So we got a new film announcement today - I'm assuming this wasn't done without market research and P&L meetings, so I'd assume Kodak believes the market is strong and has potential for growth.
A lot of this film revival is young people, many shooting Portra, a few more trying E6. And Ektachrome's return has a lot of folks excited. I'd be printing color today if Cibachrome was still around. RA4 doesn't interest me.
Is there anything in the Cibachrome manufacturing process that's really a final nail in the coffin? Like, we may never see pack film again because of the engineering involved, and the waste/environmental issues on the user side. Cadmium print papers I expect are gone forever. 35mm Polaroid was too specialized and required mechanical stuff of some complexity.
Any reason Ciba couldn't come back if the market continues to trend up?
So we got a new film announcement today - I'm assuming this wasn't done without market research and P&L meetings, so I'd assume Kodak believes the market is strong and has potential for growth.
A lot of this film revival is young people, many shooting Portra, a few more trying E6. And Ektachrome's return has a lot of folks excited. I'd be printing color today if Cibachrome was still around. RA4 doesn't interest me.
Is there anything in the Cibachrome manufacturing process that's really a final nail in the coffin? Like, we may never see pack film again because of the engineering involved, and the waste/environmental issues on the user side. Cadmium print papers I expect are gone forever. 35mm Polaroid was too specialized and required mechanical stuff of some complexity.
Any reason Ciba couldn't come back if the market continues to trend up?
I remember those days. It Ciba looked wonderful when you find the right chrome. The contrast on the material was hard to tame. I'd even made 4x5 internegs of some chromes so I could print it on C printing material. RA didn't exist back thenIt was a difficult material to use back in the day, and wasn't suited to all slides. To be honest, a positive-positive workflow is much better suited to digital now, as a way of taming contrast and getting a better final result.
When Ciba/Ilfochrome worked, it was wonderful, but getting to that point was't always easy.
Several reasons: it's apparently very, very difficult to coat - see comments here from Simon Galley, then of Harman Technology; Adox who now own the Ciba/Ilfochrome 21" test coater have not totally ruled it out, but it would likely be some way off & would need clear evidence of continuing demand; finally, it'd be really, really expensive. Frankly, I'd rather see Panchro Matrix film for Dye Transfer make a comeback...
The Cadmium/ heavy metal salts in paper issue may have had more to do with R&D costs to find work-alike substitutes (and manufacturers unwillingness to fund such at a time when B&W papers were a shrinking part of the market from the 1970s onwards) than any other aspects. The whole area of 'lithability' & what makes the role of certain heavy metal salts important is one that seems to have been poorly studied & appears largely reliant on the anecdotal evidence & claims of people who are not photographic engineers.
In fact there is. The bleach required an accelerant. However it has been so long that people have forgotten just what it is. Searching the web provides no information.
You can make your own bleach with phenasine. Look for PE receipe here in the forum.As a somewhat related question, does the bleach go bad? I have a number of P30 kits and don't know if they are still good. I'm assuming the fixer is typical B&W paper fixer and only the bleach is really unique. Thoughts?
I said in that other thread how difficult it was to coat the azo dyes. I've tried. It really takes expert know how to do it right. However, AFAIK Cibachrome used no paper emulsions. They were film emulsions due to the high speed loss imparted by incorporated image dyes. This also meant that the grain was very coarse. There apparently was no Cadmium or other heavy metals present for image toning as there would be for a B&W paper.
PE
Doing even large Ciba prints in a drum with one-shot chemistry was simple because you could drain the bleach into a bucket containing ordinary baking soda in it and instantly neutralize the acid. But at a commercial lab level using big replenishment processors, the costs to equipment & plumbing maintenance along with human health could be formidable. More stringent hazmat rules in many cities today would make it unrealistic.
But all the above complaining is depressing.
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