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Thread: Jobo drum for 10 4x5 negatives: how does it load?

  1. #1

    Jobo drum for 10 4x5 negatives: how does it load?

    I have heard about this drum but have never seen one (I currently use the 6-cylinder drums). Does the 10-sheet drum have 10 cylinders? Or does it load 2 sheets in each of 5 cylinders? If the latter, how do you prevent two sheets from accidentally overlapping during development? Do you load from both ends of the cylinder?

    Also, what is the Jobo model number for this drum?

    Is anyone selling one or two of these drums?

    Can the drum designed for 5 8x10 sheets be used for 10 4x5s?

  2. #2
    Moderator
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    Jan 2001
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    Re: Jobo drum for 10 4x5 negatives: how does it load?

    It's the 3010. There are 5 wells, which have little ridges that separate the two sheets in each well. The 3010 is loaded from the top, like the other Expert drums - there's no access from the other end.

    No, you can't safely use the 3005 for 10 4x5's - there's nothing to prevent sheets from moving around and ending up sticking to each other.

    Per Forum guidelines, please post any WTB solicitations in the WTB subforum.

  3. #3

    Join Date
    Feb 2015
    Location
    Sheridan, Colorado
    Posts
    1,639

    Re: Jobo drum for 10 4x5 negatives: how does it load?

    I'm not familiar with JOBO, but with the drums I've seen and used, you have to be very careful with 4x5 film development. The developers are BASE and very slippery. The slightest quick movement will dislodge the film and ruin it.

  4. #4

    Join Date
    Jan 2019
    Posts
    626

    Re: Jobo drum for 10 4x5 negatives: how does it load?

    You only need to search on YouTube….

    https://youtu.be/WXVbdfx1PiU

  5. #5

    Re: Jobo drum for 10 4x5 negatives: how does it load?

    Thanks everyone!

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