Third party lenses, quality and reputation?
Third party lenses, quality and reputation? We all know the famous Canon L-line and Nikon Z, all top specs and you know you'll get the best of the best. However there are also third party lenses which offer similar glass but with a much lower build quality of lack of stabilisation or weather sealing. How does Samyang, Sigma and Tamron flagships compare with each other?
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