Filip Habart in Prague has just introduced a new 20 x 24. Go to the website and check it out. This is a good video to watch of the set up.

https://www.facebook.com/HFcameras/?pnref=lhc

I have purchased from him before - bits of a 20x24 rather than a fully built camera like this.

This is a completely different design philosophy than the camera that Richard Ritter just built for me. Filip's camera is more than twice the weight - it is much more "metallic