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Sigma gone bad... - Photography

My Sigma 28-105 lens bit the dust today. Well, maybe it didn't bite the dust, but it certainly broke. In the middle of shooting, it became unable to stop down the aperture *if* the lens was at 70mm or longer. Under 70mm, it works just fine. Above, nothing. If I stop it down and then extend it past 70mm, the aperture is stuck closed (instead of opened), and not even taking the lens off of the camera will release it - until the lens is back down to under 70mm. A call to Sigma's tech support confirmed that the lens ...

  1. #1

    Default Sigma gone bad...


    My Sigma 28-105 lens bit the dust today. Well, maybe it didn't bite the
    dust, but it certainly broke. In the middle of shooting, it became unable
    to stop down the aperture *if* the lens was at 70mm or longer. Under 70mm,
    it works just fine. Above, nothing. If I stop it down and then extend it
    past 70mm, the aperture is stuck closed (instead of opened), and not even
    taking the lens off of the camera will release it - until the lens is back
    down to under 70mm. A call to Sigma's tech support confirmed that the lens
    will have to go in for repair (still under warranty - only a couple of
    months old, with pretty light usage). Estimated repair time 3 weeks, plus
    transit.

    I had planned on avoiding Sigma in the future for other reasons, but I
    guess I found yet another reason today.

    steve


    Steve Guest

  2. #2

    Default Re: Sigma gone bad...


    "Steve Wolfe" <com> wrote in message
    news:net... 

    On occasion I've been tempted by Sigma lenses, but I remember the quote:
    "There is nothing in the world that some man cannot make a little worse and
    sell a little cheaper, and he who considers price only is that man's lawful
    prey." -- John Ruskin



    Steven Guest

  3. #3

    Default Re: Sigma gone bad...

    In article <B0QYd.2667$news.atl.earthlink.net>, Steven
    M. Scharf <net> wrote:
     

    The sting of low quality is remembered long after the sweetness of low
    price is forgotten.
    Randall Guest

  4. #4

    Default Re: Sigma gone bad...


    "Steve Wolfe" <com> wrote in message
    news:net... 
    No body else's lenses ever go wrong do they?


    Paul Guest

  5. #5

    Default Re: Sigma gone bad...

    > > I had planned on avoiding Sigma in the future for other reasons, but I 
    > No body else's lenses ever go wrong do they?[/ref]

    Most certainly not. = )

    steve


    Steve Guest

  6. #6

    Default Re: Sigma gone bad...


    "Paul" <com> wrote in message
    news:d1209q$31h$svr.pol.co.uk... [/ref]
    the [/ref]
    unable [/ref]
    it [/ref]
    even [/ref]
    back [/ref]
    plus 
    > No body else's lenses ever go wrong do they?
    >
    >[/ref]

    Of what I've owned:

    Bronica (3 different) - no
    Praktica (1) - no
    Petri (1) - no
    Zorki (1) - no
    Soligor (1) - no
    Vivitar (1) - no
    Hanimex (1) - no
    Spiratone (1) - no
    Schneider (2) - no
    Nikon (12) - no

    So, I guess lens failures are rare as many of the above are 30 years old (or
    even older) and still working fine. As for your Sigma theory...I'll leave
    that to those who've owned one.


    George Guest

  7. #7

    Default Re: Sigma gone bad...

    Paul (com) wrote... 
    > No body else's lenses ever go wrong do they?[/ref]

    Well...I have a Canon EF 28-70mm f/3.5-4.5. It's more than 10 years
    old, and I've owned it for 5 of those. It works perfectly. I also
    have a Canon EF 35-135mm f/4-5.6 USM. Again, over 10 years old.
    Works perfectly.

    I made the mistake of buying a Sigma 28-300 hyperzoom. At 15 months
    old (and out of warranty), the aperture stuck, in a similar way to
    the OP describing. I must have only put around 5 rolls of film
    through the camera with that lens on.

    I'm going to be *very* wary of buying Sigma again.

    Ian
    --
    Ian Riches
    Bedford, UK
    Ian Guest

  8. #8

    Default Re: Sigma gone bad...


    "George" <com> wrote in message
    news:Sa6Zd.1086$lga... [/ref]
    > the [/ref]
    > unable [/ref]
    > it [/ref]
    > even [/ref]
    > back [/ref]
    > plus 
    >> No body else's lenses ever go wrong do they?
    >>
    >>[/ref]
    >
    > Of what I've owned:
    >
    > Bronica (3 different) - no
    > Praktica (1) - no
    > Petri (1) - no
    > Zorki (1) - no
    > Soligor (1) - no
    > Vivitar (1) - no
    > Hanimex (1) - no
    > Spiratone (1) - no
    > Schneider (2) - no
    > Nikon (12) - no
    >
    > So, I guess lens failures are rare as many of the above are 30 years old
    > (or
    > even older) and still working fine. As for your Sigma theory...I'll leave
    > that to those who've owned one.
    >[/ref]
    Actually of all the many lenses I have owned over the last 30 years I have
    only ever had 4 go faulty.

    1 Bronica, 1 Hasselblad, 1 Canon USM EF and yes 1 Sigma.

    Paul


    Paul Guest

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