A new patent for an EF 58mm f1.4 optical formula has appeared. Nikon currently has a Nikkor 58mm f/1.4G. Could we be getting closer to a replacement for the EF 50mm f/1.4?
Patent Publication No. 2015-172611 (Google Translated)
- Published 2015.10.1
- Filing date 2014.3.11
- Focal length 57.99
- F-number 1.45
- Half angle (in degrees) 20.46
- Image height 21.64
- Overall length of the lens 117.64
- BF 38.23
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