alan_chin Posted February 1, 2007 Share Posted February 1, 2007 I posted some questions regarding 70mm film on the Medium Format Forum butdidn't get many responses... I did an extensive search in the archives and there was a very recent threadabout this here... Basically, it seems that the only readily available 70mm is Kodak Portra C-41,in ASA 160 and 400. The B+W Tri-X and Plus-X on the B+H website demand minimumorders in the thousands of dollars... And reading old posts mention modifying Hasselblasd 70mm backs to be able totake the UNperforated as well as the perforated film. Does anyone have one of these backs or know the technician who did themodification? It seems simple to DIY but I'd rather get it from the experts. Thank you! Link to comment Share on other sites More sharing options...
leicaglow Posted February 1, 2007 Share Posted February 1, 2007 I thought I read your other post and it had some answers. You might contact someone like David Odess and see if he can do it or know someone who does. Have you done any Google searches on the subject. I was all set to make the jump after buying a 70mm back for my EL/M, but realized I missed the issue about getting a bulk loader, so I gave up my dream of endlessly shooting film without reloading!<g> Link to comment Share on other sites More sharing options...
alan_chin Posted February 1, 2007 Author Share Posted February 1, 2007 thank you for the lead to Mr. Odess, just left him a message. But you don't really need a bulk loader, do you? You can do it by hand in the dark...admittedly clumsy...but putting in a half hour of manually loading up a few cassettes will provide for hundreds of frames of shooting... I acquired a 10 ft. developing reel -- if i ever find some Tri-X or Plus-X -- and the C41 Portra that they still do sell can be fed endlessly through a roller-processor like the kind that most 1-hour labs use, no? Link to comment Share on other sites More sharing options...
john_shriver Posted February 1, 2007 Share Posted February 1, 2007 Lots of 1 hour labs now use a leader card system. You tape the film to an oversized plastic card, which is the "tractor" that pulls it through. There is a maximum film length. Not clear these machines can even process the 220 length. Or if they can process film 70mm wide. There certainly are commercial labs that will do full 100 foot rolls of 70mm film. Not sure that they would be interested in cranking up the machine for 10 to 15 feet. Especially since orders are really falling off in this format. Link to comment Share on other sites More sharing options...
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