12 

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