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    #11
    Senior Member DDirector's Avatar
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    Quote Originally Posted by Michael Carter View Post
    Well, a second of searching shows two youtube videos for disassembling that lens and a page of hits, so it's been done before.
    I've looked. Have not seen any
    Michael Frymus
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    #12
    Mod v2.0 Noel Evans's Avatar
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    w: Noel Evans TV

    e: noel@noelevans.tv
    p: +61 (0) 408 455 374


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    #13
    Senior Member Michael Carter's Avatar
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    Quote Originally Posted by DDirector View Post
    I've looked. Have not seen any
    Well, on this thing they call "google"...

    https://www.youtube.com/watch?v=PCNNtyEO9vY

    https://www.youtube.com/watch?v=tOZRN2mxajk

    http://www.instructables.com/id/Repa...-f28-Dropped-/

    https://www.youtube.com/watch?v=SZxN4v4m6Ts

    That took 30 seconds. Believe me, there's more...


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    #14
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    Quote Originally Posted by Michael Carter View Post

    No.
    You dont understand.
    I already mentioned this in the posts above. I have ALREADY taken the front glass element of my lens before and cleaned it. That is not the problem.
    The dust is not behind the first piece of glass. Its behind the other pieces, deeper in the lens, where I cannot get into it.
    Michael Frymus
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    #15
    Senior Member Michael Carter's Avatar
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    Ahh, so you want to disassemble a main element group?

    I've discussed this on APUG as I want to make an uncoated lens with silver interior. The folks there say those are threaded pieces that have glue in the threads. So you have to heat the thing up in the oven. Sometimes you have to drill pairs of holes and get a lens spanner involved.

    They also pretty universally say that it takes a hell of a lot of dust to mess with your image (though I want to break into an element group for more esoteric reasons than dust!)


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    #16
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    I am a curious person and tried disassembling many lenses over the years, and my advice is, Don't try to get inside yourself, that's throwing 900$ away. Either send it to Canon or use it as it is, playing with the internal elements will probably make it unusable.


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