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These are preliminary test shots using a pre-production Sony E 2.8/16mm lens and a production-level Sony NEX-5. According to several sources in the net the sample quality among the pre-production lenses is varying considerably. For these test shot I had only a few minutes time, but they were done using a tripod, as well as camera AF. The information given here is preliminary, and a more in-depth review of the E 2.8/16mm and the E 18-55mm kit lens will follow mid-June, when production level samples are available.
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First, as a point of reference, the Minolta AF 2.8/24mm at the 24MP full frame sensor of the Sony Alpha 900.
Center resolution is excellent even at f2.8.
Corners suffer from CAs and low contrast.
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The Sony certainly doesn't look perfect (yet?), but compared tho the much more expensive 24mm full frame lens its corners are quite OK.
Not so the center: Resolution is missing. The lens clearly is de-centered, and has even less resolution power in the other corner ...
Note that the image was taken using AF; careful manual focusing with sensor-preview might have resulted in a better image - however I had access to the NEX-5 just for a few minutes ...
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At f4 the situation has improved considerably; details both in the center as well as in the corner are acceptable - but not really good ...
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Finally, at f8, center resolution is really good, and the corners - apart from CAs - are good as well (remember - it's a superwide lens, not a standard prime!)
(The images at f11 look nearly identical and are not shown here)
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Again, as a point of reference, the Minolta AF 2.8/24mm at f8, using the 24MP Sony Alpha 900 DSLR
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