If your budget permits, it might be more reasonable to convert from 70mm to 65mm. In the early '70 I bought a lot of parts from this firm when I was building a high speed motion picture film printer. They're still in business. http://www.lavezzifilm.com/motion-picture-replacement-parts.aspx Bill Pettit -----Original Message----- >From: Andrew Davidhazy <andpph@xxxxxxx> >Sent: Apr 18, 2014 9:43 AM >To: List for Photo/Imaging Educators - Professionals - Students <photoforum@xxxxxxxxxxxxxxxxxx> >Subject: Re: 70 mm film > >Thank you all … but it seems the options for new stock are VERY small. Kodak would probably run >a batch but it would probably be expensive. Since they still coat B&W in 35 mm they probably would not >have great difficulty in running it as double wide. I don't know if the sprocket pitch would be the same >but I also imagine they have perforating machines still hanging around. > >Most motion picture shooting stock is actually 65 mm and then it is printed on 70 mm print stock. > >Thank you again, > >Andy >