Tamron 150-600mm f/6.3

[Kayaker72]

http://it.wyswig.com/2014/01/02/revi...nglish-review/

The website is slow to load, but what I can gather so far is that it is a good lens, but not up to par with the Canon 600 f/4 or Canon 500 f/4 + 1.4xTC.

Which is to be expected considering the price difference. Also, there is still a question as to if the review was a pre-production or production model tested.

[Dave Throgmartin]

http://it.wyswig.com/2014/01/02/revi...nglish-review/
...what I can gather so far is that it is a good lens, but not up to par with the Canon 600 f/4 or Canon 500 f/4 + 1.4xTC.

That's not very shocking...

On another note it is a bit disappointing to see this is a Chinese manufactured lens, that doesn't point to excellent QC. I was very interested in this lens at first, but my interest is fading.

If something seems too good to be true it probably is and $1,000 for a quality 600mm falls into that category. I found a guy who's taken some excellent shots with a Sigma 150-500 and the Tamron is likely to be better than that, but the odds of the Tamron being more valuable than the Canon 400 prime are looking doubtful. The Canon is shorter, but has really good IQ for the length, and top of the line autofocus.

Dave

[neuroanatomist]

http://it.wyswig.com/2014/01/02/revi...nglish-review/

The website is slow to load, but what I can gather so far is that it is a good lens, but not up to par with the Canon 600 f/4 or Canon 500 f/4 + 1.4xTC.

Which is to be expected considering the price difference. Also, there is still a question as to if the review was a pre-production or production model tested.

It was loaned to him by Tamron HK, so even if it was a production lens, there's a good chance it was cherry-picked to provide an excellent copy for review.