Summary: I'm a long time Minolta user and unconditional supporter (since 1971 : 3 SRT 101, 1 XG, 2 Maxuum 9000), and did enjoy a lot the five Sony Cybershot , so when Sony released its Alpha 700, I went for it with a SAL 1680 (SN 3823746),,,, and I did appreciate to be able to use again my 300 mm, macro lens, fish eye etc..., and despite its apparent weak/flimsy construction, I really enjoy also the sharpness of the Zeiss lens......
Pros: Sharpness and apparently a good deal price wise
Summary: I purchased this lens alongwith Sony SLT A55V a few days back. It is an ok lens, but given its price and "Zeiss" label I would have expected much better results. It is neither sharp nor are the colors great nor is the build quality great. It is really a Sony lens, made by Sony with a Zeiss label stuck on it. It would be ok for a $499 price, but at $699 it is a rip-off. I feel Tamron 17-50 is a much better value if someone is not looking for the extra zoom.
Summary: This is a nice lens that covers an attractive zoom range. It is nice and sharp all around with good colour and contrast. A good walk-around lens. But at this price the build is a little embarrassing. The zoom creeps down when only slightly turned downward. Sony should fix this problem.
Pros: Sharp at most settings, nice colour, nice range
Cons: Poor build, zoom creep shouldn't happen for this price!
Sharp optics, but high price, average build and dated design
Mr Baz, Amazon
2 January 2013
Summary: I've owned and used a few of these over the years most recently purchased one last year to add to my A mount collection. There is a lot to like about this lens, released in 2007 just after Sony took over from Minolta this was a much sought after lens copying the Sony R1's focal range onto the Alpha DSLR range. I will kick off with my usual good/bad points list. Pro's: + Very useful 24-120mm equivalent focal range for APS-C bodies.