Comparison: Sony FE 135mm f/1.8 GM Vs. Sigma 135mm f/1.8 Art Lenses by Tony Northrup

Tony Northrup has compared the new Sony FE 135mm f/1.8 GM lens (B&H Photo/Adorama/Amazon) with Sigma 135mm f/1.8 DG HSM Art lens (B&H Photo/Adorama/Amazon). He thinks both lenses are very sharp lenses, both have great image quality. The Sony FE 135mm f/1.8 GM lens’s AF is a bit better than Sigma 135mm f/1.8 Art lens.