When your on the battlefield or in camp, shades need to come off.
I know that! But while riding in the battle scene I had to wear my photo grays. If I took them off I'd be blind as a bat! Most of the guys who participate in those battle scenes wear their glasses. They don't get that technical here. Some take to wearing period style glasses, but most don't. I have heard that for those big reenactments down South and for the Gettysberg reenactment they get real sticky about glasses. But what is a person supposed to do? Ya gotta see things!