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  1. #1
    stradibarrius's Avatar
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    developing c-41 color film?

    I know this has probably been asked a million times but...I process my own B&W with a small 2 reel tank.

    Is developing color film as simple as B&W?
    "Generalizations are made because they are generally true"
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  2. #2
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    Even simpler. Every C-41 film gets the same processing times so you can develop different C41 emulsions in the same tank.

    The only hitches: you'll need a water bath to keep the film at 38C, though a couple of degrees either way won't be fatal. Also, sourcing the chemistry can be tricky, especially in smaller quantities. Some suppliers don't carry, or won't ship, certain components.
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  3. #3
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    Yes, it is as simple. You will just need to have a way to control the temperature (e.g., with a water jacket). I have not had good luck with the Tetenal two-bath press C41 kit. I got a magenta shift in my reds, and I didn't feel like experimenting any more, so I gave up, for now. You might have better luck.

  4. #4
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  5. #5
    EASmithV's Avatar
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    If you have a way to control the temperature, yes. I have used fish tank heaters to bring the chemistry to the appropriate temperature.

    Develop 3.5 minutes
    Blix 7 minutes
    Stabilizer 1 min
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  6. #6
    mts
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    If you have difficulty finding chemistry in small quantities take a look at the alternative C-41 thread.
    By denying the facts, any paradox can be sustained--Galileo

  7. #7
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    It's pretty simple. All the mechanical stuff is, of course, the same. The rolling, the agitation, the pouring, etc. There are fewer steps and the process is faster than b/w for me. The temperature control is the hard part. I have found the easiest way is to use a temp control valve with a built-in thermometer used for coarse temperature control, with the flow going into a water jacket (sink or tub with a level-setting overflow stopper), and an accurate and precise thermometer that is used by hand for fine temperature control. I am considering making my own, but now I use the one at the CC I attend...In fact, it is one of the main reasons I still attend at all! The fishtank heater idea is something I want to explore as well. It can't be all that different from a Jobo heater, but being ignorant of the specifics at this point, I am leery of its ability to provide a constant temp to the degree of precision and accuracy needed.
    Last edited by 2F/2F; 05-28-2009 at 12:57 AM. Click to view previous post history.
    2F/2F

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  8. #8
    stradibarrius's Avatar
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    I watched a You-tube video where a guy used a plastic tub with very hot water to get the temp up , set the three bottles of chemistry in the tube and with a thermometer measured the developer, poured it into the developing tank for the correct amount of time and aggitation, then blix, then fixer. Rinsed and hung to dry.
    It seems just like B&W but with different chemicals, temps & times????
    "Generalizations are made because they are generally true"
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  9. #9

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    I think there should be a sticky or two on this forum with: 1) basic resources explaining the process of beginning color processing, particularly temperature control and various methods for doing so; and 2) sources for buying the chemistry in smaller quantities.

    Especially the latter. I keep seeing references to this in various threads but forget where they are. These, to me, are the two most important questions for beginners and #2 for beginners and advanced who process in smaller amounts.

    Maybe the "alternaive c-41" thread could be a sticky. I'm going to look for it, but at this point, I don't know what it is about.

  10. #10

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    Quote Originally Posted by jglass View Post
    I think there should be a sticky or two on this forum with: 1) basic resources explaining the process of beginning color processing, particularly temperature control and various methods for doing so; and 2) sources for buying the chemistry in smaller quantities...
    Hmmmmm, yes and no. A couple of stickies wouldn't hurt, it would be quite the opposite, but then:

    1) The articles section of the forum is the right place for explaining "the process of beginning color processing". Instead, an FAQ might be something better. Question #1 could be "How do I develop C41" and the answer a link to the article in this forum. It's amazing how many people miss the articles.

    2) No, sources for low volume chemistry can change within short time, so it wouldn't make much sense (IMHO). Think about the geographic location of anyone in this forum as well...

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