Needs something to indicate scale.
It looks very small to me.
If that’s a half mile away, I want to know how high off the water that boat is to get that angle.
I’m guessing its no more than 50 feet away and its a fish. After all, this guy apparently makes his living convincing people that there’s a monster in the lake.
Notice the tower ruins in the upper right. That structure seems to appear in a lot of Nessie photos, but if somebody knew the dimensions of it, then you could get an idea.