The Yongnuo has announced a new lens – YN50mm F1.8S DF DSM for full-frame Sony E-mount cameras. The Sony E mount lens received an optical scheme consisting of 11 elements in 8 groups, with 6 special optical elements. The Sony E mount lens barrel is protected, however, the manufacturer does not specify which one. The Yongnuo YN50mm F1.8S DF DSM …
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