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slides for testing lighting setups


Guest Erik

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I recently read that the guy who did the sundance movie Primer went out and shot slides of his lighting setups and exterior situations to see how they'd actually look -- his logic being that slide film and processing is close to motion picture film /processing. And that it was a cheap way to previsualize.

What do you guys think about this as a previsualization tool? And how would you set up a 35mm still camera to mimic the shutter/film speeds used on a 16mm movie camera?

thanks - this forum is a gas to read and incredibly useful.

Erik H.

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People have been doing this sort of thing for ages, and it certainly helped this ultra-low budget film get made along the way. A movie camera running 24fps with a standard 180 degree shutter exposes film for 1/48th of a second. Most common SLR still film cameras have a 1/60th speed shutter setting available, which is pretty close. Film sensitivity speeds are measured in the same way. When shooting tests such as this it's not really about overall exposure as much as relative exposure between your various light sources. This is the type of test that can help you determine if a backlight is too bright or a practical lamp should have a weaker bulb in it.

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  • 5 months later...
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AFAIK, these labs usually use motion picture print stock, hopefully Kodak VISION Color Print Film. B) Although Kodak does make a C-41 print film for making slides:

 

http://www.kodak.com/global/en/professiona....14.15.18&lc=en

 

The other question to ask is how they determine the color balance to print your negative to print film. Is each roll printed at the "lab light", or at a "best light" for the entire roll on the printer? Can they correct each image individually (unlikely if they are using a continuous contact printer)?

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