Hi Adam, im the Winner in the Wide Angle Traditional Category.
When you talk about my picture how its the Reflections done Alex says he don't know really.
So let me explain. I used a Panasonic LX100ii in a Nauticam Housing and adapted a Raynox Circular Fisheye Lens(is out of production since 10years) on a Flatport with a 4 inch Domeport (dry). The Reflection Effect is created inside the Raynox Circular Fisheye, its a Reflection Tube with a diameter of 3,5cm and a length of 2cm fixed between the first and second glass element.
So i can get a very wide angle of view with the reflections.
If you adapt a big Reflection Tube outside on a Dome with a Fisheye Lens then you lost a lot angle of view.
And the Reflections looks like a mirror. By mine Solution the Effect is more soft.
I was really surprised to get the first place. Because like you and Alex says , without the Reflections is like a nothing special Wide Angle Shot. I agree with you completely.
But with the colorful reflections is stand out from the crowd.
Im a not so really good photographer. Thats why i try mostly some creative ways to get a picture in the camera which looks different.
Enrico Somogyi