A new patent surfaced over the web that shows a M4/3 400mm Lens having F4 Aperture, the patent was filed on 2013 october and published on 2015 June, hope this lens will arrive soon to fulfill the needs of M4/3 system users…
Explanation and self-interpretation of the patent literature
- Patent Publication No. 2015-108811
- Published 2015.6.11
- Filing date 2013.10.22
- Example 6
- Focal length f = 499.265 325.022mm
- Fno. 4.059 2.630
- Angle of view 2ω = 2.6 °
- Image height Y = 11.15mm
- FB 66.633mm
- Total length 337.887mm
See more Olympus Patent
They delivered the 300 with the extra Sync-IS.
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If they can duplicate the acclaimed sharpness and IS that tests and users of the 300mm Zuiko are praising this will be a very interesting lens.
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For me, the 500mm would be to RENT as I rarely need such a lens 🙂 1000mm in Full Marketing Frame terms. Interesting find!