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Thread: Sinar 8x10 backs vs. bag bellows

  1. #1

    Join Date
    Mar 2004
    Location
    San Francisco
    Posts
    628

    Sinar 8x10 backs vs. bag bellows

    I want to convert my 4x5 P into a wide angle 8x10. Sinar retail prices remain otherworldly, so this is strictly a used equipment transaction.

    I see some conversion kits claiming 'metering' backs and some stating 'non-metering'. Also, I see some bag bellows listed with each specifier. In particular, B&H says: "The 8x10 Tapered Bellows is available in two versions: for current meterback (MB) cameras and for the older, non metering frames (Non-MB)."

    So you need a different bellows for an ONMB (Old Non-Metering Back) and a NMB (New Metering Back)? In which case I have to be dang sure that the back and bellows I buy correspond in terms of meteringness? Sheesh, I thought Sinar stuff was supposed to be self-compatible!

    And I still don't understand what a 'frame' is...

  2. #2

    Sinar 8x10 backs vs. bag bellows

    The metering back allows the metering probe to be inserted into the back for taking light readings through the lens at the film plane. This made for a different size frame from the older non-metering back frame. If you dont have the meter (and don't plan to) you don't need the metering back.

  3. #3

    Sinar 8x10 backs vs. bag bellows

    Hi CXC

    I have a nice Norma 8x10 with bagbellows for sale if yhou are interested.
    Give me an email.

    martin

  4. #4

    Join Date
    Feb 2000
    Location
    Reykjavík, Iceland
    Posts
    452

    Sinar 8x10 backs vs. bag bellows

    Have a look at german E-Bay. There are sometimes 8x10" p backs there for quite "earthly" prices.

    http://foto.listings.ebay.de/Kameras-weitere_Grossbildformat_W0QQfromZR4QQsacatZ8277QQsocmdZListingItemList

    Gudmundur Ingolfson

  5. #5

    Join Date
    May 2002
    Location
    nyc
    Posts
    498

    Sinar 8x10 backs vs. bag bellows

    "So you need a different bellows for an ONMB (Old Non-Metering Back) and a NMB (New Metering Back)? In which case I have to be dang sure that the back and bellows I buy correspond in terms of meteringness? Sheesh, I thought Sinar stuff was supposed to be self-compatible!"

    Yes! The metering back is also much heavier than the non-metering back.

  6. #6

    Sinar 8x10 backs vs. bag bellows

    The backs and bellows are also different sizes, so make sure that you get a bag bellows that matches the back you buy.

  7. #7

    Join Date
    Mar 2004
    Location
    San Francisco
    Posts
    628

    Sinar 8x10 backs vs. bag bellows

    Thanks, all, now I will be a reasonably well-informed shopper.

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