Shot with a D810 and 70-200/f4 lens. Not sure if I used an extender here.
If I did it was the 1.7 as that is my only extender.
ISO 200 1/400 at 200 mm (in case of extender 340 mm)

Shot has been straightened and I did some cloning.
One window was busted and a few minor things edited out.

Shot in Miami from Bayfront Park