Waves in sky? I shot this at 24mm 2.8 for 8 seconds. Does anyone know how to avoid the what looks like waves in the sky? submitted by /u/goldenstatehate

Waves/Circles in Background? What causes the odd waves in these photos? It’s almost like a weird bokeh? It was in the mid 70s (F) outside and wasn’t humid, so I don’t think it is heat distortion, but I guess it could be. Taken in Wisconsin, USA in mid-July. The background is a tree and sky peaking out between the branches. I was standing at a slightly lower level than the p…