I just pick a spot to stand and then move until a point in the right side of the viewfinder is on the left. Also I start to take pictures on the way down so I don't ruin my hiking rythm or the experience.
You day will come - just do it early enough. I think I've been the oldest person on the three 14er hikes I did - I had to attempt Yale twice!
Sometimes death is not as tragic as not knowing how to live. This man knew how to live--and how to make others glad they were living. - Jack Benny at Nat King Cole's funeral