The latest patents from Canon, Panasonic and Pentax

Canon filed a patent 2012123155 for a 35mm f/1.4 lens:

  • Patent released date: June 28, 2012
  • Patent filing date: December 8th, 2010
  • Focal length: 34.73mm
  • Aperture: 1.45
  • Half angle of view: 31.92 deg
  • Image height: 21.64mm
  • Length: 128.11mm
  • Back focus: 38.48mm
  • Lens diameter: 52.03mm
  • Lens design: 12 elements in 9 groups sheet, 2 aspherical elements

Panasonic filed a patent 2012118522 in Japan for a teleconverter with a motorized zoom. The user will be able to select the desired focal length by using the zoom of the lens and the teleconverter.

Pentaxforums found some interesting Pentax DSLR patents (8208056 and 8208032) - could they be for the rumored full frame camera?

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