15 or 16mm ish equivalent?
Love how the little girl is highlighted
Cool! I felt something curvy about the tree canopy in the top of the image but I thought it was probably just some regular distortion. Really didn't think it would be a fisheye, let alone the same lens as in these 5 ages above!
I remember some advice for using ultra-wide angles which probably applies to fisheye lenses too.
If you keep them perfectly level you get no "falling lines"/keystoning (or obvious fisheye distortions). Probably helps to have the horizon in mid-frame too...
Once you angle them up or down, the perspective distortions become really apparent.