Differences?? Sigma 30mm f2.8 DN 'A' compared to Sigma 30mm f/2.8 EX DN

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HornOUBet
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Differences?? Sigma 30mm f2.8 DN 'A' compared to Sigma 30mm f/2.8 EX DN
4 months ago

Anyone know if there are differences between the u4/3 Sigma 30mm f2.8 DN 'A' compared to Sigma 30mm f/2.8 EX DN? Which is better? Are they the same....

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