New EF-S 11-24mm f/3.5-4.5 patent by Canon

patent canon replace,ment

Google filed as new patent for a lens with focal length 11.61-15.50-24.07mm. This upcoming lens resembles the EF-S 10-22mm f/3.5-4.5 lens which is placed among the best lenses according to customer reviews. Hence we may expect this new lens as the replacement for the 10-22mm. Few things that we’d love to see in the new lenses include a STM and a lens body made up of tad higher quality material.

Patent info. (Google translated):

  • Zoom ratio 2.07
  • Focal length 11.61-15.50-24.07mm
  • Fno. 3.63-3.96-4.69
  • Half angle ω = 49.64-41.38-29.58 °
  • Image height Y = 13.66mm
  • Overall length of the lens 133.0-129.1-133.3mm
  • BF 3.26mm
  • Negative positive and negative positive 4-group zoom
  • Inner focus (Lf part of the first group)

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