Originally Posted by
Jerry Bodine
RM, I don't think it would be cost effective, given the cost of film/chemicals needed + your time, when you consider the price of Rosco's 20x24" ND sheets. Back in March 2012 I contacted them to ask their prices for Window Filters ND.15, ND.3 and ND.6 - thinking to stack them in various ways to achieve additional densities. However, my interest was to slip them between two acrylic diffusion sheets I made as a holder, to be held in front of lens for film pre-exposures (to reduce contrast with normal dev time), I was not particularly concerned about optical quality. Rosco's response was $8.25/sheet. That would allow you to cut whatever size you might need and still have much left over for re-makes. So I'd heed Vinny's suggestions. Just a thought.
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