"Tutor and Trainer"
...As an aside, I built from scratch a 6-inch Newtonian reflector telescope while in grade school. By doing that, I learned the ins-and-outs of optics that were transferrable skills to photography (f/stops, using light, depth-of-field, image magnification, and the like). I am well-versed in aspects of photography like the Ansel Adams zone system, film...
10+ subjects, including precalculus