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The partner uses an a77 and has the 16-80 glued onto it, with aperture stuck at f8, except for rare shifts to f11 or wide open for dark interiors.
It's a high impact lens, very colourful and bright, no bokeh monster but lots of detail retention and still capable of subtlety. A lot of serious shooters kept it after the 16-50 was released, despite the 1-2 stops speed diff. Another lens that benefits from the giant strides made by Adobe lately.
The mirror loss is not too much of a hit, Sony are refining the SLT idea, this is of course the NEX7 sensor. I'd say the 16-80 is a good match also for the next gen 24Mp APS-C Sony sensor, due out soon. If they get the noise ceiling up another stop (likely) this will be a fine upgrade, to offset slow lens speed.
SS works very well with the combo also, of a77/16-80, even at the long end. Very nice photos.