>>4158547back of the plate has remjet or something then. the plate can even just be cut from a sheet of thin plastic as well. remjet covers the entire rear of the plate, emulsion covers a portion of the front.
It doesn't even have to be remjet. even black paper would work.
>>4158556you could probably actually build something like this by cutting down large format film to the required size or maybe cutting 35mm movie film into short strips and hole punching it. lens just needs to be one with a leaf shutter
