Is the leica macro elmar m 90mm f 4 weather sealed?

Here is what the site says about that.

From Leica Macro-Elmar-M 90mm f/4: Leica Macro-Elmar-M 90mm f/4: A macro lens by Leica for Full frame cameras, 90mm f/4. A collapsible, light 90mm. Specs - Maker: Leica - Focal length: 90mm (macro) - Maximum aperture: f/4 - Made for: Full frame sensors - Mounts: Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Leica M): as marked, 90mm. Cameras it fits - Leica M9: Full frame - Leica M9-P: ...

From Landscape: What matters: - Resolution and dynamic range. Landscapes are often printed big and include bright skies and dark foregrounds in one frame. A sensor with a lot of dynamic range keeps detail in both. Full-frame and high-resolution bodies shine here, but any modern sensor does well at base ISO. - Weather sealing. You'll be out in wind, spray and drizzle at dawn. A sealed body and lens survive it. - A tilting ...

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