Just as a side note. The orbit camera dials are 360 degree rotations around the focal point. They "orbit" the object. That is, they circle around the point of origin. an orbit of 15,000 is an awful lot of circles. Trans dials affect the distance from the focal point.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)