Thanks, Jeff.  I'm using a sekonic incidental (analog) light meter.
If I rate it at 200 ASA Daylight, and open up two stops, this should be
correct, no?


On Wed, Jul 24, 2019 at 6:07 PM Jeff Kreines <j...@kinetta.com> wrote:

> How you use a light meter can also be a significant factor — poor metering
> technique can give readings that are several stops off. My personal
> preference is an incident meter.
>
> With reversal stock always err towards slight underexposure.
>
> Good luck. Shoot short tests.
>
> Jeff Kreines
> Kinetta
> j...@kinetta.com
> kinetta.com
>
> Sent from iPhone.
>
> On Jul 24, 2019, at 7:20 AM, Scott Dorsey <klu...@panix.com> wrote:
>
> >> I am not getting it. Is 200 ISO the native speed of the film? Or is it
> 160 ?
> >
> > It is both.  The film is less sensitive to red light than to blue light,
> > so if you expose it in red light, the effective ASA is lower.  If you
> > are exposing with tungsten light, you use 160 ASA, while if you are
> exposing
> > with daylight, you use 200 ASA.
> >
> >> Most Super-8 cameras have an orange filter for daylight.
> >> But for b&w one would always open the filter right?
> >
> > Right, you disable the 85 filter.  It's a bad idea in any case.
> > --scott
> >
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