very good! 11 1

Am very satisfied, chromatic aberration and distortion, I can not find.
Always work in RAW and use on the A77 firmware Ver. 1:07

Am also always on the go recently in China and Romanien the lens has put away a lot.
(More trouble me the A77 which is super sensitive to dust and sometimes brings me to despair Personally, I think that the sensor in the A77 can be highly compressed and therefore is very very sensitive power.)

The press has announced the ZA2470 I can not add anything.
I would like to highlight only the incredibly good color rendering and color fidelity I sit still Sony SAL1650 f2.8 SSM and color fidelity when ZA 2470 is significantly better. eg recordings: Sky / Sea are the Sony SAL1650 properly "deep ultra blue" when ZA 2470 the sky and the sea in the original with all gradations remains gray, green blue gray so very Farbtreu

All in all the best "Always top" I've ever had