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Alternatives

As mentioned earlier in the review, currently there are not that many choices out there for native Sony NEX mount UWA lenses. If you're shooting m43 cameras, you are lucky - there is a ton of opptions available, but Sony users are stuck with either a rather mediocre Sony E 16/2.8 lens or super-expensive Sony Zeiss 24/1.8 lens. A possible solution is to use an Alpha mount UWA lens like Minolta/Sony AF 20/2.8 with an E-LA1/E-LA2 adapter. Or opt for a fish-eye like Samyang 8mm f/3.5 and use a PTLens distortion correction to fix the fish-eye effect. If you don't mind shooting in a manual mode, then a wide selection of rangefinder lenses like Voigtlander Ultra Wide Heliar 12/5.6 and Voigtlander Wide Heliar 15/4.5, or any of the UWA Nikkor Ai/Ai-S lenses should also be considered.

 

Recommendation

As a new entrant into the NEX market segment, Sigma is certainly doing quite well. Sigma 19/2.8 EX DN is the company's second solid offering (the first one was 30/2.8 EX DN) for this system. While the lens might not offer any bells and whistles and does not carry the premium brand name recognition like Zeiss does, Sigma 19/2.8 does a lot of things right - price, resolution, color are all things that, while not absolutely remarkable, are done right in this lens. As one would expect, the lens is not without its weaknesses - some CA, some distortion, some flare and some vignetting, but all of which can either be corrected for or minimized under right circumstances. Bottom line is that this is a fairly good lens in the rather limited selection UWA market for NEX.

 

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