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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 20 Jun 2013 (Thursday) 19:25
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What Would You Do?

 
rgs
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Jun 20, 2013 19:25 |  #1

While I was climbing down a canyon wall, my Tamron 70-300 VC fell about 2 or 3 feet from my vest and then rolled and bumped about 20 feet down the canyon wall before coming to rest. The shade seems to have taken most of the impact and everything on the lens functions well. I have checked it optically as well as I can (it seems OK) and done a new MFA on the lens. But there is sand under the focus ring and an obvious grinding when it I use the focus ring. Using auto focus does not cause the grinding. Would you:


  1. Send it to Tamron for inspection and cleaning even though it might cost as much as $300.
  2. Let a local repairman clean the sand out and maybe inspect it knowing that they probably can't get any needed parts. This will likely be much cheaper and take less time.
  3. Live with it as it is. Just avoid manual focus.
  4. Replace it with a new one for about $350 after the rebate.
Just wondering what others would choose. Of course the best course would be to replace it with the Canon 70-300L but that's not a good option now. Other things are needed more.

Canon 7d MkII, Canon 50D, Pentax 67, Canon 30D, Baker Custom 4x5, Canon EF 24-104mm f4, Canon EF 100mm f2.8 Macro, Canon EF-S 10-22mm f/3.5-4.5, 70-300mm f/4-5.6 Di VC

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gasrocks
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Jun 20, 2013 19:40 |  #2

Ask Tamron for an estimate. You might be suprized.


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rgs
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Jun 20, 2013 19:47 |  #3

I have talked to them. Their minimum is $160 but they think it might be more just from the description.


Canon 7d MkII, Canon 50D, Pentax 67, Canon 30D, Baker Custom 4x5, Canon EF 24-104mm f4, Canon EF 100mm f2.8 Macro, Canon EF-S 10-22mm f/3.5-4.5, 70-300mm f/4-5.6 Di VC

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Tommy1957
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Jun 20, 2013 21:24 |  #4

Send it in. Make sure they know to give you a complete estimate BEFORE making the repairs. Be prepared to pay something just to find out you'd rather not fix it. Or, save the money for a 70-300L.




  
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auto-clicker
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Jun 20, 2013 22:04 as a reply to  @ Tommy1957's post |  #5

get a new one but continue abusing this one for wall climbing only :)




  
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kawi_200
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Jun 20, 2013 23:05 |  #6

If you will only spend $350 for a new one, I would skip the repair and buy a new one. Then sell that one to recoup some money. Maybe you can sell it for $150 or even $200...


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philwillmedia
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Jun 20, 2013 23:39 |  #7

There's probably nothing wrong with it.
Take it to the local tech and let him inspect and clean it then keep using it.


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DreDaze
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Jun 21, 2013 00:06 |  #8

i would just use it as is...the grinding will go away eventually....


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Jun 21, 2013 01:54 |  #9

Use a vacuum cleaner.


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Hatallas
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Jun 21, 2013 03:57 |  #10

Go local, depending in how much it cost, have it clean it. And if it doesn't do it for you, sell and buy a new one. Or buy a new one and keep this one for the risky stuff.


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Jun 21, 2013 04:44 |  #11

DreDaze wrote in post #16050499 (external link)
i would just use it as is...the grinding will go away eventually....

That was my thought. If it's not too bad...




  
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lovemyram4x4
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Jun 21, 2013 13:06 |  #12

Assuming the focus ring is all that's actually wrong(limited testing seem to indicate this) I'd try to clean out the focus ring myself with vacuum(from outside) and/or compressed air(to inside). If that did work since that lens is on the cheaper side I might disassemble(not familiar with construction but if it looks easy for me to do so I'd try) or just use as is(if it looks to much effort disassemble).

As mentioned you could probably a buy another and sell yours as is for lens than sending in for clean and inspect.

Since you'd like to eventually upgrade tot he 70-300L IMO the quickest way is do the best you can to what even extent your comfortable to improve the manual focus and use the lens while you continue to save. If nothing goes wrong you didn't spend anything you didn't need to, if somethings does then you can look into one of the other options for repair/replacement or just tighten the belt a bit if your close in the savings for the upgrade.




  
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Numenorean
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Jun 21, 2013 13:11 |  #13

Get a better lens?


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BTNorris
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Jun 21, 2013 14:22 as a reply to  @ Numenorean's post |  #14

For a $350 (new) lens? ... that still takes good photos?

Use it until it dies - which may be a long time. And enjoy having a lens you don't have to baby any more.:)


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