Sigma 65mm F1.4 DG DN and Sigma 50-135mm f/2.8 DC DN APS-C Patents Found


L

Louis Ferreira

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A Sigma 50-135mm F2.8 DC DN and Sigma 65mm F1.4 DG DN patents were found by asobinet and while most patents do not become lenses the Sigma 50-135mm F2.8 DC DN could be a useful 3rd party 70-200mm full frame equivalent lens to compliment the popular Sigma 18-50mm f/2.8 DC DN Contemporary. Sigma 50-135mm f/2.8 […]

The post Sigma 65mm F1.4 DG DN and Sigma 50-135mm f/2.8 DC DN APS-C Patents Found appeared first on Sony Addict.

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