"Oliver Raymond" <[EMAIL PROTECTED]> wrote: > Hi folks.. Once more I return to the font of all knowledge:
[Using Duplicating film.] > QUESTIONs:... > How in HECKS name can I calculate "5 footcandles (54 lux)"... what f-stop is > this? I can measure light using my Sekonic 501... > Looking at the curves, I'm going for density of 1 with 20 second exposure > (20 lux seconds)... Is this correct, or have I got it wrong? The `Ultimate Exposure Computer' might help you. There is a EV/Lux/ Footcandle chart near the bottom of that page. I guess that you will end up around EV 4.5 . http://www.fredparker.com/ultexp1.htm > >http://www.kodak.com/cluster/global/en/professional/support/techPubs/f11/f009_0149ac.gif [URL repaired.] -- http://ebg13.com \\|// Registered Linux user #78364 - The Linux Counter - http://counter.li.org Assume nothing, expect anything. - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .