Egami has discovered a new patent filed by Olympus. New Olympus patent describes a 1.4x Teleconverter lens for Micro Four Thirds mount.
The 1.4x Teleconverter lens provides super-fast telephoto experience for sports or nature shots. Olympus already has a Teleconverter lens that is compatible with the multiple Olympus Zuiko digital lenses. This may well be a teleconverter for the upcoming M.ZUIKO Digital ED 40-150 mm f/2.8 PRO lens.
You can see the Google Translated patent details below.
Olympus Patent for 1.4x Teleconverter Lens
Description and self-interpretation of the patent literature
- Patent Publication No. 2013-235217
- Publication date 2013.11.21
- Filing date 2012.5.11
- Related 2013-235218
- Example 1 master lens
- Focal length f = 40.80 – 147.00mm
- Fno. 2.88
- Angle of view 2ω = 29.79 – 8.28 °
- BF 32.137 – 28.750mm
- 195.839mm – 151.882 total length
- Image height 10.82mm
- 17 pieces of 15-group lens configuration
- Two four-sided aspherical
- One ED glass
- One Super ED glass
- Example 1 converter lens
- Focal length f = 57.06 – 205.60mm
- Fno. 4.03
- Angle of view 2ω = 21.85 – 6.07 °
- BF 14.200mm
- 209.103mm – 165.146 total length
- Image height 10.82mm
- Magnification 1.40
- Five 4-group lens configuration (positive and negative positive positive and negative)
- One ED glass
