Archived posting to the Leica Users Group, 2000/02/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Interesting. I wonder if this carries over to lens coverage with 4x5. I'll have to give it a try. Tom >>>>Can you explain why the film thicknes matters?<<< > >Tom, >Not really, although I could surmise based on simple geometry. But it >does seems to matter. Very thin-emulsion films show vignetting much more >clearly. If you don't believe it, take a lens known to vignette and >shoot the same scene on Ilford 100 Delta and Tri-X. The Delta will show >more vignetting. In fact, I usually run a roll of 100 Delta as my >stardard test for vignetting when I try out a lens. > >--Mike Thomas Kachadurian - ------------------- www.kachadurian.com