Frog season starting, alas, today it was rainy and although I had a mattress and pillow under the lens, and a rain cover over the rig, the Z8 malfunctioned. I got my shots but the camera won't turn off. I guess it's off to service tomorrow. I didn't expose it to heavy rain, there was a bit of light rain but mostly I handled it with the rain cover.
Anyway, it seems the lens is quite capable of this type of situations. Made it black and white to please my desire for high contrast.
Z8, 100-400mm at 400mm, f/11, 1/100s, ISO 4000; slightly cropped (maybe 25% of the area left out to get a more level surface of the water).