I had a reply from the camera shop: ---
Our in-store committee thinks it might be a copy-neg/slide from a litho original, hence seeing all the lines from the pre-press screens used in the print process. If not that, then we’re in the dark too. --- I'm interested to know what others think. Cheers, Dave On Feb 28, 2014, at 12:27 pm, steve harley <p...@paper-ape.com> wrote: > on 2014-02-27 14:32 David Mann wrote >> Here's something the more experienced photographers might be able to help me >> with... >> >> Among these old slides I've been scanning are a handful of colour ones which >> are not part of the Australian stuff. A few of these colour ones (but not >> all) appear to have a kind of halftone pattern. See here for an example at >> 1200ppi. >> >> http://gallery.multi.net.nz/photo/771/ > > can you post a snip at 100%? the pattern as far as i can make it out doesn't > have traditional halftone angles, and appears to be RGB, rather than CMYK; > this would suggest it was shot from a display or some other transmissive, > rather than reflective, source; what that could have been in 1951 i have no > idea - is the actual slide from 1951, or is it perhaps a repro slide shot off > of a video of the original? > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > 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 PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
