I have a question regarding the 4x5 glass carrier. Its been a long time since I 've used one. And the 4x5 film I have is still in the film holder waiting to develop. Is the area of the 4x5 Beseler carrier just a little smaller than a 4x5 neg? I want to be able to file it but before I do, just wanted to make sure that I can view the entire frame. I just want borders on my 4x5 like the way I print my 35mm and 120mm film. Do I need to file it or will the openning be big enough? I have to wait til this weekend to develop my film so I figure I can start filing away soon.