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10-22-2015, 07:57 AM   #1
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Join Date: Nov 2009
Location: Brisbane, Australia
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DA18-250mm locked?

I have an issue with my DA18-250mm. Although the lock switch is NOT on, the lens appears to be locked at 18mm (fully-retracted). I tried several time to switch on/off the Lock switch, I switch off the camera a few times. The lens seems to be locked mechanically because I have the same feel than when the Lock is on.

Has anyone experienced a similar issue with the DA18-250mm/Tamron 18-250mm? In the affirmative, was a solution available?

Thank you in advance.

10-22-2015, 09:24 AM   #2
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I have owned the Tammy 18-250 for a long time (just sold it recently though). Never had that problem though. I did have an issue with the rubber pealing off that caused me to send it to Tamron for repair. I also asked them to tighten the lens to reduce the lens creep. Came back perfect and the lens creep was eliminated. My point here is that something in the lens is adjustable by those who know. To me, your situation suggests that it's in need of repair by Tamron. I would suspect it's a mechanical issue. Just guessing mind you but that's what I'd suspect.
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