All is revealed in here: http://www.dalelabs.com/downloads/catalog.pdf
Search for "how we make slides from negatives" B > On 2 May 2014, at 20:11, "John" <[email protected]> wrote: > > I've mentioned before that I kept my negatives & slides in archival > sleeves in binders & that most of the binders were destroyed when my > home was damaged by Hurricane Fran (roof came off, ceilings collapsed, > binders buried). > > In the years since I've found some quantity of materials I hadn't gotten > around to properly preserving and these materials survived the disaster. > With my Nikon scanner now working under Windows 7 I've started scanning > the old slides & negatives that survived. > > My first impression is the reason that I never got around to placing > them into archival protectors in the binders I kept is that most of them > weren't very good photography. I collected the best into the binders & > the rest languished. > > Among the surviving materials is a box of slides from Dale Laboratories. > Dale used to advertise in the back of Popular Photography & Shutterbug > that you could send them your regular color negative film & they'd send > back prints, negatives *and slides*. > > I've been trying to figure out what kind of film process Dale used to > produce the slides. I think what they did was expose the negatives onto > film that was made for motion picture prints (i.e. the film that went > through the projector in the theater). > > Google has let me down. I can't find any site that gives me an > explanation of the process or tells me what the likely film would have > been. Almost everything I turned up wanted to tell me how to scan the > slides I already have, but no one has a site about the process of > creating slides from negatives. > > Anyway, one of the "rescued" Dale Laboratories slides, scanned & processed. > > Monkeys at the North Carolina Zoo in 1988. > > https://www.flickr.com/photos/jb_sessoms/13904232928/ > > Most likely I took this with a Tokina 70-210 zoom on a Pentax Super > Program. There are a lot of artifacts that I don't think came from the > dust removal process, because they're scattered throughout & not just > where there was dust or dirt I couldn't get off the slide before scanning. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
