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MF shutter assembly size

Discussion in 'Classic Models & Marques' started by steveandthedogs, Jul 15, 2016.

  1. steveandthedogs

    steveandthedogs Well-Known Member

    Are MF shutter assemblies more or less uniform fitting? That is, the bit which fits onto the bellows.
    In other words, could I fit a working shutter from a dead camera to a working camera with a dead shutter, if they were different makes?

    S
     
  2. AlexMonro

    AlexMonro Old Grand Part Deux

    Hi Steve,

    I believe there are at least two common standard sizes of shutters for MF cameras - which F Deckel (Compur) refer to as "0" and "00". The larger "0" size is used with the longer focal lengths of around 105mm commonly found on 6x9cm format cameras, and also some wide aperture (f/2.9 and wider) 75mm or 80mm lenses on 6x6cm or 6x4.5cm format cameras. The smaller "00" size is generally used with smaller aperture lenses on smaller formats. There are often differences in specifications between the different sizes of the same model of shutter - e.g. the size "0" Compur Rapid has speeds 1s - 1/400s and a delayed action, the "00" size has a top speed of 1/500s and no D/A.

    This is a sweeping generalisation and there are probably exceptions, and hopefully someone else will have the more complete story.

    Still, remember that the main makes of shutter - Deckel (Compur) and Gauthier (Prontor) were used on many different makes of camera often with various lens and shutter options, so it's quite likely that what you want to do is possible. I assume you're talking about swapping the complete lens and shutter assembly - reassembling a lens into another shutter is probably rather trickier.
     
  3. Roger Hicks

    Roger Hicks Well-Known Member

    Dear Steve,

    There are several standard sizes. The piece on my web-site about re-shuttering LF lenses comes at your question from a different angle, but many of the answers you need are there. Most shutters are size 0 or 1; the poisonous little 00 is rather rarer except with slow lenses; or on cheap cameras; or for extreme wide angles.

    So yes, switching shutter assemblies is often quite easy, though you'll have to look out for interlinks (e.g. double exposure prevention, linked cocking). What cameras are you thinking of trying?

    Cheers,

    R.
     
  4. steveandthedogs

    steveandthedogs Well-Known Member

    Thank you gents.

    The ones I'm thinking about are an Agifold body [75mm 6x6] and Ensign 820 [105mm 6x9] shutter assembly. I suspect I would probably have to use a cable release.

    Alex - yes, the whole lot. They are a bit too delicate for a 2lb hammer and 12" adjustable!

    S
     
  5. Roger Hicks

    Roger Hicks Well-Known Member

    Dear Steve,

    How are you going to take care of the different bellows extensions at infinity? And indeed of focusing?

    Cheers,

    R.
     
  6. steveandthedogs

    steveandthedogs Well-Known Member

    Oooooh...

    dear.

    Bang goes another idea!

    Thanks again Roger.

    S
     
  7. Terrywoodenpic

    Terrywoodenpic Well-Known Member

    Both agifold and ensign made their own non standard shutters. So are unlikely to be able to be fitted with each others lens components. However some ensign camers did have other lenses fitted but usually other ross ones.
    the other difficulty with swapping shutters with different lens components is that you have to swap the aperture plate as well.
     

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