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RE: Presentation
Hello Russ:
Why is lower then summer the film ISO in winter?
And about focus, if I choose f/8 or smaller, that means focus increase
togheter the depth of field, but, how can I know if the focus is exactly?
Thanks
Belén
> Kodak Infrared film has no DX coding. The film ISO depends upon the red
filter
> used, and the developer.
> Generally people set the ISO on the camera between 200 and 400 for good
> results in Kodak D-76 developer and a #25 red filter.
>
> If you stop the lens down to f/8 or more, you do not have to worry about
> focus. If you are using a telephoto lens, this may not be true. Your Nikon
can
> use older, manual focus AI or AIS lenses. Get an old Nikon wide angle lens
> which has the IR focusing mark and you will be set. Make sure it is an AI
or
> AIS type lens so it can work with the light meter of the F-100.
> Is it summer or winter in Argentina now? In winter Kodak Infrared film may
> require ASA of 100.
>
> Good luck!
>
> Russ Rosener
>
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