Problem with Olympus OM-1

Discussion in 'Olympus' started by Nathan Gutman, Jul 31, 2005.

  1. I got from a friend an Olympus OM-1. When I look through the
    viewfinder I can see, in two places, something resembling pieces of
    black fabric sticking out. It obstructs only a very small portion of
    viewfinder so it does not affect composing a shot.
    What is it?
    How to remove it?
    Will it affect a photograph?
    Is there anywhere a site/forum that gets into do-it-yourself camera
    Nathan Gutman, Jul 31, 2005
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  2. Nathan Gutman

    Rowan Malin Guest

    Take a roll of film and have it processed. This will show you if you
    have a real problem.

    It's possible that you have some mold or fungus in the pentaprism. This
    won't affect your photos but, if it's there, it's likely to be in other
    places too. Your best bet is to take it to a camera shop and have a
    Clean, Lubricate and Adjust (CLA). Unless you're an expert, doing it
    yourself will likely cause more harm than good.

    As for good web sites on Olympus cameras, check out:


    (watch out for wrap)


    (Owner of >10 Olympus cameras since 1978...)
    Rowan Malin, Jul 31, 2005
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  3. Nathan Gutman

    Colyn Guest

    You may have deteriating foam working its way into the viewfinder. The
    only way to fix it is to have a repairman dis-mantle the camera and clean
    and replace.
    Colyn, Jul 31, 2005
  4. Nathan Gutman

    Paul Furman Guest

    There is black foam rubber glued on to dampen the mirror flap I guess
    and it crumbles eventually. It's a sticky mess! You should be able to
    see it ly looking inside the lens hole with the lens off.
    Paul Furman, Jul 31, 2005
  5. I shot and developed a roll and it doesn't seem to affect the
    pictures. Is there a simple way to fix it myself?
    Nathan Gutman, Aug 8, 2005
  6. Nathan Gutman

    JD Guest

    You might search the comments of the olympus fiends at
    to see if there is any guidelines there. Given the age of the camera I
    would suggest if you want to keep it you might send it in for a CLA to
    either Clint at Photosphere ( or John at Camtech
    ( You've got another problem in that the OM1 requires a
    mercury battery. You've got a few options there. You can use zinc Wein
    batteries which start going down hill fast when you expose them to air
    to use them. You can use an adapter in the battery compartment or if
    you send the camera to Photosphere or Camtech they can alter the
    metering cicuit to use an alkaline cell.

    JD, Aug 11, 2005
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