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Testing film


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#1 John Mackey

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Posted 31 March 2012 - 06:50 PM

Is there a way to cut off about 100 feet of film off of a 400ft roll so that I can test it in a Bolex?
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#2 Charles MacDonald

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Posted 31 March 2012 - 07:20 PM

yes.

Same way you would use if you were breaking the roll down to fit a bolex.

IN the darkroom, run the roll on a rewind, (normally in a split reel to prevent it from unwinding.) Spool off as much film as you want to another rewind. A 100ft spool will work here. You can rest your thumb on the flange to judge when you have a full spool.

Cut the film and return it to the can, then REWIND the 100 ft spool onto another 100ft spool. You can put that in a box, or right into the camera. Be sure the (now 300ft) roll is bagged and sealed, and mark it as a 300ft short end.

I often use this process to break ends down to fit my Filmo, although in that case I run the whole roll onto a vintage 400ft spool, and rewind that on to 100 ft spools. I use the 400ft spool to reduce the risk of accidental exposure.

Edited by Charles MacDonald, 31 March 2012 - 07:21 PM.

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