I just got a few of the Novak adjustables in. Very nice, as expected. the adjustment mechanism is "BoMar"type. Windage is accomplished thru loosening a lock screw (a substantial one, at that), and drifting the sight.
I was a little disappointed that the new sight won't easily retrofit the guns already cut for lowmounts, but in looking at the diagram supplied, the install requires only a slight forward cut to an existing installation. I'll post another picture as soon as I get one cut in.