Canon filed a patent 2012123155 for a 35mm f/1.4 lens:
- Patent released date: June 28, 2012
- Patent filing date: December 8th, 2010
- Focal length: 34.73mm
- Aperture: 1.45
- Half angle of view: 31.92 deg
- Image height: 21.64mm
- Length: 128.11mm
- Back focus: 38.48mm
- Lens diameter: 52.03mm
- Lens design: 12 elements in 9 groups sheet, 2 aspherical elements