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Filming with 16mm Print Stock


Chloe Charlton

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Very good idea!

Lab stocks aren’t manufactured to a reproducable exposure index, they’re just made, so the batches vary somewhat in speed. Labs then bracket in on a given batch. You can assume ISO 8 to 10. Trial and error will tell.

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Do yourself a favor and if you shoot on lab stock for any serious work, shoot a chip chart on the head of the roll for each roll to allow for the variations that Simon notes. 

When we do emulsion batch changes on film stock in processing, we do what is called a "crossover" test that allows us to match the incoming stock emulsion batch to the outgoing one to maintain our lab-wide settings.

A color chip chart would at least give a colorist a baseline correction to bring all the rolls to a uniform, neutral start before grading the entire lot.

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Keep in mind that is orthochromatic film (blue sensitive) - cool, in that you can handle it under a safelight, but may not give the look you want when filming stuff out in the world.  Their duplicating film would give you all the good and bad points of that print stock, but is panchromatic:

https://www.orwouk.com/dp-31

Also worth pointing out the usual warning that running polyester-based stocks in a camera can cause issues because it doesn't tear if there's a jam.  (This warning always comes up as a theoretical; I have never actually seen a story of a camera damaged in this way.)

Duncan

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On 1/10/2022 at 8:45 PM, Duncan Brown said:

Keep in mind that is orthochromatic film (blue sensitive) - cool, in that you can handle it under a safelight, but may not give the look you want when filming stuff out in the world.  Their duplicating film would give you all the good and bad points of that print stock, but is panchromatic:

https://www.orwouk.com/dp-31

Also worth pointing out the usual warning that running polyester-based stocks in a camera can cause issues because it doesn't tear if there's a jam.  (This warning always comes up as a theoretical; I have never actually seen a story of a camera damaged in this way.)

Duncan

Which is 3383? Thanks.

Edited by Dennis Toeppen
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3383 is a color print film, a whole different ball of wax than the B&W lab films the OP is talking about.  It's going to have no orange mask which could be a good or bad thing to have in a negative depending on what you're doing.  Or process it as reversal film and get some weirdness.

Duncan

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