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Thread: Developing film

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    Ektagraphic's Avatar
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    Developing film

    Hello-
    I am totally new to developing film and I was wondering if once film was put through developer, if the rest of the process could be done in daylight not in the darkrooom. Thanks
    Helping to save analog photography one exposure at a time

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    Valerie's Avatar
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    The film is sensitive to light until it has been fixed.
    "So I am turning over a new leaf but the page is stuck". Diane Arbus

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    Ektagraphic's Avatar
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    Thanks.
    Helping to save analog photography one exposure at a time

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    Leighgion's Avatar
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    This is why daylight developing tanks were invented. You load them in the dark, but then you can do all your chemical changing in the light. Unless of course, you're developing sheet film, which can't do into a tank.

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    Thomas Bertilsson's Avatar
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    Actually, there are sheet film tanks out there. Both for regular daylight hand agitation as well as for motorized roller transports, such as Uniroller. Nikor made stainless steel tanks for 4x5 (and I believe 5x7 also) sheets. You fit up to 12 sheets on a spiral type device.

    Anyhow, the original poster got his question answered - Don't turn on the lights until the film has been fixed.

    - Thomas
    "Often moments come looking for us". - Robert Frank

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    BetterSense's Avatar
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    As long as you have rinsed and/or stopped the development, shouldn't you be able to expose the film to light, even before fixing? After all, you can fix exposed but undeveloped film just fine.
    f/22 and be there.

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    RobertV's Avatar
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    No, the main part of the fix process must be completed.

    A water stop is no stopping of the developing process but it's delayed.

    Sheet film can be done in a 2509N reel (Jobo) and put in a tank so also sheet film can be done in this way.

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    Alex Bishop-Thorpe's Avatar
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    You can do it and the effects wont be immediately apparent, but it's still not good for your negatives.
    The Analogue Laboratory, or 'so you built a darkroom in an old factory in the industrial zone'.
    Blog thing!.

    Worry less. Photograph more.

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    Once the film is in the fix, all is well, you can open the tank. This lets you monitor the clearing time, and hence, the total fix time.

    If you use an acid stop, most likely, opening the tank at the end of the stop would not cause any problem. I use water stop, so I don't bring the film into the light until it's in the fix. Even with a water stop, subdued light would probably be ok, but there isn't much reason to tempt fate, especially when using daylight tanks.

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    Anscojohn's Avatar
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    All I can say about white light on the film before it is in the fix is that ye olde labb ratz who taught me darkroom told me it is never done; and in words that are not suitable for this public forum.
    John, Mount Vernon, Virginia USA

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