the closest thing to automation i would do and have done
is put the film in containers and pour developer in there and leave the room for 1/2 hour ...
its nore really automation

I've been guilty of that.
the closest thing to automation i would do and have done
is put the film in containers and pour developer in there and leave the room for 1/2 hour ...
its nore really automation
I horde all my exposed C-41 in the freezer until I have enough to justify buying a kit and then I develop it all in a matter of a few days. So once a year just about I develop all my C-41 that I accumulate. I get about 24 rolls out of a standard kit before weird things start to happen. At around 24 rolls I switch over to junk expired stuff and can get about another 10 rolls out of the kit.
I do something like that.
I have a CPP2 and a Duolab, Kodak 11 and 16k drum processors, 30 or 40 different roll film tanks, 20 or more hard rubber tanks, big 8x10 SS tanks etc etc. SO YES I would probably have to have one of these things too. Best thing about Jobo is when processing film, I get my hands in the warm water, invariably nature calls. Gives me a couple minutes to, well you know. Fully automated, I could go take a nice warm bathThe skepticism is understandable. And I may well not hit the $300 price point that I'm aiming for. But this isn't just a random number I threw out there because it sounded good. We're fairly early in the design and engineering process, but so far we are very much on track to hit our price point.
$300 sounds insane if you start by looking at the price of a Jobo.
What I have done instead is approach this as an engineering problem with really well defined goals broken down into relatively simple steps: basically, get several volumes of liquid into and out of a moving tank at a consistent temperature in a way that is reliable and repeatable. I don't think it has to cost 4 figures to achieve this end goal.
By all means, keep the feedback coming!
Hording or using the chems past?
Nice. I love people who can see a problem and sit down and make a solution. Those Nova processors are very clever and elegant solution but not a £300-700 solution. I dont even need a heated one - just some slopey perspex, drains,floatey lids, and a print holders and I'd be happy. I could make one but I'm an idiot
top work Sir/Madam !
I posted this over on Reddit as well, but wanted to inquire here as well. The Reddit analog sub is a good place to get feedback from people who are shooting a lot of 35mm C-41, but I suspect APUG has a more mature user base, and probably a much higher percentage of photogs developing their own films at home rather than outsourcing to a lab. Without further ado, here goes:
My brother and I are considering Kickstarting a unit similar to a Jobo, which does rotary processing for films from 35mm (or smaller) up to 8x10. The idea is that you can customize your steps by order of chemicals, time, and temperature. You load your film into the developing tank, fill up the chemical reservoirs in whatever order you want them to go, and then press go. Come back in 25 minutes or whatever and your film is ready to hang up to dry. Could be used for B&W, C-41, E-6, or even RA4 prints if you wanted.
Personally I've been using rotary processing for my own 4x5 work (and a hand tank for roll films), and I'm very happy with the results. But since the process is manual, I get tired of standing around waiting for 12 minutes of dev time (or what have you) and then switching out the chemicals. It would be nice to be able to set it and forget it so I could use that time for something else (like darkroom printing) while the film goes on its own in the background. In my head I imagine being able to process an entire vacation worth of 4x5 sheets in the background while I work on darkroom printing, with a minimum of interruptions - just trading out the film for an undeveloped sheet about every half hour.
We're aiming for the lowest possible price point to make this accessible to casual hobbyists, which I think is where we find our niche in the market - automatic film processing units exist already (i.e. Jobo), but they ain't cheap and usually they're quite large. So far, we're on track to be under the $300 mark, and the unit should fit on top of your average bathroom sink. I'm just wanting to do a little market research to gauge interest in the idea before we spend any more money on prototyping. We're in the early stages of design and prototyping, with very promising results so far (and a lot of work yet to do) Feedback would be welcome from my fellow film shooters.
To the mods, hopefully this post doesn't violate the rules of the forum. The film community is one I love to be a part of, and I'm just wanting to get some feedback on our idea. If we do decide to take this to market, I hope to help spread the news about the Kickstarter here as well. Thanks all!
TL;DR: My brother and I are designing a "set it and forget it" film processing unit for all formats up to 8x10, it should be under $300. Is this interesting to anyone besides me?
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