Time after time, I am in position to photograph the sunset with many other photographers and observers around me. It is (usually) lots of fun talking to those nearby, but ... as soon as the sun goes behind the horizon, most people pack up and leave.
Last week, the same thing was happening as I was bayside in Seaside Park, NJ. Right after the sun disappeared, a friendly photographer came over and asked if I got "it" while showing me his favorite pic of the setting sun. I replied that I did, but indicated that the main show was likely still to come. He said that he liked to see the sun's reflection best. My thought was that his preference is fine, that we are all different, that I too like the sun's reflection and that I was still expecting the best yet to come.
Fortunately, this gentleman had enough question about my opinion vs. his that he stuck around. Fifteen minutes was all that was needed. The color in the sky was very impressive on this evening and Barnegat Bay was very calm. About 25 minutes after the sun set, the other photographer returned very excited. Upon a quick review of his website the next day, I found only one picture from that evening. One captured well after the sun had set.
Unless I am shooting landscape that the setting sun is directly lighting, I am usually more found of my post-sunset images. This image was my favorite from the night (though I have many close runners-up).
This is an HDR image, comprised of three exposures used to balance the overall brightness of the final image.
While an f/2 max aperture lens invites many uses in addition to landscape photography, the focal length range of the Sigma 24-35mm f/2 DG HSM Art Lens is great for this use. Since the Sigma 24-35mm f/2 Art Lens was what I was evaluating at the time, I put it to use for my sunset session. It performed excellently.