Soligor 80-200mm lens problems.....

Discussion in '35mm Cameras' started by Joe, Jan 22, 2004.

  1. Joe

    Joe Guest

    I recently bought this lens along with a Praktica MTL5. The zoom
    action is very stiff and nearly impossible to get in to macro. It
    makes a "grating" noise when I move the ring on to macro. I checked
    for dents and used a little light oil to try and free it up but I
    don't think that will help. Does anyone know what I could do?

    Thanks
     
    Joe, Jan 22, 2004
    #1
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  2. The only thing I can suggest (at your own risk) is to try to dismantle the
    front part of the lens to get at the focusing threads. A grating noise could
    mean that there's something stuck in there, or maybe it's just got tight
    with age. If it's a one-touch zoom, you'll probably have to remove the
    rubber grip. There's usually a group of three tiny screws accessible through
    the focusing ring which hold the front element in place. Over-tightening
    those will stiffen up the focus action, so you could try slackening them off
    and then re-tightening them back up again. If you end up taking the front
    element off (you'll probably have to remove the infinity stop and then
    unscrew it out of the main body of the lens), then make sure you note the
    exact positions of everything when it comes apart. The front element has
    multiple threads and if you put it back along the wrong threads, there's a
    chance that it might not focus to infinity anymore - but it depends on the
    design of the lens as to whether it's an issue. I think on most one-touch
    zooms, it is a bit of a problem though.
    Be warned though - doing anything like this could leave you with a load of
    bits that you can't get back together ;)

    HTH,

    Chris.
     
    Chris Barnard, Jan 22, 2004
    #2
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  3. Joe

    The Wogster Guest

    It needs a CLA (clean, lube, adjust), this should be done by a
    professional, considering that the lens is probably worth less then $150
    in perfect condition, you need to decide whether it's worth spend $100 on
    to get it looked at. The other option, is to look for another one, and
    then either junk the one you have, or, if your mechanically inclined, do
    some attempts at fixing it.....

    W
     
    The Wogster, Jan 22, 2004
    #3
  4. Joe

    Joe Guest


    Well, I took it apart (cautiously) which is something ive never done
    before. It turns out it had a dent in the focusing ring. I got an old
    piece of exhaust pipe and lightly tapped the dent out, gave the lenses
    a clean and applied some light oil. It works fine now which is great,
    I was quite proud with myself considering this is my first SLR and I
    hadn't got a clue what I was doing!:)

    Joe
     
    Joe, Jan 27, 2004
    #4
  5. Well done Joe! Hope you were very careful with the lens glass. Newer lenses
    often have a lot more plastic parts and don't require any lubrication, but
    those old metal ones do.

    Chris.
     
    Chris Barnard, Jan 27, 2004
    #5
  6. Joe

    Michael Guest

    Well done.

    I have an exhaust pipe with a dent in it on an old car.

    Is the reverse true, can I use one of my new lenses to tap
    the dent out?

    Michael.....
     
    Michael, Jan 28, 2004
    #6
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