The latest patents from Olympus and Canon

Olympus filed patent 2012-3077 in Japan for a 6-24mm f/2.7-6.1 (28-112mm equivalent) and a 6-30mm f/2.4-6.8 (28-140mm equivalent) lenses:

     

Olympus 6-24mm f/2.7-6.1

  • Focal length: 6.47 - 24.86mm
  • Aperture: 2.74 - 6.14
  • Angle of view: 71.45 - 17.19°
  • Length 29.53 - 29.25mm
  • Design: 6 elements in eight groups
  • Four aspherical elements

Olympus 6-30mm f/2.4-6.8

  • Focal length: 6.27 - 30.40mm
  • Aperture: 2.45 - 6.83
  • Angle of view: 70.03 - 14.30°
  • Length: 29.48 - 31.45mm
  • Design: 6 elements in eight groups
  • Five aspherical elements

Canon filed patent 2012-2984 in Japan for a short-range wireless communication between the camera body, lens and flash instead of using conventional electronic contacts:

   

Canon also filed patent 2012-3077 in Japan for three new lenses - 300mm f/4, 50mm f/1.2 and 24mm f/2.8:

Canon 300mm f/4

  • Focal length: 294.0mm
  • Aperture: 4.14
  • Angle of view: 8.42°
  • 15 elements 11 groups
  • Internal focus

Canon 50mm f/1.2

  • Focal length: 51.5mm
  • Aperture: 1.25
  • Angle of view: 45.6°
  • 6 elements in 10 groups
  • One aspherical element

Canon 24mm f/2.8

  • Focal length: 24.7mm
  • Aperture: 2.86
  • Angle of view: 82.4°
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