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Dumb question time again...

Discussion in 'The Lounge' started by nicxx, Jan 23, 2003.

  1. nicxx

    nicxx Well-Known Member

    ...The only mark is a crack in the focus viewing window, This doesn't effect the lens operation at all...

    What on earth is a focus viewing window? This is a lens. It has no windows! There is the end that attaches to your camera and the end that lets the light in!

    I know I must be really stupid but can someone explain this to me and is it a problem, or could it become a problem?

    Cheers!
    ermx
     
  2. Wilko

    Wilko Well-Known Member

    Hmmm.... not a dumb question if you've never seen one before. On some lenses, AF Nikkors, Canons and presumably others, there is a clear plastic window above the distance scale on the side of the lens (the distance scale being internal). This is intended to keep out dirt, but let you see the scale. If this is what he means then his comment is correct as to the operation, but it is also true that if this window is cracked (depends how badly) then dust and moisture could get in, but it's all relative. It does make you wonder how the crack came about - it suggests the lens may have been dropped or had a fair clout at some time or other. You need to examine the lens yourself before you buy it.

    [​IMG] Wilko FRIPN
     
  3. Benchista

    Benchista Which Tyler

    Erm, what's the context? It wouldn't be a Leica lens, by any chance?

    Nick BSRIPN
     
  4. Benchista

    Benchista Which Tyler

    Ah yes, I bet that's it.

    Nick BSRIPN
     
  5. mikeh

    mikeh Well-Known Member

    And if it is on e bay ---- see my previous thread about E bay transactions!!

    Mike
     
  6. Lounge_Lizard

    Lounge_Lizard Well-Known Member

    Ask yourself the question...

    ...if this small rigid piece of plastic is cracked then only a sharp blow could have cracked it. The lens may appear to work on an initial inspection but there might be something out of alignment. On the other hand, it might function perfectly well for years to come. Buyer beware.

    David
     
  7. nicxx

    nicxx Well-Known Member

  8. nicxx

    nicxx Well-Known Member

    Please, no swearing in the Lounge! L***a indeed!

    ermx
     
  9. nicxx

    nicxx Well-Known Member

    Re: Ask yourself the question...

    I know, I wish eh lived a bit nearer so I could go have a look. Oh well, there'll be another one.

    ermx
     
  10. Benchista

    Benchista Which Tyler

    Get Huw to pop along and take a look - he's nothing better to do!

    Nick BSRIPN
     
  11. Wilko

    Wilko Well-Known Member

    Aha! so it is an AF Nikkor. All I can say is, they're pretty tough and never crack from being taken from a warm room to outside into the cold. It's been dropped or been on the receiving end of a fair old belt.
    That's not to say the lens is knackered - it might be perfectly OK, but for a 'buy now' price of £375 be careful.

    [​IMG] Wilko FRIPN
     
  12. Benchista

    Benchista Which Tyler

    Sorry - thought it might be an academic question about a lens with specs.

    Nick BSRIPN
     
  13. BigWill

    BigWill Gorgeous oversensitive Nikon-loving cream puff

    .......there's no point!

    ........he thinks a Montego is a good car! /img/wwwthreads/smile.gif

    BigWill

    <font color=blue>I'm sailing like a driftwood on a windy bay!<font color=black>
     
  14. Canonball

    Canonball Well-Known Member

    Err...the window is cracked, yet the lens is described as "Perfect" - I don't think so! /img/wwwthreads/frown.gif

    Look for another, Nicxx!

    Geoff
     
  15. Lounge_Lizard

    Lounge_Lizard Well-Known Member

    Fireworks

    I remember somebody trying to sell me fireworks once. They were only a few days old but slightly damaged by fire...
     
  16. Larry Shone

    Larry Shone Well-Known Member

    a lens with specs, bifocals by any chance/img/wwwthreads/wink.gif

    [​IMG]
    CRIPN
     
  17. Done_rundleCams

    Done_rundleCams AP Forum Ambassador to Canada

    Dumb question time again.../nicxx

    ermx,

    If the distance scale window has been cracked, the lens may
    have been dropped or suffered some sort of 'impact damage'
    which may or may not effect the lenses' performance. The
    only way to check this to check the 'zoom' and 'focus' manually.
    This way if you feel any kind of a 'bump' or 'hesitancy' when
    turning the focus ring and/or zoom(be it twist or push-pull) the
    lens might have been impacted. Also, check to see that the lens
    focusses to infinity. Also, you might want to check for 'fungus' in
    the lens by looking through the lens opening (at widest aperture) and
    if you can see 'spider web-like' stuff in the lens elements or crap in
    general that can't be removed by removing the 'protection filter' and/or
    cleaning the front and rear element, then you might have a dodgy lens.

    Hope this helps somewhat.

    /img/wwwthreads/smile.gif

    Jack

    It's amazing what one can do when one doesn't know what one is doing!/img/wwwthreads/wink.gif
     
  18. Done_rundleCams

    Done_rundleCams AP Forum Ambassador to Canada

    Re: .......there's no point!

    "a Montego is a good car"

    Morning Will,

    Well.............they weren't that bad/img/wwwthreads/smile.gif.

    /img/wwwthreads/smile.gif

    Jack

    It's amazing what one can do when one doesn't know what one is doing!/img/wwwthreads/wink.gif
     
  19. BigWill

    BigWill Gorgeous oversensitive Nikon-loving cream puff

    Re: .......there's no point!

    ........oh yes they were! /img/wwwthreads/smile.gif

    Big(I'd rather be seen coming out of a sheep than a montego!)Will

    <font color=blue>I'm sailing like a driftwood on a windy bay!<font color=black>
     
  20. Larry Shone

    Larry Shone Well-Known Member

    Re: .......there's no point!

    oh no they werent

    [​IMG]
    CRIPN
     

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