some 35mm (as well as most 120) films that I remember using would wash out all sorts of colorful antihalation dyes.
B&W cine stocks don't have remjet so I think the stuff was just a holdover from times of yore or 'its the way we've always done it' mentality.
That probably has more to do with the development infrastructure - black and white motion picture film labs were in existence long before colour motion picture film came into being, and they would not have been set up for anything like remjet.
In modern times it is sometimes difficult to appreciate how much of what has come to be was actually motivated by the commercial film developing world, rather than the desires and needs of individual still photographers.
Remjet fulfills several functions during exposure:
* anti-halation
* lubrication
* scratch protection
* static buildup & discharge protection
So replacement of the remjet would mean these functions have to be allocated to other elements of the exposure system. These can be part of the film, or of the taking camera.
Partly, and in some respects less effectively than in e.g. Vision3; so I'd say yes/no.This is all built into something like Eastman Double X?
Well, dyes wash out. The question is whether they're (also/only) antihalation dyes. With color film, I don't think so. In fact, if you take Vision3 with remjet and wash it, it'll release magenta dyes that for sure are not part of any antihalation package since that's managed by remjet. The magenta color that washes out is the exact same as the color I see when washing out Kodak C41 films as well as Fuji-made C41 film (old Superia from the Dutch factory when that still made it).
Black and white film rolled through the cameras just fine and didn't have issues with halation though.
Is remjet an environmental concern? I wouldn't think so? California has some pretty demanding standards. Could be something that's coming down the road.
Maybe simply a cost reduction effort. Supplier/availability??? There's got to be a reason.
Is remjet an environmental concern
I understood that one role for the remjet backing was to "lubricate" (for want of a more accurate word) the passage of cine film through the film gate, especially for 65mm full iMax which moves at about 1.5 m/sec (I think).
There's got to be a reason
Filter dyes are generally not water soluble -- at least in color films.
Because the C-41 chemicals are very potent, the film can be shot at iso640 or iso800 instead of the designated iso500.
They said it was shot at ISO 640, in c-41
These people are in it for the...
You say it like people are in for a big surprise. Cinestill has been selling tungsten ECN-2 ISO500 film that people regularly shoot @ISO800at in daylight and process in C-41 for 10 years. I'm pretty sure that the fact that this film now has AHU will not make it worse in such conditions.
Anyway, there is probably slim chance that Reflx will be respooling the new 5219 and it's quite possible that Alaris will block the sale of the 5129 with AHU to Cinestill. I can easily imagine that Cinestill will be stuck with what they are getting from Kodak now (no remjet and no AHU) and that AHU Vision3 films will be very very rarely used in still cameras (probably limited to odd rolls that get "lost" in movie production).
So a 500-speed tungsten-balanced ECN2 film underexposed in daylight conditions and cross-processed in C41 developer. These people are in it for the top notch results, that's for sure! "Hey, we'll fix it in post."
CineStill put a teaser on Instagram recently, with the picture of a plus symbol, which mentions something "years in the making" is being announced for release. AHU has been eight years in the making, so it very well could be AHU V3 film coming up.
Yeah, that's OK. There's several hobbies interacting on a forum like this one, including process enthusiasm, camera collecting and sometimes a tiny bit of photography to keep them glued together.
That is very interesting. If true, it would open another dimension in the Alaris-EK cine vs. still film debate. Namely, that Cinestill could in fact be the major beneficiary in the cine film respooling crackdown.
Given the very tight bonds between EK and Cinestill personnel it wouldn't surprise me. It would surprise me if Alaris wouldn't do anything about it, though. Because if they can't, I can see EK getting back their customer still film business through Cinestill. Basically for free.
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