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Monday, August 17, 2015

Canon Patent - 10-120mm f/1.8 lens For 1 inch Sensor




Egami, the Japanese photography blog has uncovered a new Canon patent of a 10-120mm f/1.8 lens for an 1 inch sensor. Canon announced the XC10 camcorder in April 2015, with a 1 inch sensor and 4K video. The camera has not received many rave reviews and is just an opening shot for Canon in the non-professional 4K camcorder space. The EOS C300 Mk II camcorder equipped with Dual Pixel CMOS technology and 4K video is for serious filmmaking.


    Patent Publication No. 2015-75523

  •     Published 2015.4.20
  •     Filing date 2013.10.7

    Example 1

  •     Zoom ratio 11.54
  •     Focal length 10.21 56.31 117.88
  •     F-number 1.87 1.79 1.78
  •     Half angle (in degrees) 38.07 8.09 3.88
  •     Image height 8.00
  •     Overall length of the lens 555.0
  •     BF 16.56

    Canon patents

  •     5-group zoom of positive and negative TadashiTadashiTadashi
  •     Inner focus (part of the first group)
  •     Inner zoom

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