Archived posting to the Leica Users Group, 2007/03/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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