My interests, enthusiasms, and areas of expertise are errant: they persist in wandering off, but they eventually seem to come back from their assorted quests and reassert themselves in my consciousness and activities. So it has been with photography, as with music and woodworking and Information and Science Fiction and Literature and and and… When a particular fascination resurfaces, it has a whole new set of previously unrecognized (or imperfectly appreciated) facets that tempt me into a new Odyssey of exploration. This generally means the acquisition of new tools and resources, to carry out whatever new Grand Schemes assert themselves as necessities. Fortunately, the spouse is well acquainted with the pattern, and is skilled at eloquent rolling of the eyes.