Sigma 30mm F2.8 EX DN
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Sigma 30mm f/2.8 EX DN Lens Review
By: Jon Tarrant, What Digital Camera (Feb 19, 2013)
Clearly this is a lens of contradictions: it has a poor manual-focusing facility but it has a brisk and reliable AF system that records bitingly sharp images. It is also very well priced, which is an added bonus. There may not be much to play with on Sigma's 30mm DN (Digital Neo) format prime but that simply leaves the photographer undistracted and therefore better able to focus on the...
Review of Sigma 30mm f/2.8 EX DN
By: SLR Gear
You have to hand it to Sigma, they recognize the opportunity in creating lenses for multiple brands, and have found yet another niche to supply lens alternatives in the micro four-thirds and NEX camps. The Sigma 30mm /2.8 EX DN provides an excellent alternative for not a lot of money: optically, it's very good, at least as good as the alternatives in its price range.