Hans, Thank you. I'll try and use the words in conversation over the Holidays: "My New Year's resolution is to get up early each day and use my mesopic vision." "A diet of carrots improves scotopic vision." "Did you know that tinted glasses distort photopic vision Mr Bono?" AZ Build a Lookaround! The Lookaround Book, 4th ed. Now an E-book. http://www.panoramacamera.us > -------- Original Message -------- > Subject: Re: Interesting article > From: Hans Klemmer <hansklemmer@xxxxxxx> > Date: Wed, December 21, 2005 10:58 am > To: List for Photo/Imaging Educators - Professionals - Students > <photoforum@xxxxxxxxxxxxxxxxxxxxxx> > > Alan, I Googled the word "mesopic" and got this:Mesopic Vision(Term of physiology)Mesopic vision is the scientific term for a combination between photopic vision and scotopic vision in low but not quite dark lighting situations.The combination of the higher total sensitivity of the rods in the eye for the blue range with the color perception through the cones results in a very strong appearance of blueish colors (e.g.. flowers) around dawn.The human eye uses pure scotopic vision in the range below 0.034 cd/m2, and pure photopic vision in the range above 3.4 cd/m2. > I hope that this makes things perfectly clear. > Hans Klemmer,Dept. of Photography,College of DuPage > > "(Professional) photographers are like hookers: at first we started doing it because we liked it and it felt good, then we kept doing it but only for our friends, and NOW we're still doing it but are charging money for doing it!" ? Dean Collins > > > On Dec 21, 2005, at 7:50 AM, lookaround360@xxxxxxxxxxxxxxxxx wrote: > > Marilyn, > > > Which part of this were you interested in??? I found "Reality and > digital pictures" interesting, but long winded. It discusses the > limitations of photographs for art besides the old film v. digital > stuff. > > > The author used an obscure but useful word I'd never seen: "mesopic" > Couldn't find it in my ten pound Websters. > > > Peace and prosperity, > > > AZ > > > Build a Lookaround! > The Lookaround Book, 4th ed. > Now an E-book. > http://www.panoramacamera.us > > > > > > > > > -------- Original Message -------- > Subject: Interesting article > From: Marilyn <marilyn@xxxxxxxxxxx> > Date: Wed, December 21, 2005 8:12 am > To: List for Photo/Imaging Educators - Professionals - Students > <photoforum@xxxxxxxxxxxxxxxxxxxxxx> > > > > > http://www.tidbits.com/tb-issues/TidBITS-809.html#lnk7 > ___________________________________________________________________________________________________ > Treat people as if they were what they ought to be and you will help them become what they are capable of becoming. > > > Johann Wolfgang Von Goethe > ____________________________________________________________________________________________________ > > >
