Scott, I see the guy also has an 8x10 Versar which he states is 20" focal length. The Versar is an F6 portrait and view and he also states that it is 20" focal length but the 8x10 is actually a 10 3/4" focal length. Now it may be 20" if he is using it as a convertible. I have a Versar 17x20 ( 22 1/2") which is the largest they made and I love it for film. I may give it a try on 11x14 wet plate, but I don't have enough bellows to use it for a head and shoulders shot.