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Tuesday, November 18, 2014

Canon Patent - EF-S 11-24mm f/3.5-4.5 Lens

Canon EF-S 10-22mm f/3.5-4.5 Lens

Egami, the Japanese photography blog has uncovered a new Canon patent for the EF-S 11-24mm f/3.5-4.5 lens. This may be a replacement to the venerable EF-S 10-22mm f/3.5-4.5 model. The new lens will be of higher build quality and comes with STM, in line with most of the recent EF-S models but at a higher price, of course.

Example 3 (Google Translated)

  •     Zoom ratio 2.07
  •     Focal length 11.61-15.50-24.07mm
  •     Fno. 3.63-3.96-4.69
  •     Half angle ? = 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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