> From: koloshor > > Ray Fraser. He hangs around the digital photography forum over at > photo.net. > > He's scraped them off (doing enormous damage) but has finally managed > to successfully disolve one, just this week. That's good news. I'll have to check him out. > Use a Wratten 87 (Hoya RM90), instead of that Wratten 89B (Hoya R72) > of yours, and you'll see true IR monochrome. Is that a 900nm cutoff filter? I would expect longer exposure times with that. With the R72, I can barely hand-hold my DiMage 7 in bright sunlight. Not that I'm not willing to try it. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@...
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RE: [Digital BW] digital IR conversion
2005-06-02 by Paul D. DeRocco