Sony filed a patent application in Japan (2013-37081) for a 35mm f/1.8 full frame E-mount lens. Also Sony filed another patent (2013-37080) is about a new 24mm f/1.8 and 24mm f/2.2 lenses for mirrorless APS-C based digital cameras.
Sony Patent Applications For 35mm f/1.8 Full Frame E-mount lens and Fast 24mm Mirrorless Lens
- 24mm f/18 lens:
- Focal length: 23.28
- Fno: 1.85
- Half angle of view: 30.86°
- Image height: 14.2mm
- Lens design: 8 elements in 7 groups, 2 aspherical elements
- 24mm f/2.2 lens:
- Focal length: 23.28
- Fno: 2.23
- Half angle of view: 30.64°
- Image height: 14.2mm
- Lens design: 8 elements in 7 groups, 3 aspherical elements
- 35mm f/1.8 lens:
- Focal length: 35.81
- Fno: 1.85
- Half angle of view: 30.78°
- Image height: 21.6mm
- Lens design: 8 elements in 7 groups, 2 aspherical, 1 ED elements
