The "Black Cat Exposure Calculator" sold at Pinhole Resource is a
dial calculator that extends to very small aperatures ( f/ 1024) and
long exposure times (27 hours). It doesn't include reciprocity, since
that varies from one film type to the next.
Mike Vande Bunt
Richard Koolish wrote:
> It's easy to make a dial calculator like the one on an exposure meter, but
> that goes to longer exposures and slower film speeds. I've got one on
> my web page at http://linux.bbn.com/~koolish
>
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Received on Thu Dec 28 23:12:36 2000
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