Filter on an unused lens.

Discussion in 'Photographic Discussions' started by Alan92RTTT, Aug 10, 2017.

  1. Alan92RTTT

    Alan92RTTT No longer a newbie, moving up!

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    In the prep to sell my D5000, I pulled out my old lenses to check them out. I pulled the lens cap off and found this.

    FYI, Thats a UV filter that I keep on my lenses to keep that from happening to the lens.
    19601037_10211716822129647_2089698588504661759_n.jpg


     
  2. tirediron

    tirediron Watch the Birdy! Staff Member Supporting Member

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    If there was enough of an impact to do that to the filter, I would be very concerned about the mechanics of the lens, in particular the focusing and zoom helicoids, especially if that was a kit lens.
     
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  3. astroNikon

    astroNikon 'ya all Bananas I tell 'ya Supporting Member

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    many filters are very frail,
    whereas the outer element on lens are very thick and sturdy.
    there's youtube videos of someone hammering the outside element of a 50mm canon lens and not scratching it. Versus a filter which just shatters.
     
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  4. KmH

    KmH Helping photographers learn to fish Supporting Member

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  5. Destin

    Destin Been spending a lot of time on here!

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    Agreed. I only put a UV filter on for protection if I'll be shooting in an exceptionally dusty or dirty environment, and then only because i can wipe dirt off of the filter without caring if I scratch it.

    But a UV filter for impact protection is foolish.
     
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  6. Alan92RTTT

    Alan92RTTT No longer a newbie, moving up!

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    As Destin mentions, I just use the filters so I do not have to worry about scratching the glass. (I take a lot of pics at race tracks)

    There was no impact. This happened while the lens was in a bag on a shelf in a cabinet.
     
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  7. dunfly

    dunfly No longer a newbie, moving up!

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    Was there a lens cap on it. When storing lenses, a lens cap is better than a filter and if you have a lens cap on there is not need for a filter.
     
  8. KmH

    KmH Helping photographers learn to fish Supporting Member

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    From post #1.
     
  9. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    The only things that I could think caused that if it was on a desk unused are:

    1) Most likely - someone knocked it off (or even you did yourself) at some point in the past. It might not even have knocked the lens-cap off; but landed with enough force to shatter the filter (as said they are pretty thin so a lot easier to crack than anything on the lens itself).
    IT might also be that something was dropped onto the lens that was able to bump the lenscap in a bit (eg a corner landing on one side of the cap). Enough to, again, shatter the filter glass.

    2) Heat induced damage - really only if you live in a very hot country and if it was sitting in sunlight; even then I've honestly never heard of temperatures causing glass fracturing in optics. Only putting this here on an offchance and such and I don't put it past being possible in some countries with prolonged intense sunlight; but then again I'd expect heat enough to cause that would have started melting the lenscap too.


    Really its likely point 1 - that the lens got dropped even whilst in storage.
     
  10. tirediron

    tirediron Watch the Birdy! Staff Member Supporting Member

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    Pull the other one, it's got bells on!
     
  11. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    I'm not going to say it was aliens..... but.......


    It was aliens.
     
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  12. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    I was going to say aliens, but the voices in my head told me not too.
     

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