Archive for: high performance

APS-C 11mm f/2 Patent

APS-C 11mm f/2 Patent

 

A patent for a super high performance APS-C lens has been issued. The lens is a 17mm equivalent on a crop camera. It’s said to have super performance.

  • Patent Publication No. 2011-65138
  • Published 2011.3.31
  • Filled 2009.8.17
  • Focal distance f = 11.1mm
  • Fno = 2.0
  • Half angle of view 49.7 deg.
  • Aspherical 3
  • Image height 13.20mm

From Egami

cr

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