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Sigma Patent For 12mm f/2.8 Lens For Full Frame Cameras

Sigma Patent

Is this the next super cool Sigma lens?

Hi Lows Note spotted a patent application (2018-189733) by Sigma for a 12mm f/2.8 lens for full frame cameras.

  • Focal length: 12.42 mm
  • F number: 2.93
  • Angle of view: 120.49
  • Image height: 21.63 mm
  • Lens length: 169.4 mm

Apparently the lens has some sort of distortion correction built in:

The present invention relates to the wide angle lens system in which the back focus used for a digital camera, a video camera, a film-based camera, etc. corrected several aberrations, such as a distortion aberration […]


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