Canon has just filed a new patent of EF 58mm F1.4 lens. This is the same focal length as Nikon 58mm f/1.4G and Voigtlander Nokton 58mm f/1.4 SL-II lens.
Patent Publication No. 2015-172611
- Published 2015.10.1
- Filing date 2014.3.11
Example 1
- 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
Source: EG
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