“What lens did you use for that picture?” The only question less helpful to a growing photographer is probably, “What settings did you use for that picture?” Not because I think they are helping a newbie “cheat”, or because I might think it is copying, or ever — God forbid! — because I have some secret combination of shutter and aperture that is magic for me. It’s because it really doesn’t matter.And more importantly, me telling you how I set…