Fresnel lenses or screens for brightening ground glass images are normally placed on the viewing side of the GG, with the grooves against the glass....
I have two 4x5's that I printed myself. One with a 90mm f8 Super-Angulon, and a 58/65mm body fitted with a pinhole. The screw cap focus is basic, and...
I have been "rolling" strips of X-ray film (Fuji ED-U) from the 14"X36" TRI-FOLD box of 25 sheets. I get 5 Spools of 120 and One 35mm strips from one...
it's very temping, but I believe that you'll get Newton rings patterns unless it will be a real glass-negative-glass assembly without any tiny gaps. ...
I can recall times when I was much younger when I made bracketed exposures, yet they all were too thin, and I put the 2 negs together in register to...