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Thread: Focus Adjustment for Metal Camera

  1. #51
    (Shrek)
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    Mar 2011
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    Montreal
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    Re: Focus Adjustment for Metal Camera

    If nothing else, anyone with a vertical milling machine and an hour or two's time could make you a new piece out of solid aluminum. Which, if it ever bent, could be simply hammered straight. That casting cannot (almost certainly not without breaking it).

  2. #52

    Join Date
    Nov 2007
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    1,135

    Re: Focus Adjustment for Metal Camera

    It would seem to me that the GG frame could be also be milled back to flat and shimmed back to
    the correct distance rather than making a whole new frame.

  3. #53
    jp's Avatar
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    May 2009
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    Maine
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    5,630

    Re: Focus Adjustment for Metal Camera

    Is that a crack in the lower corner or just an imperfection in the red?

    If not, you could build it up with JBweld. Use a depth gauge to straddle the corners and verify glass distance.

  4. #54
    Unwitting Thread Killer Ari's Avatar
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    Re: Focus Adjustment for Metal Camera

    That isn't a crack in the frame; I coloured the affected area in PS, so it may just be an after-effect of my poor drawing skills.

  5. #55
    Unwitting Thread Killer Ari's Avatar
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    Re: Focus Adjustment for Metal Camera

    Just to follow up, I had a local guy measure and fix everything on my KMV.
    I added some Toyo holders and it is now working like a charm; focus is bang-on.
    The back was warped, and he trued it; then measurements were taken, and everything is now aligned.
    I shot some test sheets, and focusing was perfect; just to be on the safe side, I also used a 12x loupe to double-check (it wasn't the problem before, but I left nothing to chance).
    The proof is in the film, so I will hopefully have a few decent shots to post soon.

    Thanks for everyone's help and input.

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