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Thread: M240 shutter release threads

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    Senior Member thrice's Avatar
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    M240 shutter release threads

    Hi all,

    Rather than bother someone in Germany, I figured one of the beta testers (or new owners) might know.

    Are the threads on the M240 different to the M9? Reason I ask is that my soft release fit the M9 and M9p very securely but it does not screw in all the way on the M240.

    It could be the loose tolerances on the machining of the soft release so I figured best to ask here

    Cheers,
    Dan

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    Re: M240 shutter release threads

    Yes, the M240, Monochrom and ME have a different pitch to the threads in the cable release. TomA (he has a contributor sub-forum over at RFF) has already addressed this and has manufactured a softie with the new thread pitch. You can also check out his website at rapidwinder.com, if you want to order one.
    Last edited by Cindy Flood; 15th April 2013 at 01:13.
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    Re: M240 shutter release threads

    Yep. I met with Tom A a couple weeks ago and he told me all about them. Seems like the part supplier for the shutter release decided to change the thread but didn't tell anyone.

    So now, no existing cable release will fit the M-240.
    Likes 1 Member(s) liked this post

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    Senior Member thrice's Avatar
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    Re: M240 shutter release threads

    Thanks Cindy and Vickko!

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    Senior Member segedi's Avatar
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    Re: M240 shutter release threads

    Quote Originally Posted by vickko View Post
    So now, no existing cable release will fit the M-240.
    That's strange. I've used my fairly generic cable release with the Monochrom and just tested it on the M 240 and it works just fine. It has a tapered thread.

    My Match Technical Bip on the other hand doesn't work at all.

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    Re: M240 shutter release threads

    As soon as I got my M240, Tom Abrahamsson and I went over to his CNC accomplice's shop and worked out a new Softie.

    The soft releases not only have to screw into the threads, they have to mate solidly and seat fully. The old ones don't do that on the M240 (and most MM's, as far as I know). Cable release threads are not manufactured to a standard, but have been 'making do' for well over a hundred years, so variations exist.

    Out of the 6 cable releases I tried, 4 worked just fine and the others didn't screw in solidly enough to suit me, so I won't use them with this camera.

    I don't think we know exactly why the threads are different, but the 'different subcontractor' theory seems the best one. When Stefan Daniels was asked why the change, he said there was no change and was not aware of the problem at the time.

    Henning

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    Re: M240 shutter release threads

    I guess what we learn is that Beta testers don't use tripods. Something for Leica to address next time perhaps?


    Steve

    P.S. I use a tripod and a cable release

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    Senior Member thrice's Avatar
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    Re: M240 shutter release threads

    I know the reason now, but cannot comment.
    Thanks everyone!

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    Re: M240 shutter release threads

    Quote Originally Posted by thrice View Post
    I know the reason now, but cannot comment.
    Thanks everyone!
    Can you comment on whether this is considered a design decision or a problem that will be fixed when people send the camera for repair?

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    Re: M240 shutter release threads

    I am fairly sure that my brass shutter buttons are actually adaptable into the new threads as they are pitched slightly different already. I am looking into this as we speak and I will have an answer very soon.

    Thanks

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    Re: M240 shutter release threads

    Quote Originally Posted by thrice View Post
    I know the reason now, but cannot comment.
    Thanks everyone!
    That confirms it, its a cock up. Is there going to be a recall?


    Steve

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    Senior Member thrice's Avatar
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    Re: M240 shutter release threads

    It's a design decision.

    Oliver, you can cut the thread on your soft release shorter (cut off 1mm or so) and they will screw in securely. I've already seen new M compatible match technical products and this is what they have done.
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    Re: M240 shutter release threads

    Quote Originally Posted by thrice View Post
    It's a design decision.
    How is the MM different in design compared to the M9P?

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    Re: M240 shutter release threads

    A 'design decision'?

    Perhaps a commercial decision to force people into buying a new over priced Leica cable release, but not a 'design decision'.

    Steve

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    Re: M240 shutter release threads

    Although such posts- "a design decision" and such are utterly useless and in fact annoying, you have to hand it to Daniel. He would make a great salesman. Spin anything and everything.

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    Re: M240 shutter release threads

    I just received my M yesterday and tried out soft releases from:
    China (ebay -- (mini))
    Oliver Lott (brass)
    New design from Tim Abrahamsson

    They all have fairly shallow threads and they all worked fine. So did my two old cable releases. Unless Leica made an on the fly manufacturing change, this seems like a tempest in a teapot.
    Alan

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    Re: M240 shutter release threads

    Quote Originally Posted by thrice View Post
    It's a design decision.

    Oliver, you can cut the thread on your soft release shorter (cut off 1mm or so) and they will screw in securely. I've already seen new M compatible match technical products and this is what they have done.


    Hi I am a new Member so getting a bit confused about cutting 1mm off to fit when the thread pitch is different
    would that not cause damage if you still tried to screw the soft shutter in...if either were of similar hardness it might cause cross threading..
    Anyway why have Leica decided to allow this change and sell
    Thanks for your replies
    Andy

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    Senior Member JohnBrew's Avatar
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    Re: M240 shutter release threads

    I ordered one of the supposedly new design thread pitch softies from Leica Miami and it did not work. I have used softies on all my M's up until this one. I think with my first M (M4) I needed the softie due to the step in the shutter release which seemed to throw me off a bit. Maybe it was just my particular M4 but I got into the habit and kept using them on 5 more successive M's. Anyway now I've gotten used to not having a softie and things are just fine. Go figure.

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