Would you purchase this lens with minimal fungus?

Discussion in 'Canon Lenses' started by deggimatt, Aug 8, 2018.

  1. deggimatt

    deggimatt No longer a newbie, moving up!

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    I have to opportunity to purchase this lens with minimal fungus under the front element.
    The lens is a Tamron SP 70-200MM F/2.8 DI VC USD Lens.

    Should I grab it or stay away?

    Here are the pictures:

    [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG] [​IMG]


     
  2. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    From what I understand fungus will never fully go away and will only get worse; however I recall reading that fungus in one lens can spread to others if kept in the same confined space (eg a bag). Which is one reason some avoid fungus infected lenses in general.

    Also your profile says you've already got a 70-200mm f2.8 so what are you hoping from the second lens?
     
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  3. smarty62

    smarty62 TPF Noob!

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    Never ever! Fungus can switch over to other lenses. Just my 2 cents.

    Gesendet von meinem SM-G930F mit Tapatalk
     
  4. weepete

    weepete TPF Supporters Supporting Member

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    unless you have plans to get it cleaned I'd avoid.
     
  5. deggimatt

    deggimatt No longer a newbie, moving up!

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    I just want to invest in a 70-200 2.8 with optical stabilization.
     
  6. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    It would probably be better to keep saving and consider selling your other 70-200mm to help put money toward an upgrade when the time comes.
     
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  7. petrochemist

    petrochemist TPF junkie!

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    Fungus will not switch from lens to lens. Fungal spores are EVERYWHERE. If the lenses are stored in dark & humid conditions some of those spores will grow. Lenses stored together are usually in the same conditions...

    If the fungus is only on the inside of the front element it should be relatively easy to remove - but I wouldn't want to go into the internals of a zoom lens! Leaving the front of the lens exposed to daylight/UV for several days should kill that fungus (but not remove it) if you don't want to open it straight away.

    If I had need of a lens of that focal length & the price was reduced sufficiently I wouldn't be to worried about that bit of fungus. It WILL reduce the amount you can sell the lens for if you later want to change so a discount for it's condition is essential.
     
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  8. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    This.......... [​IMG]
     
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  9. deggimatt

    deggimatt No longer a newbie, moving up!

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    The seller is selling this for $530. I read somewhere that the fungus in this lens might be INSIDE the element. This front element is an assembly of 2 bits of glass, and they look to be glued in a plastic shroud.
     
  10. tirediron

    tirediron Watch the Birdy! Staff Member Supporting Member

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    I would pass.
     
  11. deggimatt

    deggimatt No longer a newbie, moving up!

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    Thank you guys. I have passed on this lens. Feel free to continue this discussion as it might be helpful to other people.
     
  12. john.margetts

    john.margetts No longer a newbie, moving up!

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    While the fungus itself is not a major concern - fungal spores are everywhere - it does say the lens has been stored in poor conditions which will also impact on other aspects such as the in-lens electronics.
     

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