RB67 Dark Slide Question

Discussion in 'Medium Format & Large Format' started by Mike_E, May 13, 2010.

  1. Mike_E

    Mike_E No longer a newbie, moving up!

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    Hi, I bought a pair of 120 backs for my RB67. They both need seals and dark slides but the problem is one is an RB67 and the other is a ProS and both of the backs I currently have are ProS backs.

    My question is, do the RB67 Pro and the RB67 ProS share the same dark slide design? Replacing the light seals isn't a problem but I would like to nail the acquisition of dark slides for them on the first attempt.

    Also, if anyone has any tips on resealing/reconditioning the backs I would be grateful.

    Thanks in advance,

    mike
     
  2. christopher walrath

    christopher walrath No longer a newbie, moving up!

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  3. Mike_E

    Mike_E No longer a newbie, moving up!

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    Thanks Chris. I actually have a smallish piece of stainless of the same gauge and was going to fabricate a pair. I just don't have enough material to make three should I mess one up which is why I was asking. ;)
     
  4. christopher walrath

    christopher walrath No longer a newbie, moving up!

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    How inventive. If it works then you might have a varitable gold mine on your hands. Any idea how many used backs are sold sans slide?
     
  5. Mike_E

    Mike_E No longer a newbie, moving up!

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    ;) Shhhhhhhhh!!
    :lol:
     
  6. christopher walrath

    christopher walrath No longer a newbie, moving up!

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    Wink, wink. Nudge, nudge. Bob's not your uncle.
     
  7. Mike_E

    Mike_E No longer a newbie, moving up!

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    BTW in case anyone else want's to know, the early back's dark-slide doesn't have the cutout slots that are in the ProS.
     
  8. Paul Ron

    Paul Ron TPF Noob!

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    The only difference is a small notch at the bottom of the slide. Compare it to a Pro-S n you'll see what I am talking about.
     
  9. epatsellis

    epatsellis TPF Noob!

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    The only issue with building your own dark slides, besides the notch Paul mentioned, is having to fabricate "fingers" to activate the lock releases. These allow you to remove the back. While you can push the two little tabs, it gets annoying quickly.
     
  10. Paul Ron

    Paul Ron TPF Noob!

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    Oh yeah I forgot about those. But not really needed if you are willing to make your own just to remove backs, who really cares? Push the little tabs and off it goes.

    BTW those tabs once made me crazy. I was firing an RB and it would only fire in certain positions. I'd shoot n shoot, it fine, shoot some more but holing it in certain positions it wouldn't for no matter what I tried. Checked the rev back if it was being rotated slightly or the lens not sitting right and when I put it back up to shoot, dam if it works like magic. I was toutching that tab with th eball of my palm in certain positions so the camera wouldn't fire if it thinks the back has a slide in it. Made me crazy!
     
  11. epatsellis

    epatsellis TPF Noob!

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    I finally added two small phillips screws to my ground glass focusing adapter because it became such a pain to remove. Then again, having an RB 6x7 revolving back on a Toyo is a little nutty, making a lens board (that allows you to cock the lens as well) is down right crazy.
     
  12. Mike_E

    Mike_E No longer a newbie, moving up!

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    So, Erie, did you find the work-up on the RB/Toyo?

    I would still love to see it if you have.

    Thanks,
    mike
     

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