Is the panasonic lumix g 8mm f 3 5 fisheye weather sealed?

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From Panasonic Lumix G 8mm f/3.5 Fisheye: Panasonic Lumix G 8mm f/3.5 Fisheye: A prime lens by Panasonic for Micro Four Thirds cameras, 8mm f/3.5. Specs - Maker: Panasonic - Focal length: 8mm (prime) - Maximum aperture: f/3.5 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: no - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four Thirds): like 16mm on full frame; f/3.5 gives about the depth of field of f/7 there. ...

From Olympus M.Zuiko 8mm f/1.8 Fisheye PRO: Olympus M.Zuiko 8mm f/1.8 Fisheye PRO: A prime lens by Olympus for Micro Four Thirds cameras, 8mm f/1.8. A weather-sealed f/1.8 fisheye.

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