Lens creep


pey1957 11 32 England
7 Nov 2008 9:06PM
Had a sigma 135-400 lens for about a year and had my monies worth but recently i have noticed that when face my camera downwards the lens goes into free fall i know the lens does creep with gravity but i wondered if there is any way i can tweak it to stop this happening.................

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User_Removed 17 2.8k 11 United Kingdom
7 Nov 2008 9:54PM
Don't face it downwards?
mohikan22 16 2.3k 2 United Kingdom
7 Nov 2008 10:00PM
nah even my NEW 50-500 does it Sad
accystan 15 132 6 Canada
23 Dec 2008 5:10AM
I think Sigma must have copied this feature from Nikon. I understand that when Nikon let Newton go he was hired by Sigma and subsequently integrated the 'self zooming' feature into their lenses. I have a Nikon 18 - 200 VR and it behaves similarly.

Dave D
IanA 16 3.0k 12 England
23 Dec 2008 8:18AM

Quote:if there is any way i can tweak it to stop this happening.................


Yep, use the zoom lock on the newer models!! Wink
Coleslaw 14 13.4k 28 Wales
23 Dec 2008 8:49AM

Quote:Nah even my NEW 50-500 does it

use the zoom lock?
Smile
mohikan22 16 2.3k 2 United Kingdom
23 Dec 2008 9:26AM
yes but then stops u at 500mm or 100mm. AND if like i you use an extender you have teh lock on to stop hitting the extender. so therefore the lock STILL wont stop it creeping.
PeterBoyd 13 3 United Kingdom
25 Mar 2011 4:53PM
The zoom lock is only for transporting the lens. The lens is only lockable at the wide angle end of the zoom, it cannot be locked in an intermediate position.
mikehit 10 8.0k 13 United Kingdom
25 Mar 2011 6:03PM
I used to have a link for a guy who wrapped a wide rubber bad so that it was half over the zoom ring and half on the fixed part of the barrel. You could send the lens for a general service and that may cure it for a short while.

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