Lumix 25mm f1.4 vs 20mm f1.7: Micro Four Thirds Talk Forum: Digital Photography Review

Lumix 25mm f1.4 vs 20mm f1.7 Oct 21, 2013 Hi, I own a OMD EM5 and have been using the Pana 20mm f1.4 and have been pleased with the image quality, but a bit saddened by the slow autofocus speed ...

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