Olympus ED 500mm f/4 PRO IS Lens Patent

Olympus M.ZUIKO DIGITAL ED 300mm f/4 PRO Lens
Olympus M.ZUIKO DIGITAL ED 300mm f/4 PRO Lens

Olympus has filed a new lens patent on M.ZUIKO DIGITAL ED 500mm f/4 PRO IS lens. This is another upcoming super-telephoto prime lens for Micro Four Thirds system. The Olympus 300mm f/4 PRO lens (B&H Photo Video) is delayed until late 2015.

olympus 500mm f4 pro is lens

Google Translated:

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

via: EG

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