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Month: August 2010

4×10 film holders

parts, 4×10 film holders

Having just finished, here’s a few fresh observations on making film holders.
Too thin is problematic- this reduces options for light baffles, makes joinery very thin, especially the darkslide baffle rail. I found some .03″ velvet (plain backed) and used up the .002″ brass shim stock left unused from my last adventure in filmholders. All said and done it worked out well, just tested one out in the sun loaded with film for a few minutes and no leaks. Wouldn’t want to make them any thinner. But the extra thinness does allow the option of  making an adapter instead of an entire new back- the shim needed to bring the film holder to same spot as the ground glass can double as the base for the adapter, which would simply slide into the  existing 5×12 back. Continue » 4×10 film holders