The lens I was evaluating had a 55mm focal length on the wide end, but the sunset needed a much wider angle to be fully captured in all of its glory. So, when focal length limited on the wide end, simply shoot a panorama. The result is a 47+ megapixel image that I not only can use as-is, but can (and did) also crop into various still-high-resolution images.
A bonus that cannot be seen at this reduced size is that venus is visible through a break in the red clouds.