F stops, exposures, DOF, IS, USM, Macro, (micro?), Prime, tubes tc, ISO…
Other than very basic grasp of 'point and shoot', this is all new to me. However, I am making advances. It is getting easier to figure out why I DIDN'T get the shot!
My first attempt at 'in-flight'. (Not Master Bevb's 'true in-flight', but a simple display flight.)