I found a Schneider Xenar from one of those names on the big auction site. It's a nice lens. I wanna buy it. But I need a board for the Crown Graphic. I had him measure the diameter and it's 37mm. I think that means a 39mm Copal 1 board will fit? I don't know, maybe someone who knows can inform me. I need to find this board!! If I find the board I have everything I need to make my Crown a shooter. Anyone? 37-39 mm hole in a Crown Graphic Speed Graphic 4x5 board?