The Tamron 28-75m has better CA performance than the G Master according to Dustin Abbott, which is surprising and impressive. The Tamron also has a unique macro advantage at 28mm, which the GM can’t match. Of course, Dustin picks the GM as the best overall, but I am not sure I agree with him after watching his extensive testing. It’s well worth watching both parts of his review if you haven’t seen the first part yet, but I simply can’t see myself ever buying the Sony 24-70mm GM anymore especially since I tend to prefer high-quality prime lenses to zooms.
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Tamron 28-75mm f/2.8 Di III RXD FE: B&H Photo / Amazon / Adorama
Sony FE 24-70mm f/2.8 GM: B&H Photo / Amazon / Adorama
