Frimann, If you can't obtain surplus copy lenses at your location, check out http://www.surplusshed.com I've bought a lot of surplus optics from them and they are a relible supplier. I'm sure they can ship internationally. Bill -----Original Message----- >From: Fr�mann Kjer�lf <kjerulf@xxxxxxxxx> >Sent: Feb 20, 2006 4:24 PM >To: List for Photo/Imaging Educators - Professionals - Students <photoforum@xxxxxxxxxxxxxxxxxxxxxx> >Subject: Question regarding an homebuilt focusing schlieren system > >Hi there > > >I'm currently planning to set up a focusing schlieren system as a >project at my school. > >I'm using the technique andrew davidhazy describes on his website: > >http://www.rit.edu/~andpph/text-schlieren-focus.html > >My question is: Will this setup work with my Canon EOS / FD lenses ? > >What I have is : >50mm f/1.4 FD by Canon >50mm f/1.8 EOS by Canon >100mm f/3.5 by Vivitar >100-300mm f/4.5-5.6 by Canon > >Andrew says on his site: "It is desirable to use a large aperture, >relatively long focal length lens for the imaging lens. Some surplus >copier lenses can be applied for this purpose. " > >So I guess my 50mm lenses will not do the trick? > > >Thanks in advance for any answers >Fr�mann Kjer�lf >
