ARRRGH HELP! Traveling and my 18-200vr won't focus at length anymore

Discussion in 'Photography Equipment & Products' started by rgower, Sep 1, 2008.

  1. rgower

    rgower TPF Noob!

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    So basically i just popped it out of the bag and everything works fine... up until around 135. It will not focus on long distance subjects. I even tried to focus manually, but it stops just short of focusing. This is the first ever hardware problem i've experienced with photography, and i'm relatively new to the scene. Is this a common problem? Can it be fixed in a few hours at a local camera store? Can i fix it myself? HELLLLP
     
  2. JerryPH

    JerryPH No longer a newbie, moving up!

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    There is nothing that you can do but send it in. Is it still under warranty?

    Are you sure its not a setting on camera or lens? On what camera is it doing this?
     
  3. rgower

    rgower TPF Noob!

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    nikon d300. I'm pretty certain its the lens. It wont focus on long distance objects.... even if i focus as far away as possible manually, it stops just short. So i have to send it in? I'm traveling though.... So i guess just use it as best I can for the next few months and then send it in? The lens in only 2 months old or so so it should be under warranty.
     
  4. Call_me_Tom

    Call_me_Tom TPF Noob!

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    It won't focus or it is soft? I have that lens and although it is handy (I use this lens the most) it is very soft on the long end.
     
  5. epp_b

    epp_b No longer a newbie, moving up!

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    Does the focus not move at all or does it just shift around aimlessly and end up with a soft focus?

    Try pointing it at a bright, detailed object at the long end. Does it still not work?
     
  6. rgower

    rgower TPF Noob!

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    No. Ok. I don't know the technical terms so imagine it this way. I switch to manual and extend the zoom to 200. Then I set the focus really close, so the blur is as blurry as possible i guess. Then, slowly, I start focusing further away. The imagine gets less and less blurry, but just a bit before it seems like it will focus, the focus ring stops turning. Its left out of focus enough that it will not autofocus on 200.... unless I'm using 200 to zoom in extra close to an already nearby object.

    Hope that clarifies the problem.
     
  7. Call_me_Tom

    Call_me_Tom TPF Noob!

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    How close is the subject that you are focusing on from the front of the lens?
     
  8. rgower

    rgower TPF Noob!

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    Call me Tom.... If the subject is close, say 20 feet or closer, I can zoom in full 200 and focus.... However, if the subject is far... for example I was at the top of Notre Dame in Paris today, looking over the city. Off in the distance, there was a motorcylce crash, and a dead body covered up. Call me creepy, but I was curious and tried to zoom in.... at that distance the lens wouldn't focus past 55
     
  9. Call_me_Tom

    Call_me_Tom TPF Noob!

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    I've experienced the issue you described only in low light situations on a D200. I've neither handled nor used a D300 but from the descriptions that I've read on the net I would assume that this would either be a non issue or relatively minute given the high ISO capabilities of the D300. Can you confirm day or night usage when this issue arises?
     
  10. JerryPH

    JerryPH No longer a newbie, moving up!

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    Did you try changing metering or focusing modes? Test it out on different camera settings. I am starting to think it is a user error, not the lens. :)

    I also own a D200 and the 18-200VR lens. It can do this in low light situations and if your camera is set different ways.
     
  11. rgower

    rgower TPF Noob!

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    No. In low light settings the lens won't autofocus, but you can still manually focus it to get a sharp picture of a distant object.

    I can't get it to autofocus on a distant object (maybe 50 meters) at full zoom..... You know how if you focus on a distant object manually, there's that point where it comes in focus and then, if you continue to roll the focus ring, it becomes out of focus? Mine never reaches this point. The ring plain and simply runs out of room.
     
  12. rgower

    rgower TPF Noob!

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    bump

    whats the deal, is this lens busted?
     

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