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
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