Hi, Yes, I thought the version from yesterday was ok.
Earlier today I re-did it using the rebate, and I think it’s better, and repeatable. After I’d done it I realised why it works, and how rational it is - as you describe. One of those things that’s obvious after the event. I can’t do colour work that relies on my judgement - I will have to find a way that works by numbers, or outsource it. I don’t think the volumes will be particularly high, and it’s only negatives that matter, slides don’t really require me to make any colour judgements. B > On 21 Apr 2020, at 15:10, Godfrey DiGiorgi <[email protected]> wrote: > > That's a pretty good result for a proof sheet! > > The film rebate is usually the best reference because you know it should be > clear film … thereby white if considered a positive, invert to pure black in > the actual positive. :) > > Fun stuff, I'm glad to see how you're progressing with this technique. It's a > nice time savings to getting an reasonable index print so you know where to > go for finish capture. > > (Yes, I don't know how you'd do finish rendering on color work if you're > color blind. I can imagine some numerical analyses, but …!! ) > > onwards! > G > > >> On Apr 20, 2020, at 1:34 PM, Bob Pdml <[email protected]> wrote: >> >> Thanks again. After your reply yesterday I retried the colour negs but this >> time used the WB dropper on what I knew to be white - the whitest part of >> the window frame in neg #28. I then inverted the curves, and this is pretty >> much what came out, which is not bad at all for current purposes - top row: >> >> https://lightroom.adobe.com/shares/4b4aeebf424b4d5aaeeadd495b883953/albums/de5820d8befe4c0a928b9af08a18ae93/assets/e00c74794c6b491f928695c2991280d1/metadata >> >> I’ll try using the film rebate too. When it’s not obvious from the negatives >> where the best white it becomes a bit haphazard. I have ordered a roll of >> Ektar 100 and will shoot a series of bracketed shots, with notes, of my >> white balance card and, when I find it, my Q-60 target. If I include these >> negs with a set then I will always know where there is a standard white, >> even though it will be different film stock, and hopefully it will be close >> enough for my purposes, which is to get a good enough positive for me to >> evaluate. >> >> When the time comes to scan individual negatives for high quality output I >> will try and learn how to do this properly. It may be that I can never do it >> - certainly not by eye as I’m colourblnd - in which case the neg will have >> to go to a lab. > > > -- > 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.

