Shortlisted Finalists or Medal winners - Ikelite
8mm Fisheye

8mm Fisheye

The wider the lens and the bigger the dome, the better for Over/Unders. This is the Canon 8-15mm as wide as it gets. It's actually a sunny day, I just liked saturating the sky and cooling down the temperature with Gradient Filters in Lightroom.

From Canon 8-15mm f/4L EF USM Fisheye