Canon applied a new patent for prime lens. The patent shows the design of the EF 58mm f/1.4 lens which will be applicable for Canon DSLRs with full-frame image sensors.
The patent of Canon EF 58mm f/1.4 prime lens revealed that the upcoming lens will have a fast maximum aperture and suitable in dim-light conditions.
The detailed information of the Canon Patent: EF 58mm f/1.4 Lens as:-
- 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 from Egami:-