John Francis wrote > As for practicing and learning the subject - I'd have thought > that the photographer who was prepared to experiment with the > techniques involved, and see how they affected the resulting > images, was doing a better job of that than one who refused > to even consider one approach.
to which arnie writes standing on the side of a dark road and setting off flashes in drivers eyes strikes me as a not-so-good way to experiment with the techniques involved.

