Hi all,
I had been looking for a way to use a recent purchase of a 'modern' 4x5 film holder on my 1900s Butcher & Sons National view camera, which is the slightly outdated 1/2 plate size. Having found very little on how to proceed, I decided to sacrifice one of the 2 plate holders that came with the camera. Having removed the brass clips and hinges holding the 2 halves together, I found to my amazement that the 4x5 film holder just slotted right into the grooves inside the book style plate holder. I just needed to add a mahogany spacer between the 2 original halves and make it a bit more robust by refitting one of the dark slides, sightly reduced in length. The distance required from rear standard edge to the ground glass seems about roughly the same with this new holder but does this distance really to need to be exactly the same to enable photos to be in focus or is there some latitude in this? I measured about 8mm from the original holder and the new one might be about 1mm wider. Before I test it, just need to make a 4x5 mask for the ground glass!!
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