Reviews and Problems with Tamron 18-200mm f/3.5-6.3 Di III VC
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Great in Combination with Sony A6000
S. Cadet "SebC", Amazon
14 January 2015
Summary: So far so good. Coupled with Sony A6000. PROs Own this zoom for about 1 month. Does perform well. Cannot judge of how fast it is, but compared to my former 18-250 Sigma (for my Sony A57), it seems better. Sharp focus. Good stabilization at max magnification. CONs It is heavy, but not as heavy as two zooms to cover the range of this one.
Summary: I have no comments about the quality of the images, but I found the weight of the lens to be very awkward and, for me, unusable with my small, light Sony a6000. I returned the lens (thank you, Amazon). Others have found it usable with small cameras; I guess it is just a matter of taste.
Excerpt: I bought this hoping to replace my canon 70-200 f/4L lens. Great for my wife and as an all around lens but if you expect great telephoto pictures don't waste time on this lens. Simply not sharp and very poor results.
Summary: I will classify it as an OK lens. It costs $720-740 It is not for a super good shots. I bought it for my Sony alpha 7R camera. The lens at 200 mm give soft edges of shots. Sony 55-200 mm lens produce a perfect result compared to this one. at 18 mm-100 mm range, you do not get soft edges. Because of soft edges at 200 mm, I gave it 2 stars. If you are into a serious wild life or distant objects photography, it is not the lens for you.
Summary: This lens works great for all general purpose pics. With one kid in sports and another learning how to walk, I needed a good lens that could take telephoto shots while also allowing me to take portraits and close ups with having to change lenses all the time. This lens does just that. It is a little bigger than the stock lens, but it appears to be a slightly bit smaller than the Sony 18-200mm lens.
Summary: Overall, great lens. The limited/slow f stop could be better. f3.6 at 18mm and f6.3 at 200mm. This makes it primarily a day-time lens, however... Image stabilization is the best of the NEX lenses. It's almost sticky-like. Why is this not talked about more!? You can move the camera around and watch it, it doesn't move or barely moves. This is much better than the Sony NEX OSS lenses (in terms of image stabilization).
Summary: I actually ordered this for my Sony A7 full frame knowing that I could use it in the APS-C mode. All functions work properly and it's a nice lens. I find it a bit soft at the telephoto end, even stopped down, and I've noticed that focus is slow (or doesn't work) in low or even dim light. It also seems to indicate that it got a focus lock at distances just inside the minimum focusing distance, meaning you think you got focus but you really didn't.
Summary: I tried to register this lens on the Tamron USA site and got an error code w/ the serial code provided on a piece of paper. No serial code was on the lens itself. No paperwork came with the lens. No booklet etc. The seller (D-Solution) claimed I could not get the six year warranty from Tamron because it was a grey market lens from Korea. He suggested I buy a year of expensive drop and break insurance from him.
Summary: The quality of the pictures are the same as the Sony lenses. Reason for the 5 stars is that you can carry a single lens to cover the 18-200mm range. Decently weighted to give you a solid feel. Unlike Sony lenses, when zooming the lend had a very rough feel to it. Could be a con for dinner people. Compared to the Sony kit lens (18-50 mm), when switching on the camera, the camera takes a slightly longer time to start up.