Image quality test results are now available on the Sony FE 24-50mm F2.8 G Lens page.
Covering a common set of general-purpose focal lengths, this lens has many comparisons available. I'll get you started.
Compared to the Sony FE 24-70mm F2.8 GM II Lens
Compared to the Sigma 28-70mm F2.8 DG DN Contemporary Lens
Compared to the Tamron 28-75mm f/2.8 Di III VXD G2 Lens
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