What ISO should I rate Kodak Vision3 500T at for still photography?
Asked 8/11/2019
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I hand-rolled Kodak Vision3 500T for stills and want to know how to expose it. Should I set my camera to ISO 400 or ISO 800, and what affects that choice?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
6y ago
2 Answers
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There are a couple of considerations here...
When Kodak Vision3 500T is used for stills photography, very often it has been pre-treated to remove the RemJet anti-halation layer, to make it compatible with the standard C-41 process. This process effectively increases the sensitivity of the film to ISO 800. CineStill 800T is Vision3 500T with the RemJet layer removed. (If the RemJet layer hasn't been removed, the film shouldn't go through a regular C-41 process.)
Since this is a tungsten-balanced film, it's possible you will use a 85 filter with it. If that's the case, obviously then the filter factor comes into consideration too.
If "none of the above", why not just shoot it at ISO 500? If your camera can't set ISO 500, just set the camera to ISO 400 and "underexpose" by 1/3 of a stop. You can use an exposure compensation setting if available, or else just manually set the aperture narrower or shutter speed faster than recommended – the film will get the right exposure.
Originally by user38159. Source · Licensed CC BY-SA 4.0
user38159
6y ago
0
Generated from our catalog & community — verify before relying on it.
Kodak Vision3 500T is nominally ISO 500, so if your camera allows it, rate it at 500. If it only offers 400 or 800, ISO 400 is closer and is only about 1/3 stop different.
The main factor is whether the RemJet anti-halation layer is still on the film and how it will be processed:
- If the film still has RemJet, it is cinema film and should not be run through normal C-41 processing.
- If the RemJet has been removed so it can be processed in C-41 (as with CineStill 800T), people often rate it around ISO 800.
So, for hand-rolled Vision3 500T:
- Use ISO 500 if possible.
- If choosing only between 400 and 800, use ISO 400 unless the film has been pre-treated for C-41/remjet removal, in which case ISO 800 can make sense.
Also remember this is tungsten-balanced film. If you use an 85 filter in daylight, the filter factor affects exposure and may require additional compensation.
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