Olympus 8-20mm f/2.8-4 lens patent
Olympus filed a new patent in Japan for a 8-20mm f/2.8-4 lens for Micro Four Thirds:
- Patent number 2012-194238
- Patent release date: October 11th, 2012
- Patent filing date: March 15, 2011
- Focal length: 7.629 - 19.848mm
- Aperture: 2.933 - 4.000
- Half angle of view: 30.843-92.529°
- Image height: 12.029mm
- Lens design: 14 elements in 11 groups
The patent also contains calculations for a 8-35mm f/2.2-4.0 and 8-74mm f/2.8-4 lenses.
