So, last week I eagerly awaited the delivery of my shiny new Tamron 17-50 2.8 XR Di lens.
I have been dying to get a decent fast wide angle for ages now. So anyway, the lens arrives as planned, I wack it on the front of my D70s and happily snap away taking some test shots.
With third party lenses such as Tamron and Sigma the quality control can be a bit hit and miss.
So, after the test shots I found the lens to produce awesome clarity, contrast and colours. Excellent! No! After further testing I found that the Tamron struggled to gain proper focus lock using the other focus points other than centre.
The weird thing is, using manual focus