Archived posting to the Leica Users Group, 2011/12/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]So the extra resolution attributed in the original article to the process itself is wrong then? FD On 1 Dec, 2011, at 08:32, Marty Deveney wrote: > At a fine enough scale the Daguerrotype medium still has an innate > grain structure - the process works by light activation of silver > iodide, after all, and the image doesn't just mysteriously appear out > of nowhere. There is also a serious catch in terms of what you can > photograph - the fastest speed you can coax out of a Daguerrotype > plate is less than that of printing paper - let's say maybe ISO 0.1 in > terms of modern film ISO ratings. That alone introduces other > limitations. But a silver iodide modern film of the same size would > have about the same resolution, if you could keep it in place for the > long exposure times. > > Marty > > > On Thu, Dec 1, 2011 at 5:50 PM, Frank Dernie > <Frank.Dernie at btinternet.com> wrote: >> Very interesting indeed. I had never read the detail of the process. This >> looks like a genuinely lens/focus limited sharpness system. >> >> A good friend of ours gave up on making a living with conventional >> photography, and having originally trained as a silversmith, he started >> doing modern daguerrotypes. He also, being a good mechanic, got >> interested in the old cameras and restores them too. >> >> http://www.daguerreotypes.co.uk/about.htm >> >> FD >> On 30 Nov, 2011, at 21:27, Sonny Carter wrote: >> >>> Interesting Read >>> >>> >>> http://www.pixiq.com/article/the-devil-in-the-daguerreotype-details >>> >>> -- >>> Regards, >>> >>> Sonny >>> http://sonc.com/look/ >>> Natchitoches, Louisiana >>> >>> USA >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information