Have the lens now since yesterday and am completely happy with it so far. Had the first Tamron 70-300mm USD in mind, but I am then to Sony changed because me the dimensions and weight of the Tamron have yet deterred some. Because what one already a perhaps somewhat sharper lens if you never or brings rarely has this because it's just so big and heavy. Will the lens now can extensively test the next week in Los Angeles and Las Vegas and will, if at my first impression of any changes extend my review. So far, I could even make very sharp images in low light and could not Recognize vignetting or CA's. Outwardly makes the lens a very siginificant and goes well with my Aplha 57th The autofocus is not the fastest, but personally not bother me, because I for fast moving things fokusiere anyway manually. From the volume of AF I am undemanding I rarely use my camera for filming, the AF also can not find now but really loud -> Standard.
