Is the sigma 17mm f 4 dg contemporary weather sealed?

Here is what the site says about that.

From Sigma 17mm f/4 DG Contemporary: Sigma 17mm f/4 DG Contemporary: A prime lens by Sigma for Full frame cameras, 17mm f/4. A tiny metal ultra-wide from the I series; sold as the 17mm f/4 DG DN before 2025. Specs - Maker: Sigma - Focal length: 17mm (prime) - Maximum aperture: f/4 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as ...

From Sigma 150-600mm f/5-6.3 DG OS HSM Sports: Sigma 150-600mm f/5-6.3 DG OS HSM Sports: A zoom lens by Sigma for Full frame cameras, 150-600mm f/5-6.3. The heavier, weather-sealed sibling of the Contemporary 150-600mm.

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