Is the leica apo telyt m 135mm f 3 4 weather sealed?

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From Leica APO-Telyt-M 135mm f/3.4: Leica APO-Telyt-M 135mm f/3.4: A prime lens by Leica for Full frame cameras, 135mm f/3.4. The longest current M lens; precise focusing is easier with live view or an EVF. Specs - Maker: Leica - Focal length: 135mm (prime) - Maximum aperture: f/3.4 - 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, 135mm. ...

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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