very bad scratchy

Discussion in 'Photography Beginners' Forum' started by salsavin, Nov 3, 2008.

  1. salsavin

    salsavin TPF Noob!

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    Hello
    I'm new to here and i couldn't wait before posting this thread about a puzzling scratch on a nikkor 75 300. i'm attaching pics one overview and another 1 with more details.
    Can any of you specs help me, what is this supposed to be ? How bad ? can i fix it ?
    Either way this doesn't look really good!!

    Thanks a lot
    Vince
    [​IMG]




    [​IMG]
     
  2. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    If its a scratch and not a smear of something (which gentle, but firm cleaning with a microfibre cloth should remove) then I think the only hope is to replace that bit of glass - which is best done by a repair centre.
     
  3. salsavin

    salsavin TPF Noob!

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    thx for the quick answer!
     
  4. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    Yes, first make sure that it in indeed a scratch rather than a smear or smudge. Don't be afraid to clean is with a fair bit of pressure...after all, if it comes off, you are good and if it doesn't, you don't have to worry about ruining it.

    If it's scratched, send or take it into a repair center and ask for a quote.
     
  5. ANDS!

    ANDS! No longer a newbie, moving up!

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    Have you actually used the lens to make sure the scratch/smudge on the front lens element even translates to a captured picture? I would do this before tossing the lens away and putting money down on a new one.
     
  6. salsavin

    salsavin TPF Noob!

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    Well the pictures looked amazing really but since i just got this lens last week i dunno how it affected the quality.
    I should have thought twice really. It wasn't a scratch but some smudge indeed. Cleaned it, it went away but as a reaplacement i got an opaque veil (i use a cleaning kit). doh
    Ok so the next thing was to take the same picture that i took before cleaning and compare both on capturenx2 and guess what. i lost CRITICAL details on shadows and contrast. Definitely don't look the same as before
    i should have leeft this bit of dirt alone. i will never touch a glass ever again!
     
  7. salsavin

    salsavin TPF Noob!

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    anyways thanks a lot for the insights. Ill take the lens to someone i know does the right movements when cleaning a lens since i am obviously messing it up everytime i'm trying!
    vince
     
  8. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    just checking - you used a normal lens cleaning kit to clean the lens and now have a strange layer covering the whole lens surface? Did you use a dry section of microfibre cloth to clean the lens afterwards? That should remove the veil
     
  9. DRoberts

    DRoberts TPF Noob!

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    Buy UV filters to protect your lenses. I put them on mine as soon as they come out of the box. Alot cheaper to replace a filter than a lens.
     
  10. Dubious Drewski

    Dubious Drewski TPF Noob!

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    I have yet to use a filter that doesn't create frustrating lens flares in my images.

    But yes, filters protect your glass, for sure. It just gimps it in the process.
     
  11. DRoberts

    DRoberts TPF Noob!

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    Depends on what kind you are using. Yes, some of the lower $$ filters will create some flare, but the medium to higher end ones are much clearer and will not have any effect on your photos.
     
  12. Ptyler22

    Ptyler22 TPF Noob!

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