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Tamron 17-50 loose zoom ring

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jenik.nk View Drop Down
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Post Options Post Options   Quote jenik.nk Quote  Post ReplyReply Direct Link To This Post Topic: Tamron 17-50 loose zoom ring
    Posted: 06 July 2021 at 20:42
Hello everybody,
loose zoom ring is probably not an exceptional issue on Tamron 17-50/2.8. I haven't found any thread concerning this here (maybe I'm not the best at searching at Dyxum).

My Tamron 17-50/2.8 has a loose zoom ring. It works, but I feel it's not good and I stopped using it some time ago.

Does anybody here have experience fixing it? Is this a correct way to repair it? - https://www.youtube.com/watch?v=h2WQLLh6M1A If so, is it difficult?

Or can you recommend me anything else (including having it repaired by a professional)?

Thank you for any input.

Jan
α37 - Tamron 17-50 - Min 28-105, 35-105 (O), 35-70/4, Beercan, 135/2.8; Sony 50/1.4 - Σ EF-500 DG SUPER
 



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skm.sa100 View Drop Down
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Post Options Post Options   Quote skm.sa100 Quote  Post ReplyReply Direct Link To This Post Posted: 09 July 2021 at 21:52
My 17-50/2.8 broke after a few years of use. Zoom ring broke and the lens was stuck at a particular FL. But I'd bought it used and the cost of a repair wasn't worth it and I just got a Sony 16-50/2.8 instead.

I'd say at this point it might not make financial sense to try and get it fixed. I'm not sure about Czech Republic but here in the US the repair costs would easily exceed the current value of the lens - even assuming you could find any parts needed.

If you anyway stopped using it, you might as well try to take it apart and see if you can fix it yourself. If something inside is broken, though, finding parts might be a challenge so you might have to try to find another broken one for parts.
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jenik.nk View Drop Down
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Post Options Post Options   Quote jenik.nk Quote  Post ReplyReply Direct Link To This Post Posted: 10 July 2021 at 09:44
Thanks for your answer. I'll definitely consider it.

Any other thoughts?
α37 - Tamron 17-50 - Min 28-105, 35-105 (O), 35-70/4, Beercan, 135/2.8; Sony 50/1.4 - Σ EF-500 DG SUPER
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Post Options Post Options   Quote LAbernethy Quote  Post ReplyReply Direct Link To This Post Posted: 10 July 2021 at 11:47
Originally posted by skm.sa100 skm.sa100 wrote:



I'd say at this point it might not make financial sense to try and get it fixed. I'm not sure about Czech Republic but here in the US the repair costs would easily exceed the current value of the lens - even assuming you could find any parts needed.

If you anyway stopped using it, you might as well try to take it apart and see if you can fix it yourself. If something inside is broken, though, finding parts might be a challenge so you might have to try to find another broken one for parts.

I will have to agree. If you like the lens, put a shout out as a WTB item. My Tamron AF 17-50mm F2.8 (A16) in excellent condition, seen little use and would be willing to part with it. Maybe some one in the EU has one tucked away and ready to supply.
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jenik.nk View Drop Down
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Post Options Post Options   Quote jenik.nk Quote  Post ReplyReply Direct Link To This Post Posted: 12 July 2021 at 19:50
Thanks for your input. It helped me. Following your instructions I decided the lens was "dead" and thanks to the idea of buying a new (used) one I could afford to try to repair the one I own.

I even had to use a drill because I wasn't able to move the very last screw I needed to remove. I destroyed it, the lens should be able to "live" without it.

The zoom ring is not loose anymore, it was easy to correct it - just one screw (but it was difficult to reach it).

After some two hours of playing with the lens I managed to assemble it and everything seems to work. AF works and is accurate wide open, the aperture opens and closes and the camera displays focal lenght, aperture value.

I hope it will last.

Thank you for the motivation. Although it was indirect.
α37 - Tamron 17-50 - Min 28-105, 35-105 (O), 35-70/4, Beercan, 135/2.8; Sony 50/1.4 - Σ EF-500 DG SUPER
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skm.sa100 View Drop Down
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Post Options Post Options   Quote skm.sa100 Quote  Post ReplyReply Direct Link To This Post Posted: 13 July 2021 at 17:19
That's nice. Hopefully it'll last a few more years.
Good job with the repair work!

If you took pictures of what needed to be fixed it might help someone in future.
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