Canon Japan has filed a new lens patent on EF 28mm f/1.4L USM lens. This lens should have same technologies and build quality of the EF 35mm f/1.4L II USM lens.
Patent Publication No. 2016-31414 (Google Translated)
- Published 2016.3.7
- Filing date 2014.7.28
- Example
- Focal length 28.00
- Fno 1.45
- Image height 21.64
- Overall length of the lens 125.07
- BF 38.73
via: EG
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