I have used it for birding hand held and have remarkable results

He said that if people used both the in-body stabilization and the lens VC, they would not get good results

Great results so far

I think there may have been some kind of defect in this particular item, as the results were inconsistent when tested.

Tried it out today on my Nikon D7100 and got good results.

If you buy one of these Tamron super-zooms you will find your own optimal setting to achieve good results.

On my Nikon D7100 I get very good results

For birding, I got good results under good lighting conditions

Great lens, sharp results

Now that I shoot at a higher ISO and a higher Shutter-speed ALL of the time, I get a lot better results on my BiF and my static shots, AND

The results are pretty darn good, but I have to crank up the ISO when overcast (on a bright day you'd probably be using f/8 even on much faster glass).

I use it with my Nikon D7100 and D5200 and am getting very good results when you work within its limitations.

I have only spent a couple of days with this lens thus far, however, my results have been very, very good.

So, don't blame the lens if you get blurry results

Although I haven't done a scientific test, I think you'll probably get sharper results if you shot with a Canon 400mm 4.5L or Canon 100-400mm MKII

I do find better results at 600mm with a carefully used monopod than just handheld.

However it was obvious that I could NOT depend on it to give me decent results in the field if I couldn't get them under ideal, controllable conditions

but to my eyes, the results are very satisfying.

Better results with manual - actually very easy to do while shooting with fast sequence drive .Overall about 1 in 7 pix turned out good, 1 in 20 outstanding (in focus and no motion blur even in flight

Very please with the preformance of the lens, would recommend it, have used it to shot birds and wildlife the results have been super.

but I have had excellent results

I have used this lens manly for bird photography, anything from hummers to ospreys with satisfactory results

I have only used it on one occasion, with excellent results!!

Used a tripod, varied the F stops, used a timer, shot handheld under ideal conditions, and the final results were very disappointing

This lens really reaches out and on a camera with a hi res sensor gets some amazing results

I've only had the lens now for a couple of weeks, and I've used it daily on my hikes and sports assignments with excellent results

Very sharp, clear results.

Good clear exposures with great reach, but sadly the image quality lacked when pixel peeping (it might have just been me or my lens as others seem to have better results).

An issue I have come to understand is a problem with many large zoom lenses is dust inside the lens as a result of air being pulled in while the lens is being extended

Better than any of the cannon "L" lens that I own (I own 3).

I also liked the lock feature at 150mm which is much easier than the lock ring mechanism at the 100-400.I got the chance to take some test shots against my 100-400 and this Tamron was surprisingly sharper than the Canon 100-400mm L in the same settings