Reviews and Problems with Tamron AF 18-270mm f/3.5-6.3 Di II VC LD Aspherical (IF) MACRO
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Adorama could not get it right.
Mr. Nice, Adorama
25 June 2014
Excerpt: I ordered a Tamron lens for my Canon camera and got one that fit a Nikon. I returned it and specifically said I needed a Canon fit. Number 2 lens came and it was for a Nikon. I was a little upset when the 2nd lens came. I have sent it back and this time I have asked for my money to be returned. I can only hope!
Tamron decline to update my firmware - my lens will not work on my Canon 70D
23 May 2014
Summary: I just bought a canon 70D body and i love it. It works great with my sigma lens. But my Tamron lens 18-270MM F/3.5-6.3 Di II VC PZD lens didn't work with the body. While filming video the camera shuts down and say "Ensure a lens is attached". I contact Tamron regarding this issue. They told me that it needs a firmware update and that i should send my lens with proof of purchase.
Summary: DO NOT BUY THIS LENS OR ANY PRODUCT FROM THIS COMPANY I made the mistake of buying two lenses from Tamron. While the both lenses were good when they're working, it's the "Warranty" that's a sham. After owning the B005 (f/2.8 zoom that's made by Tamron) for 2 years, the Autofocus suddenly got stuck. We send it in for warranty service and within minutes of them receiving the item (according to delivery confirmation), they want to charge us $400 to repair the $550 lens.
Summary: I bought this lens over a year ago, and I just sent it into repair for the second time during this time. It stops auto focusing at the long telephoto range, and the other auto focus is very slow and many times it does not work. I have asked Tamron to replace the lens with a new one, and maybe the new one will not have this problem. Otherwise the lens is great, but it should not stop auto focusing this way. Either poor manufacturing quality, or a poor design.
Excerpt: This was an all-in-one, walkaround lens replacement for a dropped Nikon 18-55. It usually covers the 18-55 range OK, but telephoto shots are generally poor, as the lens doesn't focus well at the long end of the range, and action shots are poor, because it doesn't focus quickly enough, and low-light shots of any range tend to be poor because it has problems focusing in low light.
Excerpt: I was shocked to find this more expensive lens was not of the same quality as Tamron's 70-300, i.e., people with thick fingers will find the zoom ring very difficult to use. At 270 the result is no where near sharp enough to warrant the price, and vignetting was terrible, so I returned the lens.
Summary: I purchased this lens six months ago and used it moderately. A month ago it stopped auto-focusing and I sent it back to Tamron for warranty repair. They informed me that it was damaged and would cost $400 (!) to repair. Upon questioning they dropped the price to $260. I want to be clear that this lens was never dropped or abused. Tamron tells me that the damage can occur if the lens is left on the camera (!).
Excerpt: I returned this lens shorthly after I tried it. I had another Tamron lens where I experienced lens creep. I returned the old lens under warranty at least 2, but I think 3 times and Tamron fixed it so I give them kudos for that. I read some other review which said that the 18-270 suffered from lens creep. In my case, it was more like lens slide.
Excerpt: I recieved the first lens and the focus ring would 'rachet' and catch. I sent it back and the second lens could not 'hold' once it focused, so things were blurry. I have two friends who have an older version of this lens and like it. Not for me. Spend your money on a different lens.