Is the leica tri elmar m 16 18 21mm f 4 asph weather sealed?

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From Leica Tri-Elmar-M 16-18-21mm f/4 ASPH: Leica Tri-Elmar-M 16-18-21mm f/4 ASPH: A zoom lens by Leica for Full frame cameras, 16-21mm f/4. Three ultra-wide focal lengths in one lens. Specs - Maker: Leica - Focal length: 16-21mm (zoom) - 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, 16-21mm. Cameras it fits - Leica M9: Full frame ...

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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