Spring weather means turbulent, chaotic, energy. I really need a panoramic head. These pictures stitched together in a flat “V” shape. And they had subtle lighting differences between snaps.

Update: Ahh! I was using the TS-E 45mm and, when I was putting the lens away, I noticed that the was some tilt being applied to the lens. Perhaps that was it. I must strive to return all of the settings on a lens back to default when I put it away. Live and learn…