I went out hiking with some visiting family yesterday in the foothills of the Rockies not too far from my house (I *love* the county open space parks where I live). I debated between taking just my 18-55II for simplicity versus my usual bag of primes, and the bag of primes won out. Turns out I needn't have worried about taking time to change lenses - the DA15 never left my camera. Next time I'll probably just do that.
BTW, that's not a dust spot in the picture above, but a bird.
At one point, I saw my nephew (above) leaping across the rocks, but not in time to shoot. So I asked to make the jump again. Luckily his mother was not within sight. It took four takes to get this:
My wife took this one of me: