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Sloppy Sigma 18-125

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    julzt
    julzt  8181 forum posts England
    2 Feb 2007 - 3:48 AM

    Hi

    I have a sigma 18-125 and it performs realatively well.

    Howeve I have a major complaint - the zoom barrel slips in and out really easily. For example if the camera is around my neck the lense will slip out to 125mm within miliseconds.

    Can anyone tell me if this is the deal with this particular lense or is it just my one. If so, can this be recitified??? (is it a professional job or one done by me???)

    Jules

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    cameracat
    cameracat  108578 forum posts Norfolk Island61 Constructive Critique Points
    2 Feb 2007 - 8:04 AM

    This phenomina is called " Zoom Creep ".

    To some extent a relativley new lens should not be affected that much.

    However budget lens do tend to suffer this problem.

    If you feel it is excessive, You could try contacting Sigma by phone, they may offer a fix for that particular model, And it might even be free (except postage)

    Worth a try though, If you want to rid yourself of the problem the only answer is to buy expensive lens.

    IanA
    IanA  103048 forum posts England12 Constructive Critique Points
    2 Feb 2007 - 8:24 AM

    It can be tightened by Sigma. If it creeps when the camera is at 45 degrees, they will do it FOC normally.
    HIH

    Ian

    Kris_Dutson
    2 Feb 2007 - 8:41 AM

    You'll find it has a lock button on the side to stop it doing this. Rather a nifty idea if you ask me.

    Wink

    cameracat
    cameracat  108578 forum posts Norfolk Island61 Constructive Critique Points
    2 Feb 2007 - 12:24 PM


    Quote: You'll find it has a lock button on the side to stop it doing this

    Your probably right, Silly me wuz thinking of the 28 to 135.

    ( Dunce Eh!)

    Vince

    Paulbee
    Paulbee e2 Member 1035 forum postsPaulbee vcard United Kingdom
    2 Feb 2007 - 4:55 PM

    I've also had this problem, never thought to use the lock button. Glad I saw this thread now. (I must be a slow learner).

    sooty 36
    sooty 36  10 United Kingdom
    2 Feb 2007 - 6:01 PM

    I have recently bought the sigma 18-200mm and it has a lock on it. So I`m assuming it`s sigma thing! and to combat it the easy option is to put a lock on it, rather than re-design the mechanism in the barrel, because I have a simlar Tamron lens and that doesn`t suffer with that problem.
    Chris

    julzt
    julzt  8181 forum posts England
    5 Feb 2007 - 12:58 AM

    hi - yes the lock is a great additional. it works great when the lense is at 15mm but doesnt lock the lense at any other distance...! I will contact sigma asap as I think my lense creep is more than other models...
    Thanks for your help.

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