I just thought extinction was a formulae modelling the observations. of the form A*e(exp(-Bx)) The solution of the differential equation for extinction, you know....? That the loss of light per unit length is proportional to the light intensity at that point.... Chris. -----Original Message----- From: owner-photoforum@listserver.isc.rit.edu [mailto:owner-photoforum@listserver.isc.rit.edu]On Behalf Of chandler Sent: 25 October 2002 08:10 To: List for Photo/Imaging Educators - Professionals - Students Subject: Re: Just how do filters work? Bob Talbot <BobTalbot@st-abbs.fsnet.co.uk> writes: > Well, if this is anything to go by it looks like quackery to me. > http://www.extinctionshift.com/details.htm > > I'll get back to you. I quote from the page: <meta name="GENERATOR" content="Microsoft FrontPage 4.0"> Doesn't look good. And then: <p><font size="5" face="Times New Roman"> Uh-huh. It's quackery all right. Brian Chandler ---------------- geo://Sano.Japan.Planet_3 Jigsaw puzzles from Japan at: http://imaginatorium.org/shop/
