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Thread: sinar norma 5x7 back question

  1. #1

    sinar norma 5x7 back question

    Here is a photo of a 5x7 back that has 2 plate holder extensions. the issue is when placed vertically it interferes with the slide lock and it prevents the back from seating into the rear frame properly. I was going to just grind it off but thought there might be something that I don't know and one of you may know... Thanks for any thoughts

    Click image for larger version. 

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  2. #2
    Photographer
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    Re: sinar norma 5x7 back question

    You don’t need the “slide locks” to attach the 5x7 back either horizontally or vertically. There are two “pinch locks” on either side of the back that will lock the back to the frame either vertically or horizontally.
    Keith Pitman

  3. #3

    Join Date
    May 1999
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    550

    Re: sinar norma 5x7 back question

    Mine doesn't have this extensions.
    Yours look to be an older, special purpose design. It should have any benefit.

  4. #4

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    Re: sinar norma 5x7 back question

    Mine:
    Click image for larger version. 

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  5. #5

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    Re: sinar norma 5x7 back question

    Wait... at a first sight, I think it could be a former lifting method for easier holder insertion. If so, it is very convenient to keep it.
    Beware, mine also interfere with the accesory lock in vertical position. Just keep the accessory lock open (it doesn't need to be closed, the back is actually held by the pinch locks Keith mentions). It may look like the tab is in touch with the holder rail but by a micron... it should't interfere at all.

  6. #6

    Re: sinar norma 5x7 back question

    Yes thanks for your help. Even with the slide lock open it still prevents the vertical choice because the back wont seat onto the camera... I have to pinch-lock it in vertically then squeeze the assembly together and then I hear the pinch-lock click into place, but not enough clearance to seat. I think its grinder time!

  7. #7

    Re: sinar norma 5x7 back question

    there was work done on it but with my micrometer with at the exaxct place the untouched one is...

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  8. #8
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    Re: sinar norma 5x7 back question

    I would precede slowly. You cannot reverse removal and could damage a valuable camera forever. Your pix are not clear enough to tell anything, but it sounds like you are not seating the back properly.
    Keith Pitman

  9. #9

    Re: sinar norma 5x7 back question

    solved by simply removing the not needed slide lock!
    Click image for larger version. 

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  10. #10
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    Re: sinar norma 5x7 back question

    Good job!
    Keith Pitman

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