I was using a Hasselblad Flextight scanner the other day at the wonderful Stills Gallery in Edinburgh, Scotland http://www.stills.org/facilities and I was impressed with the simplicity of the magnetic film holders. Essentially you peel back the magnetic layer, lay the film on the metal bed and let the magnetic top layer back down, so holding the film flat. Occurred to me that if I could get a hold of magnetic sheets I could convert my old mahogany bookform plate holders so that they were film friendly.
After some "research" - quick search on a well-known auction site - I found "L" plates for UK learner drivers made from magnetic sheeting - £1 per pair including postage. Not going to break the bank. These adhere to the metal inserts in the holders.
I'm pretty happy that this will keep the film in place but the metal divider in the holder is very thin and prone to warping - it's not completely flat. So the film conforms exactly to the contours of the insert but that may not convert to absolute film flatness. So that's one problem.
Another is what I will call the "register" - can't be certain that the film sits in the correct place i.e. the same distance from the lens as the GG so this could cause focus issues - will that matter for landscapes? Will it matter more for portraits?
Any other issues I should think about - this is just so that I can use my old Century Grand 1/2 plate and maybe my Sanderson and Lancaster cameras in due course.
Maybe there are other threads on this - if so please let me know. I couldn't find any but search terms may not have been the best.
Here's a couple of pics from my phone. Any help appreciated.
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