Archived posting to the Leica Users Group, 2007/03/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Ted Grant Photography Limited 1817 Feltham Road Victoria BC V8N 2A4 250-477-2156 ----- Original Message ----- From: "Frank Filippone" <red735i@earthlink.net> To: "'Leica Users Group'" <lug@leica-users.org> Sent: Tuesday, March 27, 2007 1:54 PM Subject: RE: [Leica] Film/Digital > Interesting arguments.... I am not sure I agree with him in the basis > that film chemistry is a binary relationship... either black > or white, whereby the clumping them gives one shades of grey by the > proportion of black to white in the clump. But I do see the > rationale in his arguments. I guess I see film as an analog product with > the individual clumps being shades of grey. The clump > size is the first issue... how big is a film clump? I have never seen > this printed, but I bet the guys at Kodak know off the top > of their hats..... > > What I do find is the fallacy that digital sensor elements are 6 microns > in size..... he does not mention that it takes 3 ( 4?) > elements to represent a pixel location, and there is space between the > sensor elements... giving the area of a pixel to something > like 6u* 3 pixels + something for space..... bigger than he claims for > film..... > > Interesting analysis...... > > Me too on the film testing stuff..... hate it. > > Frank Filippone > red735i@earthlink.net > > > http://www.luminous-landscape.com/essays/clumps.shtml > > Didier > > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.18/734 - Release Date: > 26/03/2007 2:31 PM > >