I don't currently own a MF or LF camera. The past several months I have been considering exploring LF with a 4X5. However, since I've been taking a 35mm B&W photography class, many questions have arisen as to whether MF would be a more cost effective alternative to LF. These questions have centered around film processing and printing and the time, effort and expense associated with those processes. I must admit the biggest concern I have about going the LF route is the cost of accoutrements needed for this format (lens boards and shutters, dark cloth, film, film holders, and lenses). I also realize I've been waffling between MF & LF. The only cameras out of these two formats that I have even considered are the Chamonix 45n-1 and the Mamiya RZ67. The Mamiya RZ67 PRO II seems like a good option. I believe you can rotate the back (portrait to landscape). I don't know much about Bronica's. Has anyone out there used both or either cameras?